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e122039c99
Specifically, when the Unicode flag is set, use Unicode-aware case folding to case-insensitively compare code points.
1177 lines
50 KiB
C++
1177 lines
50 KiB
C++
/*
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* Copyright (c) 2020, Emanuel Sprung <emanuel.sprung@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h> // import first, to prevent warning of VERIFY* redefinition
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#include <AK/Debug.h>
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#include <AK/StringBuilder.h>
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#include <AK/Tuple.h>
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#include <LibRegex/Regex.h>
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#include <LibRegex/RegexDebug.h>
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#include <LibRegex/RegexMatcher.h>
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#include <stdio.h>
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static ECMAScriptOptions match_test_api_options(ECMAScriptOptions const options)
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{
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return options;
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}
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static PosixOptions match_test_api_options(PosixOptions const options)
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{
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return options;
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}
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template<typename... Flags>
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static constexpr ECMAScriptFlags combine_flags(Flags&&... flags)
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requires((IsSame<Flags, ECMAScriptFlags> && ...))
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{
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return static_cast<ECMAScriptFlags>((static_cast<regex::FlagsUnderlyingType>(flags) | ...));
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}
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TEST_CASE(regex_options_ecmascript)
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{
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ECMAScriptOptions eo;
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eo |= ECMAScriptFlags::Global;
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Global));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Insensitive));
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eo = match_test_api_options(ECMAScriptFlags::Global | ECMAScriptFlags::Insensitive | ECMAScriptFlags::Sticky);
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Global));
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Insensitive));
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Sticky));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Unicode));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Multiline));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::SingleLine));
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eo &= ECMAScriptFlags::Insensitive;
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Global));
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Insensitive));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Multiline));
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eo &= ECMAScriptFlags::Sticky;
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Global));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Insensitive));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Multiline));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Sticky));
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eo = ~ECMAScriptFlags::Insensitive;
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Global));
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EXPECT(!eo.has_flag_set(ECMAScriptFlags::Insensitive));
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Multiline));
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EXPECT(eo.has_flag_set(ECMAScriptFlags::Sticky));
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}
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TEST_CASE(regex_options_posix)
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{
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PosixOptions eo;
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eo |= PosixFlags::Global;
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EXPECT(eo.has_flag_set(PosixFlags::Global));
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EXPECT(!eo.has_flag_set(PosixFlags::Insensitive));
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eo = match_test_api_options(PosixFlags::Global | PosixFlags::Insensitive | PosixFlags::MatchNotBeginOfLine);
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EXPECT(eo.has_flag_set(PosixFlags::Global));
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EXPECT(eo.has_flag_set(PosixFlags::Insensitive));
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EXPECT(eo.has_flag_set(PosixFlags::MatchNotBeginOfLine));
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EXPECT(!eo.has_flag_set(PosixFlags::Unicode));
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EXPECT(!eo.has_flag_set(PosixFlags::Multiline));
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eo &= PosixFlags::Insensitive;
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EXPECT(!eo.has_flag_set(PosixFlags::Global));
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EXPECT(eo.has_flag_set(PosixFlags::Insensitive));
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EXPECT(!eo.has_flag_set(PosixFlags::Multiline));
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eo &= PosixFlags::MatchNotBeginOfLine;
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EXPECT(!eo.has_flag_set(PosixFlags::Global));
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EXPECT(!eo.has_flag_set(PosixFlags::Insensitive));
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EXPECT(!eo.has_flag_set(PosixFlags::Multiline));
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eo = ~PosixFlags::Insensitive;
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EXPECT(eo.has_flag_set(PosixFlags::Global));
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EXPECT(!eo.has_flag_set(PosixFlags::Insensitive));
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EXPECT(eo.has_flag_set(PosixFlags::Multiline));
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}
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TEST_CASE(regex_lexer)
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{
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Lexer l("/[.*+?^${}()|[\\]\\\\]/g"sv);
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EXPECT(l.next().type() == regex::TokenType::Slash);
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EXPECT(l.next().type() == regex::TokenType::LeftBracket);
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EXPECT(l.next().type() == regex::TokenType::Period);
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EXPECT(l.next().type() == regex::TokenType::Asterisk);
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EXPECT(l.next().type() == regex::TokenType::Plus);
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EXPECT(l.next().type() == regex::TokenType::Questionmark);
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EXPECT(l.next().type() == regex::TokenType::Circumflex);
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EXPECT(l.next().type() == regex::TokenType::Dollar);
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EXPECT(l.next().type() == regex::TokenType::LeftCurly);
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EXPECT(l.next().type() == regex::TokenType::RightCurly);
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EXPECT(l.next().type() == regex::TokenType::LeftParen);
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EXPECT(l.next().type() == regex::TokenType::RightParen);
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EXPECT(l.next().type() == regex::TokenType::Pipe);
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EXPECT(l.next().type() == regex::TokenType::LeftBracket);
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EXPECT(l.next().type() == regex::TokenType::EscapeSequence);
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EXPECT(l.next().type() == regex::TokenType::EscapeSequence);
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EXPECT(l.next().type() == regex::TokenType::RightBracket);
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EXPECT(l.next().type() == regex::TokenType::Slash);
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EXPECT(l.next().type() == regex::TokenType::Char);
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}
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TEST_CASE(parser_error_parens)
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{
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DeprecatedString pattern = "test()test";
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Lexer l(pattern);
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PosixExtendedParser p(l);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::EmptySubExpression);
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}
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TEST_CASE(parser_error_special_characters_used_at_wrong_place)
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{
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DeprecatedString pattern;
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Vector<char, 5> chars = { '*', '+', '?', '{' };
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StringBuilder b;
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Lexer l;
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PosixExtended p(l);
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for (auto& ch : chars) {
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// First in ere
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b.clear();
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b.append(ch);
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pattern = b.to_deprecated_string();
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l.set_source(pattern);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::InvalidRepetitionMarker);
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// After vertical line
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b.clear();
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b.append("a|"sv);
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b.append(ch);
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pattern = b.to_deprecated_string();
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l.set_source(pattern);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::InvalidRepetitionMarker);
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// After circumflex
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b.clear();
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b.append('^');
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b.append(ch);
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pattern = b.to_deprecated_string();
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l.set_source(pattern);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::InvalidRepetitionMarker);
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// After dollar
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b.clear();
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b.append('$');
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b.append(ch);
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pattern = b.to_deprecated_string();
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l.set_source(pattern);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::InvalidRepetitionMarker);
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// After left parens
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b.clear();
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b.append('(');
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b.append(ch);
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b.append(')');
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pattern = b.to_deprecated_string();
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l.set_source(pattern);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::InvalidRepetitionMarker);
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}
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}
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TEST_CASE(parser_error_vertical_line_used_at_wrong_place)
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{
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Lexer l;
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PosixExtended p(l);
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// First in ere
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l.set_source("|asdf"sv);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::EmptySubExpression);
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// Last in ere
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l.set_source("asdf|"sv);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::EmptySubExpression);
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// After left parens
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l.set_source("(|asdf)"sv);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::EmptySubExpression);
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// Proceed right parens
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l.set_source("(asdf)|"sv);
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p.parse();
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EXPECT(p.has_error());
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EXPECT(p.error() == regex::Error::EmptySubExpression);
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}
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TEST_CASE(catch_all_first)
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{
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Regex<PosixExtended> re("^.*$");
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RegexResult m;
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re.match("Hello World"sv, m);
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EXPECT(m.count == 1);
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EXPECT(re.match("Hello World"sv, m));
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}
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TEST_CASE(catch_all)
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{
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Regex<PosixExtended> re("^.*$", PosixFlags::Global);
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EXPECT(re.has_match("Hello World"sv));
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EXPECT(re.match("Hello World"sv).success);
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EXPECT(re.match("Hello World"sv).count == 1);
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EXPECT(has_match("Hello World"sv, re));
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auto res = match("Hello World"sv, re);
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EXPECT(res.success);
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EXPECT(res.count == 1);
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EXPECT(res.matches.size() == 1);
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EXPECT(res.matches.first().view == "Hello World");
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}
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TEST_CASE(catch_all_again)
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{
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Regex<PosixExtended> re("^.*$", PosixFlags::Extra);
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EXPECT_EQ(has_match("Hello World"sv, re), true);
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}
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TEST_CASE(char_utf8)
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{
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Regex<PosixExtended> re("😀");
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RegexResult result;
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EXPECT_EQ((result = match(Utf8View { "Привет, мир! 😀 γειά σου κόσμος 😀 こんにちは世界"sv }, re, PosixFlags::Global)).success, true);
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EXPECT_EQ(result.count, 2u);
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}
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TEST_CASE(catch_all_newline)
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{
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Regex<PosixExtended> re("^.*$", PosixFlags::Multiline | PosixFlags::StringCopyMatches);
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RegexResult result;
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auto lambda = [&result, &re]() {
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DeprecatedString aaa = "Hello World\nTest\n1234\n";
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result = match(aaa, re);
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EXPECT_EQ(result.success, true);
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};
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lambda();
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EXPECT_EQ(result.count, 3u);
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EXPECT_EQ(result.matches.at(0).view, "Hello World");
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EXPECT_EQ(result.matches.at(1).view, "Test");
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EXPECT_EQ(result.matches.at(2).view, "1234");
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}
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TEST_CASE(catch_all_newline_view)
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{
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Regex<PosixExtended> re("^.*$", PosixFlags::Multiline);
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RegexResult result;
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DeprecatedString aaa = "Hello World\nTest\n1234\n";
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result = match(aaa, re);
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EXPECT_EQ(result.success, true);
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EXPECT_EQ(result.count, 3u);
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DeprecatedString str = "Hello World";
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EXPECT_EQ(result.matches.at(0).view, str.view());
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EXPECT_EQ(result.matches.at(1).view, "Test");
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EXPECT_EQ(result.matches.at(2).view, "1234");
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}
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TEST_CASE(catch_all_newline_2)
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{
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Regex<PosixExtended> re("^.*$");
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RegexResult result;
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result = match("Hello World\nTest\n1234\n"sv, re, PosixFlags::Multiline | PosixFlags::StringCopyMatches);
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EXPECT_EQ(result.success, true);
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EXPECT_EQ(result.count, 3u);
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EXPECT_EQ(result.matches.at(0).view, "Hello World");
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EXPECT_EQ(result.matches.at(1).view, "Test");
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EXPECT_EQ(result.matches.at(2).view, "1234");
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result = match("Hello World\nTest\n1234\n"sv, re);
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EXPECT_EQ(result.success, true);
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EXPECT_EQ(result.count, 1u);
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EXPECT_EQ(result.matches.at(0).view, "Hello World\nTest\n1234\n");
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}
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TEST_CASE(match_all_character_class)
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{
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Regex<PosixExtended> re("[[:alpha:]]");
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DeprecatedString str = "[Window]\nOpacity=255\nAudibleBeep=0\n";
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RegexResult result = match(str, re, PosixFlags::Global | PosixFlags::StringCopyMatches);
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EXPECT_EQ(result.success, true);
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EXPECT_EQ(result.count, 24u);
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EXPECT_EQ(result.matches.at(0).view, "W");
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EXPECT_EQ(result.matches.at(1).view, "i");
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EXPECT_EQ(result.matches.at(2).view, "n");
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}
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TEST_CASE(match_character_class_with_assertion)
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{
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Regex<PosixExtended> re("[[:alpha:]]+$");
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DeprecatedString str = "abcdef";
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RegexResult result = match(str, re);
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EXPECT_EQ(result.success, true);
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EXPECT_EQ(result.count, 1u);
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}
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TEST_CASE(example_for_git_commit)
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{
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Regex<PosixExtended> re("^.*$");
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auto result = re.match("Well, hello friends!\nHello World!"sv);
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EXPECT(result.success);
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EXPECT(result.count == 1);
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EXPECT(result.matches.at(0).view.starts_with("Well"sv));
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EXPECT(result.matches.at(0).view.length() == 33);
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EXPECT(re.has_match("Well,...."sv));
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result = re.match("Well, hello friends!\nHello World!"sv, PosixFlags::Multiline);
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EXPECT(result.success);
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EXPECT(result.count == 2);
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EXPECT(result.matches.at(0).view == "Well, hello friends!");
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EXPECT(result.matches.at(1).view == "Hello World!");
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}
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TEST_CASE(email_address)
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{
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Regex<PosixExtended> re("^[A-Z0-9a-z._%+-]{1,64}@([A-Za-z0-9-]{1,63}\\.){1,125}[A-Za-z]{2,63}$");
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EXPECT(re.has_match("hello.world@domain.tld"sv));
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EXPECT(re.has_match("this.is.a.very_long_email_address@world.wide.web"sv));
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}
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TEST_CASE(ini_file_entries)
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{
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Regex<PosixExtended> re("[[:alpha:]]*=([[:digit:]]*)|\\[(.*)\\]");
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RegexResult result;
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if constexpr (REGEX_DEBUG) {
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RegexDebug regex_dbg(stderr);
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regex_dbg.print_raw_bytecode(re);
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regex_dbg.print_header();
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regex_dbg.print_bytecode(re);
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}
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DeprecatedString haystack = "[Window]\nOpacity=255\nAudibleBeep=0\n";
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EXPECT_EQ(re.search(haystack.view(), result, PosixFlags::Multiline), true);
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EXPECT_EQ(result.count, 3u);
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if constexpr (REGEX_DEBUG) {
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for (auto& v : result.matches)
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fprintf(stderr, "%s\n", v.view.to_deprecated_string().characters());
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}
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EXPECT_EQ(result.matches.at(0).view, "[Window]");
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EXPECT_EQ(result.capture_group_matches.at(0).at(0).view, "Window");
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EXPECT_EQ(result.matches.at(1).view, "Opacity=255");
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EXPECT_EQ(result.matches.at(1).line, 1u);
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EXPECT_EQ(result.matches.at(1).column, 0u);
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EXPECT_EQ(result.capture_group_matches.at(1).at(0).view, "255");
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EXPECT_EQ(result.capture_group_matches.at(1).at(0).line, 1u);
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EXPECT_EQ(result.capture_group_matches.at(1).at(0).column, 8u);
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EXPECT_EQ(result.matches.at(2).view, "AudibleBeep=0");
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EXPECT_EQ(result.capture_group_matches.at(2).at(0).view, "0");
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EXPECT_EQ(result.capture_group_matches.at(2).at(0).line, 2u);
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EXPECT_EQ(result.capture_group_matches.at(2).at(0).column, 12u);
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}
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TEST_CASE(ini_file_entries2)
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{
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Regex<PosixExtended> re("[[:alpha:]]*=([[:digit:]]*)");
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RegexResult result;
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DeprecatedString haystack = "ViewMode=Icon";
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EXPECT_EQ(re.match(haystack.view(), result), false);
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EXPECT_EQ(result.count, 0u);
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EXPECT_EQ(re.search(haystack.view(), result), true);
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EXPECT_EQ(result.count, 1u);
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}
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TEST_CASE(named_capture_group)
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{
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Regex<PosixExtended> re("[[:alpha:]]*=(?<Test>[[:digit:]]*)");
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RegexResult result;
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if constexpr (REGEX_DEBUG) {
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RegexDebug regex_dbg(stderr);
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regex_dbg.print_raw_bytecode(re);
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regex_dbg.print_header();
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regex_dbg.print_bytecode(re);
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}
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DeprecatedString haystack = "[Window]\nOpacity=255\nAudibleBeep=0\n";
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EXPECT_EQ(re.search(haystack, result, PosixFlags::Multiline), true);
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EXPECT_EQ(result.count, 2u);
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EXPECT_EQ(result.matches.at(0).view, "Opacity=255");
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EXPECT_EQ(result.capture_group_matches.at(0).at(0).view, "255");
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EXPECT_EQ(result.capture_group_matches.at(0).at(0).capture_group_name, "Test");
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EXPECT_EQ(result.matches.at(1).view, "AudibleBeep=0");
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EXPECT_EQ(result.capture_group_matches.at(1).at(0).view, "0");
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EXPECT_EQ(result.capture_group_matches.at(1).at(0).capture_group_name, "Test");
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}
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TEST_CASE(ecma262_named_capture_group_with_dollar_sign)
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{
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Regex<ECMA262> re("[a-zA-Z]*=(?<$Test$>[0-9]*)");
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RegexResult result;
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if constexpr (REGEX_DEBUG) {
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RegexDebug regex_dbg(stderr);
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regex_dbg.print_raw_bytecode(re);
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regex_dbg.print_header();
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regex_dbg.print_bytecode(re);
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}
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|
||
DeprecatedString haystack = "[Window]\nOpacity=255\nAudibleBeep=0\n";
|
||
EXPECT_EQ(re.search(haystack, result, ECMAScriptFlags::Multiline), true);
|
||
EXPECT_EQ(result.count, 2u);
|
||
EXPECT_EQ(result.matches.at(0).view, "Opacity=255");
|
||
EXPECT_EQ(result.capture_group_matches.at(0).at(0).view, "255");
|
||
EXPECT_EQ(result.capture_group_matches.at(0).at(0).capture_group_name, "$Test$");
|
||
EXPECT_EQ(result.matches.at(1).view, "AudibleBeep=0");
|
||
EXPECT_EQ(result.capture_group_matches.at(1).at(0).view, "0");
|
||
EXPECT_EQ(result.capture_group_matches.at(1).at(0).capture_group_name, "$Test$");
|
||
}
|
||
|
||
TEST_CASE(a_star)
|
||
{
|
||
Regex<PosixExtended> re("a*");
|
||
RegexResult result;
|
||
|
||
if constexpr (REGEX_DEBUG) {
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
}
|
||
|
||
DeprecatedString haystack = "[Window]\nOpacity=255\nAudibleBeep=0\n";
|
||
EXPECT_EQ(re.search(haystack.view(), result, PosixFlags::Multiline), true);
|
||
EXPECT_EQ(result.count, 32u);
|
||
if (result.count == 32u) {
|
||
EXPECT_EQ(result.matches.at(0).view.length(), 0u);
|
||
EXPECT_EQ(result.matches.at(10).view.length(), 1u);
|
||
EXPECT_EQ(result.matches.at(10).view, "a");
|
||
EXPECT_EQ(result.matches.at(31).view.length(), 0u);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(simple_period_end_benchmark)
|
||
{
|
||
Regex<PosixExtended> re("hello.$");
|
||
RegexResult m;
|
||
EXPECT_EQ(re.search("Hello1"sv, m), false);
|
||
EXPECT_EQ(re.search("hello1hello1"sv, m), true);
|
||
EXPECT_EQ(re.search("hello2hell"sv, m), false);
|
||
EXPECT_EQ(re.search("hello?"sv, m), true);
|
||
}
|
||
|
||
TEST_CASE(posix_extended_nested_capture_group)
|
||
{
|
||
Regex<PosixExtended> re("(h(e(?<llo>llo)))"); // group 0 -> "hello", group 1 -> "ello", group 2/"llo" -> "llo"
|
||
auto result = re.match("hello"sv);
|
||
EXPECT(result.success);
|
||
EXPECT_EQ(result.capture_group_matches.size(), 1u);
|
||
EXPECT_EQ(result.capture_group_matches[0].size(), 3u);
|
||
EXPECT_EQ(result.capture_group_matches[0][0].view, "hello"sv);
|
||
EXPECT_EQ(result.capture_group_matches[0][1].view, "ello"sv);
|
||
EXPECT_EQ(result.capture_group_matches[0][2].view, "llo"sv);
|
||
}
|
||
|
||
auto parse_test_case_long_disjunction_chain = DeprecatedString::repeated("a|"sv, 100000);
|
||
|
||
TEST_CASE(ECMA262_parse)
|
||
{
|
||
struct _test {
|
||
StringView pattern;
|
||
regex::Error expected_error { regex::Error::NoError };
|
||
regex::ECMAScriptFlags flags {};
|
||
};
|
||
|
||
_test const tests[] {
|
||
{ "^hello.$"sv },
|
||
{ "^(hello.)$"sv },
|
||
{ "^h{0,1}ello.$"sv },
|
||
{ "^hello\\W$"sv },
|
||
{ "^hell\\w.$"sv },
|
||
{ "^hell\\x6f1$"sv }, // ^hello1$
|
||
{ "^hel(?:l\\w).$"sv },
|
||
{ "^hel(?<LO>l\\w).$"sv },
|
||
{ "^[-a-zA-Z\\w\\s]+$"sv },
|
||
{ "\\bhello\\B"sv },
|
||
{ "^[\\w+/_-]+[=]{0,2}$"sv }, // #4189
|
||
{ "^(?:[^<]*(<[\\w\\W]+>)[^>]*$|#([\\w\\-]*)$)"sv }, // #4189
|
||
{ "\\/"sv }, // #4189
|
||
{ ",/=-:"sv }, // #4243
|
||
{ "\\x"sv }, // Even invalid escapes are allowed if ~unicode.
|
||
{ "\\x1"sv }, // Even invalid escapes are allowed if ~unicode.
|
||
{ "\\x1"sv, regex::Error::InvalidPattern, regex::ECMAScriptFlags::Unicode },
|
||
{ "\\x11"sv },
|
||
{ "\\x11"sv, regex::Error::NoError, regex::ECMAScriptFlags::Unicode },
|
||
{ "\\"sv, regex::Error::InvalidTrailingEscape },
|
||
{ "(?"sv, regex::Error::InvalidCaptureGroup },
|
||
{ "\\u1234"sv, regex::Error::NoError, regex::ECMAScriptFlags::Unicode },
|
||
{ "[\\u1234]"sv, regex::Error::NoError, regex::ECMAScriptFlags::Unicode },
|
||
{ "\\u1"sv, regex::Error::InvalidPattern, regex::ECMAScriptFlags::Unicode },
|
||
{ "[\\u1]"sv, regex::Error::InvalidPattern, regex::ECMAScriptFlags::Unicode },
|
||
{ ",(?"sv, regex::Error::InvalidCaptureGroup }, // #4583
|
||
{ "{1}"sv, regex::Error::InvalidPattern },
|
||
{ "{1,2}"sv, regex::Error::InvalidPattern },
|
||
{ "\\uxxxx"sv, regex::Error::NoError },
|
||
{ "\\uxxxx"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\ud83d"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "\\ud83d\\uxxxx"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\u{0}"sv },
|
||
{ "\\u{0}"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "\\u{10ffff}"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "\\u{10ffff"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\u{10ffffx"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\u{110000}"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\p"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\p{"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\p{}"sv, regex::Error::InvalidNameForProperty, ECMAScriptFlags::Unicode },
|
||
{ "\\p{AsCiI}"sv, regex::Error::InvalidNameForProperty, ECMAScriptFlags::Unicode },
|
||
{ "\\p{hello friends}"sv, regex::Error::InvalidNameForProperty, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Prepended_Concatenation_Mark}"sv, regex::Error::InvalidNameForProperty, ECMAScriptFlags::Unicode },
|
||
{ "\\p{ASCII}"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "\\\\p{1}"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "\\\\p{AsCiI}"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\\\p{ASCII}"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\c"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\c"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "[\\c]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\c]"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\c`"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\c`"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "[\\c`]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\c`]"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\A"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\A"sv, regex::Error::InvalidCharacterClass, ECMAScriptFlags::Unicode },
|
||
{ "[\\A]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\A]"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\0"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\0"sv, regex::Error::NoError, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "\\00"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\00"sv, regex::Error::InvalidCharacterClass, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "[\\0]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\0]"sv, regex::Error::NoError, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "[\\00]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\00]"sv, regex::Error::InvalidPattern, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "\\^\\$\\\\\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\/"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "[\\^\\$\\\\\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\/]"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "]"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "]"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\]"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "}"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended },
|
||
{ "}"sv, regex::Error::InvalidPattern, ECMAScriptFlags::Unicode },
|
||
{ "\\}"sv, regex::Error::NoError, ECMAScriptFlags::Unicode },
|
||
{ "a{9007199254740991}"sv }, // 2^53 - 1
|
||
{ "a{9007199254740991,}"sv },
|
||
{ "a{9007199254740991,9007199254740991}"sv },
|
||
{ "a{9007199254740992}"sv, regex::Error::InvalidBraceContent },
|
||
{ "a{9007199254740992,}"sv, regex::Error::InvalidBraceContent },
|
||
{ "a{9007199254740991,9007199254740992}"sv, regex::Error::InvalidBraceContent },
|
||
{ "a{9007199254740992,9007199254740991}"sv, regex::Error::InvalidBraceContent },
|
||
{ "a{9007199254740992,9007199254740992}"sv, regex::Error::InvalidBraceContent },
|
||
{ "(?<a>a)(?<a>b)"sv, regex::Error::DuplicateNamedCapture },
|
||
{ "(?<a>a)(?<b>b)(?<a>c)"sv, regex::Error::DuplicateNamedCapture },
|
||
{ "(?<1a>a)"sv, regex::Error::InvalidNameForCaptureGroup },
|
||
{ "(?<\\a>a)"sv, regex::Error::InvalidNameForCaptureGroup },
|
||
{ "(?<\ta>a)"sv, regex::Error::InvalidNameForCaptureGroup },
|
||
{ "(?<$$_$$>a)"sv },
|
||
{ "(?<ÿ>a)"sv },
|
||
{ "(?<𝓑𝓻𝓸𝔀𝓷>a)"sv },
|
||
{ "((?=lg)?[vl]k\\-?\\d{3}) bui| 3\\.[-\\w; ]{10}lg?-([06cv9]{3,4})"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended }, // #12373, quantifiable assertions.
|
||
{ parse_test_case_long_disjunction_chain.view() }, // A whole lot of disjunctions, should not overflow the stack.
|
||
{ "(\"|')(?:(?!\\2)[^\\\\\\r\\n]|\\\\.)*\\2"sv, regex::Error::NoError, ECMAScriptFlags::BrowserExtended }, // LegacyOctalEscapeSequence should not consume too many chars (and should not crash)
|
||
// #18324, Capture group counter skipped past EOF.
|
||
{ "\\1[\\"sv, regex::Error::InvalidNumber },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, test.flags);
|
||
EXPECT_EQ(re.parser_result.error, test.expected_error);
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
}
|
||
}
|
||
|
||
TEST_CASE(ECMA262_match)
|
||
{
|
||
constexpr auto global_multiline = ECMAScriptFlags::Global | ECMAScriptFlags::Multiline;
|
||
|
||
struct _test {
|
||
StringView pattern;
|
||
StringView subject;
|
||
bool matches { true };
|
||
ECMAScriptFlags options {};
|
||
};
|
||
// clang-format off
|
||
constexpr _test tests[] {
|
||
{ "^hello.$"sv, "hello1"sv },
|
||
{ "^(hello.)$"sv, "hello1"sv },
|
||
{ "^h{0,1}ello.$"sv, "ello1"sv },
|
||
{ "^hello\\W$"sv, "hello!"sv },
|
||
{ "^hell\\w.$"sv, "hellx!"sv },
|
||
{ "^hell\\x6f1$"sv, "hello1"sv },
|
||
{ "^hel(?<LO>l.)1$"sv, "hello1"sv },
|
||
{ "^hel(?<LO>l.)1*\\k<LO>.$"sv, "hello1lo1"sv },
|
||
{ "^[-a-z1-3\\s]+$"sv, "hell2 o1"sv },
|
||
{ "^[\\0-\\x1f]$"sv, "\n"sv },
|
||
{ .pattern = "\\bhello\\B"sv, .subject = "hello1"sv, .options = ECMAScriptFlags::Global },
|
||
{ "\\b.*\\b"sv, "hello1"sv },
|
||
{ "[^\\D\\S]{2}"sv, "1 "sv },
|
||
{ "bar(?=f.)foo"sv, "barfoo"sv },
|
||
{ "bar(?=foo)bar"sv, "barbar"sv, false },
|
||
{ "bar(?!foo)bar"sv, "barbar"sv, true },
|
||
{ "bar(?!bar)bar"sv, "barbar"sv, false },
|
||
{ "bar.*(?<=foo)"sv, "barbar"sv, false },
|
||
{ "bar.*(?<!foo)"sv, "barbar"sv, true },
|
||
{ "((...)X)+"sv, "fooXbarXbazX"sv, true },
|
||
{ "(?:)"sv, ""sv, true },
|
||
{ "\\^"sv, "^"sv },
|
||
{ "\\^\\$\\\\\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\/"sv, "^$\\.*+?()[]{}|/"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "[\\^\\$\\\\\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\/]{15}"sv, "^$\\.*+?()[]{}|/"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(a{2}){3}"sv, "aaaaaa"sv },
|
||
{ "(a{2}){3}"sv, "aaaabaa"sv, false },
|
||
{ "(a{2}){4}"sv, "aaaaaaaa"sv },
|
||
{ "(a{2}){4}"sv, "aaaaaabaa"sv, false },
|
||
{ "(a{3}){2}"sv, "aaaaaa"sv },
|
||
{ "(a{3}){2}"sv, "aaaabaa"sv, false },
|
||
{ "(a{4}){2}"sv, "aaaaaaaa"sv },
|
||
{ "(a{4}){2}"sv, "aaaaaabaa"sv, false },
|
||
{ "\\u{4}"sv, "uuuu"sv },
|
||
{ "(?<=.{3})f"sv, "abcdef"sv, true, (ECMAScriptFlags)regex::AllFlags::Global },
|
||
{ "(?<=.{3})f"sv, "abc😀ef"sv, true, (ECMAScriptFlags)regex::AllFlags::Global },
|
||
// ECMA262, B.1.4. Regular Expression Pattern extensions for browsers
|
||
{ "{"sv, "{"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\5"sv, "\5"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\05"sv, "\5"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\455"sv, "\45""5"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\314"sv, "\314"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\c"sv, "\\c"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\cf"sv, "\06"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\c1"sv, "\\c1"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\c1]"sv, "\x11"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\w-\\d]"sv, "-"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "^(?:^^\\.?|[!+-]|!=|!==|#|%|%=|&|&&|&&=|&=|\\(|\\*|\\*=|\\+=|,|-=|->|\\/|\\/=|:|::|;|<|<<|<<=|<=|=|==|===|>|>=|>>|>>=|>>>|>>>=|[?@[^]|\\^=|\\^\\^|\\^\\^=|{|\\||\\|=|\\|\\||\\|\\|=|~|break|case|continue|delete|do|else|finally|instanceof|return|throw|try|typeof)\\s*(\\/(?=[^*/])(?:[^/[\\\\]|\\\\[\\S\\s]|\\[(?:[^\\\\\\]]|\\\\[\\S\\s])*(?:]|$))+\\/)"sv,
|
||
"return /xx/"sv, true, ECMAScriptFlags::BrowserExtended
|
||
}, // #5517, appears to be matching JS expressions that involve regular expressions...
|
||
{ "a{2,}"sv, "aaaa"sv }, // #5518
|
||
{ "\\0"sv, "\0"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "\\0"sv, "\0"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "\\01"sv, "\1"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\0]"sv, "\0"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "[\\0]"sv, "\0"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::BrowserExtended) },
|
||
{ "[\\01]"sv, "\1"sv, true, ECMAScriptFlags::BrowserExtended },
|
||
{ "(\0|a)"sv, "a"sv, true }, // #9686, Should allow null bytes in pattern
|
||
{ "(.*?)a(?!(a+)b\\2c)\\2(.*)"sv, "baaabaac"sv, true }, // #6042, Groups inside lookarounds may be referenced outside, but their contents appear empty if the pattern in the lookaround fails.
|
||
{ "a|$"sv, "x"sv, true, (ECMAScriptFlags)regex::AllFlags::Global }, // #11940, Global (not the 'g' flag) regexps should attempt to match the zero-length end of the string too.
|
||
{ "foo\nbar"sv, "foo\nbar"sv, true }, // #12126, ECMA262 regexp should match literal newlines without the 's' flag.
|
||
{ "foo[^]bar"sv, "foo\nbar"sv, true }, // #12126, ECMA262 regexp should match newline with [^].
|
||
{ "^[_A-Z]+$"sv, "_aA"sv, true, ECMAScriptFlags::Insensitive }, // Insensitive lookup table: characters in a range do not necessarily lie in the same range after being converted to lowercase.
|
||
{ "^[a-sy-z]$"sv, "b"sv, true, ECMAScriptFlags::Insensitive },
|
||
{ "^[a-sy-z]$"sv, "y"sv, true, ECMAScriptFlags::Insensitive },
|
||
{ "^[a-sy-z]$"sv, "u"sv, false, ECMAScriptFlags::Insensitive },
|
||
{ "."sv, "\n\r\u2028\u2029"sv, false }, // Dot should not match any of CR/LF/LS/PS in ECMA262 mode without DotAll.
|
||
{ "a$"sv, "a\r\n"sv, true, global_multiline.value() }, // $ should accept all LineTerminators in ECMA262 mode with Multiline.
|
||
{ "^a"sv, "\ra"sv, true, global_multiline.value() },
|
||
{ "^(.*?):[ \\t]*([^\\r\\n]*)$"sv, "content-length: 488\r\ncontent-type: application/json; charset=utf-8\r\n"sv, true, global_multiline.value() },
|
||
};
|
||
// clang-format on
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, test.options);
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
EXPECT_EQ(re.parser_result.error, regex::Error::NoError);
|
||
EXPECT_EQ(re.match(test.subject).success, test.matches);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(ECMA262_unicode_match)
|
||
{
|
||
constexpr auto space_and_line_terminator_code_points = Array { 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x0020, 0x00A0, 0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x2028, 0x2029, 0x202F, 0x205F, 0x3000, 0xFEFF };
|
||
|
||
StringBuilder builder;
|
||
for (u32 code_point : space_and_line_terminator_code_points)
|
||
builder.append_code_point(code_point);
|
||
auto space_and_line_terminators = builder.to_deprecated_string();
|
||
|
||
struct _test {
|
||
StringView pattern;
|
||
StringView subject;
|
||
bool matches { true };
|
||
ECMAScriptFlags options {};
|
||
};
|
||
_test tests[] {
|
||
{ "\xf0\x9d\x8c\x86"sv, "abcdef"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\xf0\x9d\x8c\x86]"sv, "abcdef"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\ud83d"sv, "😀"sv, true },
|
||
{ "\\ud83d"sv, "😀"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\ude00"sv, "😀"sv, true },
|
||
{ "\\ude00"sv, "😀"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\ud83d\\ude00"sv, "😀"sv, true },
|
||
{ "\\ud83d\\ude00"sv, "😀"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\u{1f600}"sv, "😀"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\ud83d\\ud83d"sv, "\xed\xa0\xbd\xed\xa0\xbd"sv, true },
|
||
{ "\\ud83d\\ud83d"sv, "\xed\xa0\xbd\xed\xa0\xbd"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(?<=.{3})f"sv, "abcdef"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(?<=.{3})f"sv, "abc😀ef"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(?<𝓑𝓻𝓸𝔀𝓷>brown)"sv, "brown"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(?<\\u{1d4d1}\\u{1d4fb}\\u{1d4f8}\\u{1d500}\\u{1d4f7}>brown)"sv, "brown"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "(?<\\ud835\\udcd1\\ud835\\udcfb\\ud835\\udcf8\\ud835\\udd00\\ud835\\udcf7>brown)"sv, "brown"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "^\\s+$"sv, space_and_line_terminators },
|
||
{ "^\\s+$"sv, space_and_line_terminators, true, ECMAScriptFlags::Unicode },
|
||
{ "[\\u0390]"sv, "\u1fd3"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\u1fd3]"sv, "\u0390"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\u0390]"sv, "\u1fd3"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
{ "[\\u1fd3]"sv, "\u0390"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
{ "[\\u03b0]"sv, "\u1fe3"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\u1fe3]"sv, "\u03b0"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\u03b0]"sv, "\u1fe3"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
{ "[\\u1fe3]"sv, "\u03b0"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
{ "[\\ufb05]"sv, "\ufb06"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\ufb06]"sv, "\ufb05"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "[\\ufb05]"sv, "\ufb06"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
{ "[\\ufb06]"sv, "\ufb05"sv, true, combine_flags(ECMAScriptFlags::Unicode, ECMAScriptFlags::Insensitive) },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, (ECMAScriptFlags)regex::AllFlags::Global | test.options);
|
||
|
||
auto subject = MUST(AK::utf8_to_utf16(test.subject));
|
||
Utf16View view { subject };
|
||
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
|
||
EXPECT_EQ(re.parser_result.error, regex::Error::NoError);
|
||
EXPECT_EQ(re.match(view).success, test.matches);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(ECMA262_unicode_sets_parser_error)
|
||
{
|
||
struct _test {
|
||
StringView pattern;
|
||
regex::Error error;
|
||
};
|
||
|
||
constexpr _test tests[] {
|
||
{ "[[]"sv, regex::Error::InvalidPattern },
|
||
};
|
||
|
||
for (auto test : tests) {
|
||
Regex<ECMA262> re(test.pattern, (ECMAScriptFlags)regex::AllFlags::UnicodeSets);
|
||
EXPECT_EQ(re.parser_result.error, test.error);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(ECMA262_unicode_sets_match)
|
||
{
|
||
struct _test {
|
||
StringView pattern;
|
||
StringView subject;
|
||
bool matches { true };
|
||
ECMAScriptFlags options {};
|
||
};
|
||
|
||
constexpr _test tests[] {
|
||
{ "[\\w--x]"sv, "x"sv, false },
|
||
{ "[\\w&&x]"sv, "y"sv, false },
|
||
{ "[\\w--x]"sv, "y"sv, true },
|
||
{ "[\\w&&x]"sv, "x"sv, true },
|
||
{ "[[0-9\\w]--x--6]"sv, "6"sv, false },
|
||
{ "[[0-9\\w]--x--6]"sv, "x"sv, false },
|
||
{ "[[0-9\\w]--x--6]"sv, "y"sv, true },
|
||
{ "[[0-9\\w]--x--6]"sv, "9"sv, true },
|
||
{ "[\\w&&\\d]"sv, "a"sv, false },
|
||
{ "[\\w&&\\d]"sv, "4"sv, true },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, (ECMAScriptFlags)regex::AllFlags::UnicodeSets | test.options);
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
|
||
EXPECT_EQ(re.parser_result.error, regex::Error::NoError);
|
||
auto result = re.match(test.subject).success;
|
||
EXPECT_EQ(result, test.matches);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(ECMA262_property_match)
|
||
{
|
||
struct _test {
|
||
StringView pattern;
|
||
StringView subject;
|
||
bool matches { true };
|
||
ECMAScriptFlags options {};
|
||
};
|
||
|
||
constexpr _test tests[] {
|
||
{ "\\p{ASCII}"sv, "a"sv, false },
|
||
{ "\\p{ASCII}"sv, "p{ASCII}"sv, true },
|
||
{ "\\p{ASCII}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{ASCII}"sv, "😀"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{ASCII}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{ASCII}"sv, "😀"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{ASCII_Hex_Digit}"sv, "1"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{ASCII_Hex_Digit}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{ASCII_Hex_Digit}"sv, "x"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{ASCII_Hex_Digit}"sv, "1"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{ASCII_Hex_Digit}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{ASCII_Hex_Digit}"sv, "x"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Any}"sv, "\xcd\xb8"sv, true, ECMAScriptFlags::Unicode }, // U+0378, which is an unassigned code point.
|
||
{ "\\P{Any}"sv, "\xcd\xb8"sv, false, ECMAScriptFlags::Unicode }, // U+0378, which is an unassigned code point.
|
||
{ "\\p{Assigned}"sv, "\xcd\xb8"sv, false, ECMAScriptFlags::Unicode }, // U+0378, which is an unassigned code point.
|
||
{ "\\P{Assigned}"sv, "\xcd\xb8"sv, true, ECMAScriptFlags::Unicode }, // U+0378, which is an unassigned code point.
|
||
{ "\\p{Lu}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Lu}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Lu}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Cased_Letter}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Cased_Letter}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Cased_Letter}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{Cased_Letter}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{Cased_Letter}"sv, "A"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\P{Cased_Letter}"sv, "9"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{General_Category=Cased_Letter}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{General_Category=Cased_Letter}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{General_Category=Cased_Letter}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{gc=Cased_Letter}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{gc=Cased_Letter}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{gc=Cased_Letter}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Script=Latin}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Script=Latin}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Script=Latin}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{sc=Latin}"sv, "a"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{sc=Latin}"sv, "A"sv, true, ECMAScriptFlags::Unicode },
|
||
{ "\\p{sc=Latin}"sv, "9"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Script_Extensions=Deva}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{Script_Extensions=Beng}"sv, "\xe1\xb3\x95"sv, true, ECMAScriptFlags::Unicode }, // U+01CD5
|
||
{ "\\p{Script_Extensions=Deva}"sv, "\xe1\xb3\x95"sv, true, ECMAScriptFlags::Unicode }, // U+01CD5
|
||
{ "\\p{scx=Deva}"sv, "a"sv, false, ECMAScriptFlags::Unicode },
|
||
{ "\\p{scx=Beng}"sv, "\xe1\xb3\x95"sv, true, ECMAScriptFlags::Unicode }, // U+01CD5
|
||
{ "\\p{scx=Deva}"sv, "\xe1\xb3\x95"sv, true, ECMAScriptFlags::Unicode }, // U+01CD5
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, (ECMAScriptFlags)regex::AllFlags::Global | regex::ECMAScriptFlags::BrowserExtended | test.options);
|
||
|
||
auto subject = MUST(AK::utf8_to_utf16(test.subject));
|
||
Utf16View view { subject };
|
||
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
|
||
EXPECT_EQ(re.parser_result.error, regex::Error::NoError);
|
||
EXPECT_EQ(re.match(view).success, test.matches);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(replace)
|
||
{
|
||
struct _test {
|
||
StringView pattern;
|
||
StringView replacement;
|
||
StringView subject;
|
||
StringView expected;
|
||
ECMAScriptFlags options {};
|
||
};
|
||
|
||
constexpr _test tests[] {
|
||
{ "foo(.+)"sv, "aaa"sv, "test"sv, "test"sv },
|
||
{ "foo(.+)"sv, "test\\1"sv, "foobar"sv, "testbar"sv },
|
||
{ "foo(.+)"sv, "\\2\\1"sv, "foobar"sv, "\\2bar"sv },
|
||
{ "foo(.+)"sv, "\\\\\\1"sv, "foobar"sv, "\\bar"sv },
|
||
{ "foo(.)"sv, "a\\1"sv, "fooxfooy"sv, "axay"sv, ECMAScriptFlags::Multiline },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.pattern, test.options);
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
EXPECT_EQ(re.parser_result.error, regex::Error::NoError);
|
||
EXPECT_EQ(re.replace(test.subject, test.replacement), test.expected);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(case_insensitive_match)
|
||
{
|
||
Regex<PosixExtended> re("cd", PosixFlags::Insensitive | PosixFlags::Global);
|
||
auto result = re.match("AEKFCD"sv);
|
||
|
||
EXPECT_EQ(result.success, true);
|
||
if (result.success) {
|
||
EXPECT_EQ(result.matches.at(0).column, 4ul);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(extremely_long_fork_chain)
|
||
{
|
||
Regex<ECMA262> re("(?:aa)*");
|
||
auto result = re.match(DeprecatedString::repeated('a', 1000));
|
||
EXPECT_EQ(result.success, true);
|
||
}
|
||
|
||
TEST_CASE(theoretically_infinite_loop)
|
||
{
|
||
Array patterns {
|
||
"(a*)*"sv, // Infinitely matching empty substrings, the outer loop should short-circuit.
|
||
"(a*?)*"sv, // Infinitely matching empty substrings, the outer loop should short-circuit.
|
||
"(a*)*?"sv, // Should match exactly nothing.
|
||
"(?:)*?"sv, // Should not generate an infinite fork loop.
|
||
};
|
||
for (auto& pattern : patterns) {
|
||
Regex<ECMA262> re(pattern);
|
||
auto result = re.match(""sv);
|
||
EXPECT_EQ(result.success, true);
|
||
}
|
||
}
|
||
|
||
static auto g_lots_of_a_s = DeprecatedString::repeated('a', 10'000'000);
|
||
|
||
BENCHMARK_CASE(fork_performance)
|
||
{
|
||
Regex<ECMA262> re("(?:aa)*");
|
||
auto result = re.match(g_lots_of_a_s);
|
||
EXPECT_EQ(result.success, true);
|
||
}
|
||
|
||
TEST_CASE(optimizer_atomic_groups)
|
||
{
|
||
Array tests {
|
||
// Fork -> ForkReplace
|
||
Tuple { "a*b"sv, "aaaaa"sv, false },
|
||
Tuple { "a+b"sv, "aaaaa"sv, false },
|
||
Tuple { "\\\\(\\d+)"sv, "\\\\"sv, false }, // Rewrite bug turning a+ to a*, see #10952.
|
||
Tuple { "[a-z.]+\\."sv, "..."sv, true }, // Rewrite bug, incorrect interpretation of Compare.
|
||
Tuple { "[.-]+\\."sv, ".-."sv, true },
|
||
// Alternative fuse
|
||
Tuple { "(abcfoo|abcbar|abcbaz).*x"sv, "abcbarx"sv, true },
|
||
Tuple { "(a|a)"sv, "a"sv, true },
|
||
Tuple { "(a|)"sv, ""sv, true }, // Ensure that empty alternatives are not outright removed
|
||
Tuple { "a{2,3}|a{5,8}"sv, "abc"sv, false }, // Optimizer should not mess up the instruction stream by ignoring inter-insn dependencies, see #11247.
|
||
Tuple { "^(a{2,3}|a{5,8})$"sv, "aaaa"sv, false }, // Optimizer should not mess up the instruction stream by ignoring inter-insn dependencies, see #11247.
|
||
// Optimizer should not chop off *half* of an instruction when fusing instructions.
|
||
Tuple { "cubic-bezier\\(\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*,\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*,\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*,\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*\\)"sv, "cubic-bezier(.05, 0, 0, 1)"sv, true },
|
||
// ForkReplace shouldn't be applied where it would change the semantics
|
||
Tuple { "(1+)\\1"sv, "11"sv, true },
|
||
Tuple { "(1+)1"sv, "11"sv, true },
|
||
Tuple { "(1+)0"sv, "10"sv, true },
|
||
// Rewrite should not skip over first required iteration of <x>+.
|
||
Tuple { "a+"sv, ""sv, false },
|
||
// 'y' and [^x] have an overlap ('y'), the loop should not be rewritten here.
|
||
Tuple { "[^x]+y"sv, "ay"sv, true },
|
||
// .+ should not be rewritten here, as it's followed by something that would be matched by `.`.
|
||
Tuple { ".+(a|b|c)"sv, "xxa"sv, true },
|
||
// (b+)(b+) produces an intermediate block with no matching ops, the optimiser should ignore that block when looking for following matches and correctly detect the overlap between (b+) and (b+).
|
||
// note that the second loop may be rewritten to a ForkReplace, but the first loop should not be rewritten.
|
||
Tuple { "(b+)(b+)"sv, "bbb"sv, true },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.get<0>());
|
||
auto result = re.match(test.get<1>());
|
||
EXPECT_EQ(result.success, test.get<2>());
|
||
}
|
||
}
|
||
|
||
TEST_CASE(optimizer_char_class_lut)
|
||
{
|
||
Regex<ECMA262> re(R"([\f\n\r\t\v\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+$)");
|
||
|
||
if constexpr (REGEX_DEBUG) {
|
||
dbgln("\n");
|
||
RegexDebug regex_dbg(stderr);
|
||
regex_dbg.print_raw_bytecode(re);
|
||
regex_dbg.print_header();
|
||
regex_dbg.print_bytecode(re);
|
||
dbgln("\n");
|
||
}
|
||
|
||
// This will go through _all_ alternatives in the character class, and then fail.
|
||
for (size_t i = 0; i < 1'000'000; ++i)
|
||
EXPECT_EQ(re.match("1635488940000"sv).success, false);
|
||
}
|
||
|
||
TEST_CASE(optimizer_alternation)
|
||
{
|
||
Array tests {
|
||
// Pattern, Subject, Expected length
|
||
Tuple { "a|"sv, "a"sv, 1u },
|
||
Tuple { "a|a|a|a|a|a|a|a|a|b"sv, "a"sv, 1u },
|
||
Tuple { "ab|ac|ad|bc"sv, "bc"sv, 2u },
|
||
// Should not crash on backwards jumps introduced by '.*'.
|
||
Tuple { "\\bDroid\\b.*Build|XT912|XT928|XT926|XT915|XT919|XT925|XT1021|\\bMoto E\\b|XT1068|XT1092|XT1052"sv, "XT1068"sv, 6u },
|
||
// Backwards jumps to IP 0 are normal jumps too.
|
||
Tuple { "^(\\d+|x)"sv, "42"sv, 2u },
|
||
// `Repeat' does not add its insn size to the jump target.
|
||
Tuple { "[0-9]{2}|[0-9]"sv, "92"sv, 2u },
|
||
};
|
||
|
||
for (auto& test : tests) {
|
||
Regex<ECMA262> re(test.get<0>());
|
||
auto result = re.match(test.get<1>());
|
||
EXPECT(result.success);
|
||
EXPECT_EQ(result.matches.first().view.length(), test.get<2>());
|
||
}
|
||
}
|
||
|
||
TEST_CASE(posix_basic_dollar_is_end_anchor)
|
||
{
|
||
// Ensure that a dollar sign at the end only matches the end of the line.
|
||
{
|
||
Regex<PosixBasic> re("abc$");
|
||
EXPECT_EQ(re.match("123abcdef"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc"sv, PosixFlags::Global).success, true);
|
||
EXPECT_EQ(re.match("123abc$def"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc$"sv, PosixFlags::Global).success, false);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(posix_basic_dollar_is_literal)
|
||
{
|
||
// Ensure that a dollar sign in the middle is treated as a literal.
|
||
{
|
||
Regex<PosixBasic> re("abc$d");
|
||
EXPECT_EQ(re.match("123abcdef"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc$def"sv, PosixFlags::Global).success, true);
|
||
EXPECT_EQ(re.match("123abc$"sv, PosixFlags::Global).success, false);
|
||
}
|
||
|
||
// Ensure that a dollar sign is always treated as a literal if escaped, even if at the end of the pattern.
|
||
{
|
||
Regex<PosixBasic> re("abc\\$");
|
||
EXPECT_EQ(re.match("123abcdef"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc"sv, PosixFlags::Global).success, false);
|
||
EXPECT_EQ(re.match("123abc$def"sv, PosixFlags::Global).success, true);
|
||
EXPECT_EQ(re.match("123abc$"sv, PosixFlags::Global).success, true);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(negative_lookahead)
|
||
{
|
||
{
|
||
// Negative lookahead with more than 2 forks difference between lookahead init and finish.
|
||
auto options = ECMAScriptOptions { ECMAScriptFlags::Global };
|
||
options.reset_flag((ECMAScriptFlags)regex::AllFlags::Internal_Stateful);
|
||
Regex<ECMA262> re(":(?!\\^\\)|1)", options);
|
||
EXPECT_EQ(re.match(":^)"sv).success, false);
|
||
EXPECT_EQ(re.match(":1"sv).success, false);
|
||
EXPECT_EQ(re.match(":foobar"sv).success, true);
|
||
}
|
||
{
|
||
// Correctly count forks with nested groups and optimised loops
|
||
Regex<ECMA262> re("^((?:[^\\n]|\\n(?! *\\n))+)(?:\\n *)+\\n");
|
||
EXPECT_EQ(re.match("foo\n\n"sv).success, true);
|
||
EXPECT_EQ(re.match("foo\n"sv).success, false);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(single_match_flag)
|
||
{
|
||
{
|
||
// Ensure that only a single match is produced and nothing past that.
|
||
Regex<ECMA262> re("[\\u0008-\\uffff]"sv, ECMAScriptFlags::Global | (ECMAScriptFlags)regex::AllFlags::SingleMatch);
|
||
auto result = re.match("ABC"sv);
|
||
EXPECT_EQ(result.success, true);
|
||
EXPECT_EQ(result.matches.size(), 1u);
|
||
EXPECT_EQ(result.matches.first().view.to_deprecated_string(), "A"sv);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(empty_string_wildcard_match)
|
||
{
|
||
{
|
||
// Ensure that the wildcard ".*" matches the empty string exactly once
|
||
Regex<ECMA262> re(".*"sv, ECMAScriptFlags::Global);
|
||
auto result = re.match(""sv);
|
||
EXPECT_EQ(result.success, true);
|
||
EXPECT_EQ(result.matches.size(), 1u);
|
||
EXPECT_EQ(result.matches.first().view.to_deprecated_string(), ""sv);
|
||
}
|
||
}
|
||
|
||
TEST_CASE(inversion_state_in_char_class)
|
||
{
|
||
{
|
||
// #13755, /[\S\s]/.exec("hello") should be [ "h" ], not null.
|
||
Regex<ECMA262> re("[\\S\\s]", ECMAScriptFlags::Global | (ECMAScriptFlags)regex::AllFlags::SingleMatch);
|
||
|
||
auto result = re.match("hello"sv);
|
||
EXPECT_EQ(result.success, true);
|
||
EXPECT_EQ(result.matches.size(), 1u);
|
||
EXPECT_EQ(result.matches.first().view.to_deprecated_string(), "h"sv);
|
||
}
|
||
{
|
||
Regex<ECMA262> re("^(?:([^\\s!\"#%-,\\./;->@\\[-\\^`\\{-~]+(?=([=~}\\s/.)|]))))"sv, ECMAScriptFlags::Global);
|
||
|
||
auto result = re.match("slideNumbers}}"sv);
|
||
EXPECT_EQ(result.success, true);
|
||
EXPECT_EQ(result.matches.size(), 1u);
|
||
EXPECT_EQ(result.matches.first().view.to_deprecated_string(), "slideNumbers"sv);
|
||
EXPECT_EQ(result.capture_group_matches.first()[0].view.to_deprecated_string(), "slideNumbers"sv);
|
||
EXPECT_EQ(result.capture_group_matches.first()[1].view.to_deprecated_string(), "}"sv);
|
||
}
|
||
}
|