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314 lines
8.9 KiB
C++
314 lines
8.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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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>
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#include <AK/ByteString.h>
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#include <AK/DeprecatedFlyString.h>
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#include <AK/StringBuilder.h>
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#include <AK/Vector.h>
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#include <cstring>
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TEST_CASE(construct_empty)
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{
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EXPECT(ByteString().is_empty());
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EXPECT(ByteString().characters() != nullptr);
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EXPECT(ByteString("").is_empty());
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EXPECT(ByteString("").characters() != nullptr);
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EXPECT(ByteString("").impl() == ByteString::empty().impl());
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}
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TEST_CASE(construct_contents)
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{
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ByteString test_string = "ABCDEF";
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EXPECT(!test_string.is_empty());
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EXPECT_EQ(test_string.length(), 6u);
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EXPECT_EQ(test_string.length(), strlen(test_string.characters()));
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EXPECT(test_string.characters() != nullptr);
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EXPECT(!strcmp(test_string.characters(), "ABCDEF"));
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EXPECT(test_string == "ABCDEF");
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EXPECT(test_string != "ABCDE");
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EXPECT(test_string != "ABCDEFG");
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}
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TEST_CASE(equal)
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{
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EXPECT_EQ(ByteString::empty(), ByteString {});
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}
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TEST_CASE(compare)
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{
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EXPECT("a"sv < ByteString("b"));
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EXPECT(!("a"sv > ByteString("b")));
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EXPECT("b"sv > ByteString("a"));
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EXPECT(!("b"sv < ByteString("b")));
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EXPECT("a"sv >= ByteString("a"));
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EXPECT(!("a"sv >= ByteString("b")));
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EXPECT("a"sv <= ByteString("a"));
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EXPECT(!("b"sv <= ByteString("a")));
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EXPECT(ByteString("a") > ByteString());
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EXPECT(!(ByteString() > ByteString("a")));
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EXPECT(ByteString() < ByteString("a"));
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EXPECT(!(ByteString("a") < ByteString()));
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EXPECT(ByteString("a") >= ByteString());
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EXPECT(!(ByteString() >= ByteString("a")));
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EXPECT(ByteString() <= ByteString("a"));
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EXPECT(!(ByteString("a") <= ByteString()));
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EXPECT(!(ByteString() > ByteString()));
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EXPECT(!(ByteString() < ByteString()));
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EXPECT(ByteString() >= ByteString());
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EXPECT(ByteString() <= ByteString());
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}
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TEST_CASE(index_access)
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{
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ByteString test_string = "ABCDEF";
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EXPECT_EQ(test_string[0], 'A');
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EXPECT_EQ(test_string[1], 'B');
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}
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TEST_CASE(starts_with)
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{
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ByteString test_string = "ABCDEF";
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EXPECT(test_string.starts_with("AB"sv));
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EXPECT(test_string.starts_with('A'));
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EXPECT(!test_string.starts_with('B'));
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EXPECT(test_string.starts_with("ABCDEF"sv));
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EXPECT(!test_string.starts_with("DEF"sv));
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EXPECT(test_string.starts_with("abc"sv, CaseSensitivity::CaseInsensitive));
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EXPECT(!test_string.starts_with("abc"sv, CaseSensitivity::CaseSensitive));
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}
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TEST_CASE(ends_with)
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{
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ByteString test_string = "ABCDEF";
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EXPECT(test_string.ends_with("EF"sv));
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EXPECT(test_string.ends_with('F'));
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EXPECT(!test_string.ends_with('E'));
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EXPECT(test_string.ends_with("ABCDEF"sv));
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EXPECT(!test_string.ends_with("ABC"sv));
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EXPECT(test_string.ends_with("def"sv, CaseSensitivity::CaseInsensitive));
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EXPECT(!test_string.ends_with("def"sv, CaseSensitivity::CaseSensitive));
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}
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TEST_CASE(copy_string)
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{
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ByteString test_string = "ABCDEF";
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auto test_string_copy = test_string;
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EXPECT_EQ(test_string, test_string_copy);
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EXPECT_EQ(test_string.characters(), test_string_copy.characters());
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}
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TEST_CASE(move_string)
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{
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ByteString test_string = "ABCDEF";
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auto test_string_copy = test_string;
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auto test_string_move = move(test_string_copy);
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EXPECT_EQ(test_string, test_string_move);
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EXPECT(test_string_copy.is_empty());
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}
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TEST_CASE(repeated)
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{
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EXPECT_EQ(ByteString::repeated('x', 0), "");
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EXPECT_EQ(ByteString::repeated('x', 1), "x");
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EXPECT_EQ(ByteString::repeated('x', 2), "xx");
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}
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TEST_CASE(to_int)
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{
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EXPECT_EQ(ByteString("123").to_number<int>().value(), 123);
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EXPECT_EQ(ByteString("-123").to_number<int>().value(), -123);
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}
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TEST_CASE(to_lowercase)
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{
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EXPECT(ByteString("ABC").to_lowercase() == "abc");
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}
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TEST_CASE(to_uppercase)
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{
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EXPECT(ByteString("AbC").to_uppercase() == "ABC");
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}
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TEST_CASE(flystring)
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{
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{
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DeprecatedFlyString a("foo");
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DeprecatedFlyString b("foo");
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EXPECT_EQ(a.impl(), b.impl());
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}
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{
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ByteString a = "foo";
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DeprecatedFlyString b = a;
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StringBuilder builder;
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builder.append('f');
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builder.append("oo"sv);
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DeprecatedFlyString c = builder.to_byte_string();
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EXPECT_EQ(a.impl(), b.impl());
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EXPECT_EQ(a.impl(), c.impl());
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}
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}
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TEST_CASE(replace)
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{
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ByteString test_string = "Well, hello Friends!";
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test_string = test_string.replace("Friends"sv, "Testers"sv, ReplaceMode::FirstOnly);
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EXPECT(test_string == "Well, hello Testers!");
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test_string = test_string.replace("ell"sv, "e're"sv, ReplaceMode::All);
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EXPECT(test_string == "We're, he'reo Testers!");
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test_string = test_string.replace("!"sv, " :^)"sv, ReplaceMode::FirstOnly);
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EXPECT(test_string == "We're, he'reo Testers :^)");
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test_string = ByteString("111._.111._.111");
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test_string = test_string.replace("111"sv, "|||"sv, ReplaceMode::All);
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EXPECT(test_string == "|||._.|||._.|||");
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test_string = test_string.replace("|||"sv, "111"sv, ReplaceMode::FirstOnly);
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EXPECT(test_string == "111._.|||._.|||");
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}
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TEST_CASE(count)
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{
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ByteString test_string = "Well, hello Friends!";
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u32 count = test_string.count("Friends"sv);
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EXPECT(count == 1);
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count = test_string.count("ell"sv);
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EXPECT(count == 2);
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count = test_string.count("!"sv);
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EXPECT(count == 1);
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test_string = ByteString("111._.111._.111");
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count = test_string.count("111"sv);
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EXPECT(count == 3);
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count = test_string.count("._."sv);
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EXPECT(count == 2);
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}
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TEST_CASE(substring)
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{
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ByteString test = "abcdef";
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EXPECT_EQ(test.substring(0, 6), test);
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EXPECT_EQ(test.substring(0, 3), "abc");
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EXPECT_EQ(test.substring(3, 3), "def");
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EXPECT_EQ(test.substring(3, 0), "");
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EXPECT_EQ(test.substring(6, 0), "");
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}
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TEST_CASE(split)
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{
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ByteString test = "foo bar baz";
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auto parts = test.split(' ');
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EXPECT_EQ(parts.size(), 3u);
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EXPECT_EQ(parts[0], "foo");
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EXPECT_EQ(parts[1], "bar");
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EXPECT_EQ(parts[2], "baz");
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EXPECT_EQ(parts[0].characters()[3], '\0');
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EXPECT_EQ(parts[1].characters()[3], '\0');
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EXPECT_EQ(parts[2].characters()[3], '\0');
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test = "a b";
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parts = test.split(' ');
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EXPECT_EQ(parts.size(), 2u);
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EXPECT_EQ(parts[0], "a");
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EXPECT_EQ(parts[1], "b");
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parts = test.split(' ', SplitBehavior::KeepEmpty);
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EXPECT_EQ(parts.size(), 5u);
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EXPECT_EQ(parts[0], "a");
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EXPECT_EQ(parts[1], "");
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EXPECT_EQ(parts[2], "");
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EXPECT_EQ(parts[3], "");
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EXPECT_EQ(parts[4], "b");
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test = "axxbx";
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EXPECT_EQ(test.split('x').size(), 2u);
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EXPECT_EQ(test.split('x', SplitBehavior::KeepEmpty).size(), 4u);
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EXPECT_EQ(test.split_view('x').size(), 2u);
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EXPECT_EQ(test.split_view('x', SplitBehavior::KeepEmpty).size(), 4u);
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}
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TEST_CASE(builder_zero_initial_capacity)
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{
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StringBuilder builder(0);
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builder.append(""sv);
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auto built = builder.to_byte_string();
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EXPECT_EQ(built.length(), 0u);
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}
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TEST_CASE(find)
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{
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ByteString a = "foobarbar";
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EXPECT_EQ(a.find("bar"sv), Optional<size_t> { 3 });
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EXPECT_EQ(a.find("baz"sv), Optional<size_t> {});
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EXPECT_EQ(a.find("bar"sv, 4), Optional<size_t> { 6 });
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EXPECT_EQ(a.find("bar"sv, 9), Optional<size_t> {});
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EXPECT_EQ(a.find('f'), Optional<size_t> { 0 });
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EXPECT_EQ(a.find('x'), Optional<size_t> {});
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EXPECT_EQ(a.find('f', 1), Optional<size_t> {});
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EXPECT_EQ(a.find('b'), Optional<size_t> { 3 });
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EXPECT_EQ(a.find('b', 4), Optional<size_t> { 6 });
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EXPECT_EQ(a.find('b', 9), Optional<size_t> {});
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}
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TEST_CASE(find_with_empty_needle)
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{
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ByteString string = "";
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EXPECT_EQ(string.find(""sv), 0u);
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EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u }));
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string = "abc";
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EXPECT_EQ(string.find(""sv), 0u);
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EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u, 1u, 2u, 3u }));
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}
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TEST_CASE(bijective_base)
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{
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EXPECT_EQ(ByteString::bijective_base_from(0), "A");
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EXPECT_EQ(ByteString::bijective_base_from(25), "Z");
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EXPECT_EQ(ByteString::bijective_base_from(26), "AA");
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EXPECT_EQ(ByteString::bijective_base_from(52), "BA");
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EXPECT_EQ(ByteString::bijective_base_from(701), "ZZ");
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EXPECT_EQ(ByteString::bijective_base_from(702), "AAA");
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EXPECT_EQ(ByteString::bijective_base_from(730), "ABC");
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EXPECT_EQ(ByteString::bijective_base_from(18277), "ZZZ");
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}
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TEST_CASE(roman_numerals)
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{
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auto zero = ByteString::roman_number_from(0);
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EXPECT_EQ(zero, "");
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auto one = ByteString::roman_number_from(1);
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EXPECT_EQ(one, "I");
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auto nine = ByteString::roman_number_from(9);
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EXPECT_EQ(nine, "IX");
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auto fourty_eight = ByteString::roman_number_from(48);
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EXPECT_EQ(fourty_eight, "XLVIII");
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auto one_thousand_nine_hundred_ninety_eight = ByteString::roman_number_from(1998);
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EXPECT_EQ(one_thousand_nine_hundred_ninety_eight, "MCMXCVIII");
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auto four_thousand = ByteString::roman_number_from(4000);
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EXPECT_EQ(four_thousand, "4000");
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}
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