ladybird/Tests/AK/TestDeprecatedString.cpp
Linus Groh 6e7459322d AK: Remove StringBuilder::build() in favor of to_deprecated_string()
Having an alias function that only wraps another one is silly, and
keeping the more obvious name should flush out more uses of deprecated
strings.
No behavior change.
2023-01-27 20:38:49 +00:00

315 lines
9.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/DeprecatedFlyString.h>
#include <AK/DeprecatedString.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <cstring>
TEST_CASE(construct_empty)
{
EXPECT(DeprecatedString().is_null());
EXPECT(DeprecatedString().is_empty());
EXPECT(!DeprecatedString().characters());
EXPECT(!DeprecatedString("").is_null());
EXPECT(DeprecatedString("").is_empty());
EXPECT(DeprecatedString("").characters() != nullptr);
EXPECT(DeprecatedString("").impl() == DeprecatedString::empty().impl());
}
TEST_CASE(construct_contents)
{
DeprecatedString test_string = "ABCDEF";
EXPECT(!test_string.is_empty());
EXPECT(!test_string.is_null());
EXPECT_EQ(test_string.length(), 6u);
EXPECT_EQ(test_string.length(), strlen(test_string.characters()));
EXPECT(test_string.characters() != nullptr);
EXPECT(!strcmp(test_string.characters(), "ABCDEF"));
EXPECT(test_string == "ABCDEF");
EXPECT(test_string != "ABCDE");
EXPECT(test_string != "ABCDEFG");
}
TEST_CASE(equal)
{
EXPECT_NE(DeprecatedString::empty(), DeprecatedString {});
}
TEST_CASE(compare)
{
EXPECT("a"sv < DeprecatedString("b"));
EXPECT(!("a"sv > DeprecatedString("b")));
EXPECT("b"sv > DeprecatedString("a"));
EXPECT(!("b"sv < DeprecatedString("b")));
EXPECT("a"sv >= DeprecatedString("a"));
EXPECT(!("a"sv >= DeprecatedString("b")));
EXPECT("a"sv <= DeprecatedString("a"));
EXPECT(!("b"sv <= DeprecatedString("a")));
EXPECT(DeprecatedString("a") > DeprecatedString());
EXPECT(!(DeprecatedString() > DeprecatedString("a")));
EXPECT(DeprecatedString() < DeprecatedString("a"));
EXPECT(!(DeprecatedString("a") < DeprecatedString()));
EXPECT(DeprecatedString("a") >= DeprecatedString());
EXPECT(!(DeprecatedString() >= DeprecatedString("a")));
EXPECT(DeprecatedString() <= DeprecatedString("a"));
EXPECT(!(DeprecatedString("a") <= DeprecatedString()));
EXPECT(!(DeprecatedString() > DeprecatedString()));
EXPECT(!(DeprecatedString() < DeprecatedString()));
EXPECT(DeprecatedString() >= DeprecatedString());
EXPECT(DeprecatedString() <= DeprecatedString());
}
TEST_CASE(index_access)
{
DeprecatedString test_string = "ABCDEF";
EXPECT_EQ(test_string[0], 'A');
EXPECT_EQ(test_string[1], 'B');
}
TEST_CASE(starts_with)
{
DeprecatedString test_string = "ABCDEF";
EXPECT(test_string.starts_with("AB"sv));
EXPECT(test_string.starts_with('A'));
EXPECT(!test_string.starts_with('B'));
EXPECT(test_string.starts_with("ABCDEF"sv));
EXPECT(!test_string.starts_with("DEF"sv));
EXPECT(test_string.starts_with("abc"sv, CaseSensitivity::CaseInsensitive));
EXPECT(!test_string.starts_with("abc"sv, CaseSensitivity::CaseSensitive));
}
TEST_CASE(ends_with)
{
DeprecatedString test_string = "ABCDEF";
EXPECT(test_string.ends_with("EF"sv));
EXPECT(test_string.ends_with('F'));
EXPECT(!test_string.ends_with('E'));
EXPECT(test_string.ends_with("ABCDEF"sv));
EXPECT(!test_string.ends_with("ABC"sv));
EXPECT(test_string.ends_with("def"sv, CaseSensitivity::CaseInsensitive));
EXPECT(!test_string.ends_with("def"sv, CaseSensitivity::CaseSensitive));
}
TEST_CASE(copy_string)
{
DeprecatedString test_string = "ABCDEF";
auto test_string_copy = test_string;
EXPECT_EQ(test_string, test_string_copy);
EXPECT_EQ(test_string.characters(), test_string_copy.characters());
}
TEST_CASE(move_string)
{
DeprecatedString test_string = "ABCDEF";
auto test_string_copy = test_string;
auto test_string_move = move(test_string_copy);
EXPECT_EQ(test_string, test_string_move);
EXPECT(test_string_copy.is_null());
}
TEST_CASE(repeated)
{
EXPECT_EQ(DeprecatedString::repeated('x', 0), "");
EXPECT_EQ(DeprecatedString::repeated('x', 1), "x");
EXPECT_EQ(DeprecatedString::repeated('x', 2), "xx");
}
TEST_CASE(to_int)
{
EXPECT_EQ(DeprecatedString("123").to_int().value(), 123);
EXPECT_EQ(DeprecatedString("-123").to_int().value(), -123);
}
TEST_CASE(to_lowercase)
{
EXPECT(DeprecatedString("ABC").to_lowercase() == "abc");
}
TEST_CASE(to_uppercase)
{
EXPECT(DeprecatedString("AbC").to_uppercase() == "ABC");
}
TEST_CASE(flystring)
{
{
DeprecatedFlyString a("foo");
DeprecatedFlyString b("foo");
EXPECT_EQ(a.impl(), b.impl());
}
{
DeprecatedString a = "foo";
DeprecatedFlyString b = a;
StringBuilder builder;
builder.append('f');
builder.append("oo"sv);
DeprecatedFlyString c = builder.to_deprecated_string();
EXPECT_EQ(a.impl(), b.impl());
EXPECT_EQ(a.impl(), c.impl());
}
}
TEST_CASE(replace)
{
DeprecatedString test_string = "Well, hello Friends!";
test_string = test_string.replace("Friends"sv, "Testers"sv, ReplaceMode::FirstOnly);
EXPECT(test_string == "Well, hello Testers!");
test_string = test_string.replace("ell"sv, "e're"sv, ReplaceMode::All);
EXPECT(test_string == "We're, he'reo Testers!");
test_string = test_string.replace("!"sv, " :^)"sv, ReplaceMode::FirstOnly);
EXPECT(test_string == "We're, he'reo Testers :^)");
test_string = DeprecatedString("111._.111._.111");
test_string = test_string.replace("111"sv, "|||"sv, ReplaceMode::All);
EXPECT(test_string == "|||._.|||._.|||");
test_string = test_string.replace("|||"sv, "111"sv, ReplaceMode::FirstOnly);
EXPECT(test_string == "111._.|||._.|||");
}
TEST_CASE(count)
{
DeprecatedString test_string = "Well, hello Friends!";
u32 count = test_string.count("Friends"sv);
EXPECT(count == 1);
count = test_string.count("ell"sv);
EXPECT(count == 2);
count = test_string.count("!"sv);
EXPECT(count == 1);
test_string = DeprecatedString("111._.111._.111");
count = test_string.count("111"sv);
EXPECT(count == 3);
count = test_string.count("._."sv);
EXPECT(count == 2);
}
TEST_CASE(substring)
{
DeprecatedString test = "abcdef";
EXPECT_EQ(test.substring(0, 6), test);
EXPECT_EQ(test.substring(0, 3), "abc");
EXPECT_EQ(test.substring(3, 3), "def");
EXPECT_EQ(test.substring(3, 0), "");
EXPECT_EQ(test.substring(6, 0), "");
}
TEST_CASE(split)
{
DeprecatedString test = "foo bar baz";
auto parts = test.split(' ');
EXPECT_EQ(parts.size(), 3u);
EXPECT_EQ(parts[0], "foo");
EXPECT_EQ(parts[1], "bar");
EXPECT_EQ(parts[2], "baz");
EXPECT_EQ(parts[0].characters()[3], '\0');
EXPECT_EQ(parts[1].characters()[3], '\0');
EXPECT_EQ(parts[2].characters()[3], '\0');
test = "a b";
parts = test.split(' ');
EXPECT_EQ(parts.size(), 2u);
EXPECT_EQ(parts[0], "a");
EXPECT_EQ(parts[1], "b");
parts = test.split(' ', SplitBehavior::KeepEmpty);
EXPECT_EQ(parts.size(), 5u);
EXPECT_EQ(parts[0], "a");
EXPECT_EQ(parts[1], "");
EXPECT_EQ(parts[2], "");
EXPECT_EQ(parts[3], "");
EXPECT_EQ(parts[4], "b");
test = "axxbx";
EXPECT_EQ(test.split('x').size(), 2u);
EXPECT_EQ(test.split('x', SplitBehavior::KeepEmpty).size(), 4u);
EXPECT_EQ(test.split_view('x').size(), 2u);
EXPECT_EQ(test.split_view('x', SplitBehavior::KeepEmpty).size(), 4u);
}
TEST_CASE(builder_zero_initial_capacity)
{
StringBuilder builder(0);
builder.append(""sv);
auto built = builder.to_deprecated_string();
EXPECT_EQ(built.is_null(), false);
EXPECT_EQ(built.length(), 0u);
}
TEST_CASE(find)
{
DeprecatedString a = "foobarbar";
EXPECT_EQ(a.find("bar"sv), Optional<size_t> { 3 });
EXPECT_EQ(a.find("baz"sv), Optional<size_t> {});
EXPECT_EQ(a.find("bar"sv, 4), Optional<size_t> { 6 });
EXPECT_EQ(a.find("bar"sv, 9), Optional<size_t> {});
EXPECT_EQ(a.find('f'), Optional<size_t> { 0 });
EXPECT_EQ(a.find('x'), Optional<size_t> {});
EXPECT_EQ(a.find('f', 1), Optional<size_t> {});
EXPECT_EQ(a.find('b'), Optional<size_t> { 3 });
EXPECT_EQ(a.find('b', 4), Optional<size_t> { 6 });
EXPECT_EQ(a.find('b', 9), Optional<size_t> {});
}
TEST_CASE(find_with_empty_needle)
{
DeprecatedString string = "";
EXPECT_EQ(string.find(""sv), 0u);
EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u }));
string = "abc";
EXPECT_EQ(string.find(""sv), 0u);
EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u, 1u, 2u, 3u }));
}
TEST_CASE(bijective_base)
{
EXPECT_EQ(DeprecatedString::bijective_base_from(0), "A");
EXPECT_EQ(DeprecatedString::bijective_base_from(25), "Z");
EXPECT_EQ(DeprecatedString::bijective_base_from(26), "AA");
EXPECT_EQ(DeprecatedString::bijective_base_from(52), "BA");
EXPECT_EQ(DeprecatedString::bijective_base_from(704), "ABC");
}
TEST_CASE(roman_numerals)
{
auto zero = DeprecatedString::roman_number_from(0);
EXPECT_EQ(zero, "");
auto one = DeprecatedString::roman_number_from(1);
EXPECT_EQ(one, "I");
auto nine = DeprecatedString::roman_number_from(9);
EXPECT_EQ(nine, "IX");
auto fourty_eight = DeprecatedString::roman_number_from(48);
EXPECT_EQ(fourty_eight, "XLVIII");
auto one_thousand_nine_hundred_ninety_eight = DeprecatedString::roman_number_from(1998);
EXPECT_EQ(one_thousand_nine_hundred_ninety_eight, "MCMXCVIII");
auto four_thousand = DeprecatedString::roman_number_from(4000);
EXPECT_EQ(four_thousand, "4000");
}