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AK: Add String::trim

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This commit is contained in:
Timothy Flynn 2023-01-27 14:37:40 -05:00 • committed by Linus Groh
parent cccaa94767
commit c59268d15b
3 changed files with 126 additions and 0 deletions
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112
Tests/AK/TestString.cpp
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@ -495,3 +495,115 @@ TEST_CASE(join)
auto string7 = MUST(String::join(" - "sv, Array { 1, 16, 256, 4096 }, "[{:#04x}]"sv));
EXPECT_EQ(string7, "[0x0001] - [0x0010] - [0x0100] - [0x1000]"sv);
}
TEST_CASE(trim)
{
{
String string {};
auto result = MUST(string.trim(" "sv, TrimMode::Both));
EXPECT(result.is_empty());
result = MUST(string.trim(" "sv, TrimMode::Left));
EXPECT(result.is_empty());
result = MUST(string.trim(" "sv, TrimMode::Right));
EXPECT(result.is_empty());
}
{
auto string = MUST(String::from_utf8("word"sv));
auto result = MUST(string.trim(" "sv, TrimMode::Both));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Left));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Right));
EXPECT_EQ(result, "word"sv);
}
{
auto string = MUST(String::from_utf8(" word"sv));
auto result = MUST(string.trim(" "sv, TrimMode::Both));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Left));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Right));
EXPECT_EQ(result, " word"sv);
}
{
auto string = MUST(String::from_utf8("word "sv));
auto result = MUST(string.trim(" "sv, TrimMode::Both));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Left));
EXPECT_EQ(result, "word "sv);
result = MUST(string.trim(" "sv, TrimMode::Right));
EXPECT_EQ(result, "word"sv);
}
{
auto string = MUST(String::from_utf8(" word "sv));
auto result = MUST(string.trim(" "sv, TrimMode::Both));
EXPECT_EQ(result, "word"sv);
result = MUST(string.trim(" "sv, TrimMode::Left));
EXPECT_EQ(result, "word "sv);
result = MUST(string.trim(" "sv, TrimMode::Right));
EXPECT_EQ(result, " word"sv);
}
{
auto string = MUST(String::from_utf8(" word "sv));
auto result = MUST(string.trim("\t"sv, TrimMode::Both));
EXPECT_EQ(result, " word "sv);
result = MUST(string.trim("\t"sv, TrimMode::Left));
EXPECT_EQ(result, " word "sv);
result = MUST(string.trim("\t"sv, TrimMode::Right));
EXPECT_EQ(result, " word "sv);
}
{
auto string = MUST(String::from_utf8("ωΣωΣω"sv));
auto result = MUST(string.trim("ω"sv, TrimMode::Both));
EXPECT_EQ(result, "ΣωΣ"sv);
result = MUST(string.trim("ω"sv, TrimMode::Left));
EXPECT_EQ(result, "ΣωΣω"sv);
result = MUST(string.trim("ω"sv, TrimMode::Right));
EXPECT_EQ(result, "ωΣωΣ"sv);
}
{
auto string = MUST(String::from_utf8("ωΣωΣω"sv));
auto result = MUST(string.trim("ωΣ"sv, TrimMode::Both));
EXPECT(result.is_empty());
result = MUST(string.trim("ωΣ"sv, TrimMode::Left));
EXPECT(result.is_empty());
result = MUST(string.trim("ωΣ"sv, TrimMode::Right));
EXPECT(result.is_empty());
}
{
auto string = MUST(String::from_utf8("ωΣωΣω"sv));
auto result = MUST(string.trim("Σω"sv, TrimMode::Both));
EXPECT(result.is_empty());
result = MUST(string.trim("Σω"sv, TrimMode::Left));
EXPECT(result.is_empty());
result = MUST(string.trim("Σω"sv, TrimMode::Right));
EXPECT(result.is_empty());
}
}