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AK: Move to_int(), to_uint() implementations to StringUtils (#1338)

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Provide wrappers in String and StringView. Add some tests for the
implementations.
This commit is contained in:
howar6hill 2020-03-02 21:19:33 +08:00 • committed by GitHub
parent 918ebabf60
commit d75fa80a7b
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7 changed files with 141 additions and 73 deletions
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77
AK/Tests/TestStringUtils.cpp
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@ -41,4 +41,81 @@ TEST_CASE(matches_case_insensitive)
EXPECT(!AK::StringUtils::matches("acdcb", "a*c?b"));
}
TEST_CASE(convert_to_int)
{
bool ok = false;
AK::StringUtils::convert_to_int(StringView(), ok);
EXPECT(!ok);
AK::StringUtils::convert_to_int("", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_int("a", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_int("+", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_int("-", ok);
EXPECT(!ok);
int actual = actual = AK::StringUtils::convert_to_int("0", ok);
EXPECT(ok && actual == 0);
actual = AK::StringUtils::convert_to_int("1", ok);
EXPECT(ok && actual == 1);
actual = AK::StringUtils::convert_to_int("+1", ok);
EXPECT(ok && actual == 1);
actual = AK::StringUtils::convert_to_int("-1", ok);
EXPECT(ok && actual == -1);
actual = AK::StringUtils::convert_to_int("01", ok);
EXPECT(ok && actual == 1);
actual = AK::StringUtils::convert_to_int("12345", ok);
EXPECT(ok && actual == 12345);
actual = AK::StringUtils::convert_to_int("-12345", ok);
EXPECT(ok && actual == -12345);
}
TEST_CASE(convert_to_uint)
{
bool ok = false;
AK::StringUtils::convert_to_uint(StringView(), ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("a", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("+", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("-", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("+1", ok);
EXPECT(!ok);
AK::StringUtils::convert_to_uint("-1", ok);
EXPECT(!ok);
uint actual = AK::StringUtils::convert_to_uint("0", ok);
EXPECT(ok && actual == 0u);
actual = AK::StringUtils::convert_to_uint("1", ok);
EXPECT(ok && actual == 1u);
actual = AK::StringUtils::convert_to_uint("01", ok);
EXPECT(ok && actual == 1u);
actual = AK::StringUtils::convert_to_uint("12345", ok);
EXPECT(ok && actual == 12345u);
}
TEST_MAIN(StringUtils)