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LibC: Implement wcsstr

This commit is contained in:
Tim Schumacher 2021-09-22 08:54:23 +00:00 committed by Brian Gianforcaro
parent 1b078f87b7
commit 5ac2e84264
3 changed files with 51 additions and 0 deletions

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@ -35,6 +35,36 @@ TEST_CASE(wcspbrk)
EXPECT_EQ(ret, input + 2);
}
TEST_CASE(wcsstr)
{
const wchar_t* input = L"abcde";
wchar_t* ret;
// Empty needle should return haystack.
ret = wcsstr(input, L"");
EXPECT_EQ(ret, input);
// Test exact match.
ret = wcsstr(input, input);
EXPECT_EQ(ret, input);
// Test match at string start.
ret = wcsstr(input, L"ab");
EXPECT_EQ(ret, input);
// Test match at string end.
ret = wcsstr(input, L"de");
EXPECT_EQ(ret, input + 3);
// Test no match.
ret = wcsstr(input, L"z");
EXPECT_EQ(ret, nullptr);
// Test needle that is longer than the haystack.
ret = wcsstr(input, L"abcdef");
EXPECT_EQ(ret, nullptr);
}
TEST_CASE(wcscoll)
{
// Check if wcscoll is sorting correctly. At the moment we are doing raw char comparisons,