Peter Limkilde Svendsen
28 lines
999 B
C
28 lines
999 B
C
#include <assert.h>
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#include <wchar.h>
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int main(void) {
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wchar_t *haystack = L"Hello, World!";
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wchar_t *haystack_empty = L"";
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wchar_t *needle_expected = L"World";
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wchar_t *needle_expected_multiple = L"l";
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wchar_t *needle_not_expected = L"Rust";
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wchar_t *needle_too_long = L"Hello, World!!!";
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wchar_t *needle_empty = L"";
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assert(wcsstr(haystack, needle_expected) == haystack + 7);
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assert(wcsstr(haystack, needle_expected_multiple) == haystack + 2);
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assert(wcsstr(haystack, needle_not_expected) == NULL);
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assert(wcsstr(haystack, needle_too_long) == NULL);
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assert(wcsstr(haystack, needle_empty) == haystack);
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assert(wcsstr(haystack_empty, needle_expected) == NULL);
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assert(wcsstr(haystack_empty, needle_expected_multiple) == NULL);
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assert(wcsstr(haystack_empty, needle_not_expected) == NULL);
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assert(wcsstr(haystack_empty, needle_too_long) == NULL);
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assert(wcsstr(haystack_empty, needle_empty) == haystack_empty);
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return 0;
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}
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