ladybird/Tests/LibC/TestWctype.cpp
2021-09-17 22:59:51 +00:00

85 lines
3.3 KiB
C++

/*
* Copyright (c) 2021, the SerenityOS developers
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <wctype.h>
TEST_CASE(wctype)
{
// Test that existing properties return non-zero wctypes.
EXPECT(wctype("alnum") != 0);
EXPECT(wctype("alpha") != 0);
EXPECT(wctype("blank") != 0);
EXPECT(wctype("cntrl") != 0);
EXPECT(wctype("digit") != 0);
EXPECT(wctype("graph") != 0);
EXPECT(wctype("lower") != 0);
EXPECT(wctype("print") != 0);
EXPECT(wctype("punct") != 0);
EXPECT(wctype("space") != 0);
EXPECT(wctype("upper") != 0);
EXPECT(wctype("xdigit") != 0);
// Test that invalid properties return the "invalid" wctype (0).
EXPECT(wctype("") == 0);
EXPECT(wctype("abc") == 0);
}
TEST_CASE(wctrans)
{
// Test that existing character mappings return non-zero wctrans values.
EXPECT(wctrans("tolower") != 0);
EXPECT(wctrans("toupper") != 0);
// Test that invalid character mappings return the "invalid" wctrans value (0).
EXPECT(wctrans("") == 0);
EXPECT(wctrans("abc") == 0);
}
TEST_CASE(iswctype)
{
const wint_t test_chars[] = { L'A', L'a', L'F', L'f', L'Z', L'z', L'0', L'\n', L'.', L'\x00' };
// Test that valid properties are wired to the correct implementation.
for (unsigned int i = 0; i < sizeof(test_chars) / sizeof(test_chars[0]); i++) {
EXPECT(iswctype(test_chars[i], wctype("alnum")) == iswalnum(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("alpha")) == iswalpha(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("blank")) == iswblank(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("cntrl")) == iswcntrl(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("digit")) == iswdigit(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("graph")) == iswgraph(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("lower")) == iswlower(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("print")) == iswprint(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("punct")) == iswpunct(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("space")) == iswspace(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("upper")) == iswupper(test_chars[i]));
EXPECT(iswctype(test_chars[i], wctype("xdigit")) == iswxdigit(test_chars[i]));
}
// Test that invalid properties always return zero.
for (unsigned int i = 0; i < sizeof(test_chars) / sizeof(test_chars[0]); i++) {
EXPECT(iswctype(test_chars[i], 0) == 0);
EXPECT(iswctype(test_chars[i], -1) == 0);
}
}
TEST_CASE(towctrans)
{
const wint_t test_chars[] = { L'A', L'a', L'F', L'f', L'Z', L'z', L'0', L'\n', L'.', L'\x00' };
// Test that valid mappings are wired to the correct implementation.
for (unsigned int i = 0; i < sizeof(test_chars) / sizeof(test_chars[0]); i++) {
EXPECT(towctrans(test_chars[i], wctrans("tolower")) == towlower(test_chars[i]));
EXPECT(towctrans(test_chars[i], wctrans("toupper")) == towupper(test_chars[i]));
}
// Test that invalid mappings always return the character unchanged.
for (unsigned int i = 0; i < sizeof(test_chars) / sizeof(test_chars[0]); i++) {
EXPECT(towctrans(test_chars[i], 0) == test_chars[i]);
EXPECT(towctrans(test_chars[i], -1) == test_chars[i]);
}
}