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Merge "Add missing function prototypes wcpcpy/wcpncpy."

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Christopher Ferris 2014-11-14 03:23:35 +00:00 committed by Gerrit Code Review
commit 59b1dea882
2 changed files with 77 additions and 5 deletions
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2
libc/include/wchar.h
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@ -111,6 +111,8 @@ extern int vswprintf(wchar_t*, size_t, const wchar_t*, va_list);
extern int vswscanf(const wchar_t*, const wchar_t*, va_list);
extern int vwprintf(const wchar_t*, va_list);
extern int vwscanf(const wchar_t*, va_list);
extern wchar_t* wcpcpy (wchar_t*, const wchar_t *);
extern wchar_t* wcpncpy (wchar_t*, const wchar_t *, size_t);
extern size_t wcrtomb(char *, wchar_t, mbstate_t *);
extern int wcscasecmp(const wchar_t *, const wchar_t *);
extern int wcscasecmp_l(const wchar_t *, const wchar_t *, locale_t);

80
tests/wchar_test.cpp
View file

@ -22,6 +22,8 @@
#include <stdint.h>
#include <wchar.h>
#define NUM_WCHARS(num_bytes) (num_bytes/sizeof(wchar_t))
TEST(wchar, sizeof_wchar_t) {
EXPECT_EQ(4U, sizeof(wchar_t));
EXPECT_EQ(4U, sizeof(wint_t));
@ -343,7 +345,7 @@ void test_mbsrtowcs(mbstate_t* ps) {
// Check that valid has advanced to the next unread character.
ASSERT_EQ('e', *valid);
wmemset(out, L'x', sizeof(out) / sizeof(wchar_t));
wmemset(out, L'x', NUM_WCHARS(sizeof(out)));
ASSERT_EQ(2U, mbsrtowcs(out, &valid, 4, ps));
ASSERT_EQ(L'e', out[0]);
ASSERT_EQ(L'f', out[1]);
@ -450,17 +452,85 @@ TEST(wchar, wcsftime) {
EXPECT_STREQ(L"Sun Mar 10 00:00:00 2100", buf);
}
TEST(wchar, wmemmove) {
TEST(wchar, wmemmove_smoke) {
const wchar_t const_wstr[] = L"This is a test of something or other.....";
wchar_t* wstr = new wchar_t[sizeof(const_wstr)];
wchar_t wstr[NUM_WCHARS(sizeof(const_wstr))];
wmemmove(wstr, const_wstr, sizeof(const_wstr)/sizeof(wchar_t));
EXPECT_EQ(wstr, wmemmove(wstr, const_wstr, NUM_WCHARS(sizeof(const_wstr))));
EXPECT_STREQ(const_wstr, wstr);
wmemmove(wstr+5, wstr, sizeof(const_wstr)/sizeof(wchar_t) - 6);
EXPECT_EQ(wstr+5, wmemmove(wstr+5, wstr, NUM_WCHARS(sizeof(const_wstr)) - 6));
EXPECT_STREQ(L"This This is a test of something or other", wstr);
}
TEST(wchar, wmemcpy_smoke) {
const wchar_t src[] = L"Source string";
wchar_t dst[NUM_WCHARS(sizeof(src))];
EXPECT_EQ(dst, wmemcpy(dst, src, NUM_WCHARS(sizeof(src))));
EXPECT_STREQ(dst, src);
}
TEST(wchar, wcpcpy_smoke) {
const wchar_t src[] = L"Source string";
wchar_t dst[NUM_WCHARS(sizeof(src))];
EXPECT_EQ(dst + NUM_WCHARS(sizeof(src)) - 1, wcpcpy(dst, src));
EXPECT_STREQ(dst, src);
}
TEST(wchar, wcpncpy_smoke) {
const wchar_t src[] = L"Source string";
wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 1));
EXPECT_STREQ(dst, src);
EXPECT_EQ(dst + 6, wcpncpy(dst, src, 6));
dst[6] = L'\0';
EXPECT_STREQ(dst, L"Source");
wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 4));
EXPECT_STREQ(dst, src);
EXPECT_EQ(dst[src_len], L'\0');
EXPECT_EQ(dst[src_len+1], L'\0');
EXPECT_EQ(dst[src_len+2], L'\0');
EXPECT_EQ(dst[src_len+3], L'\0');
EXPECT_EQ(dst[src_len+4], L'x');
}
TEST(wchar, wcscpy_smoke) {
const wchar_t src[] = L"Source string";
wchar_t dst[NUM_WCHARS(sizeof(src))];
EXPECT_EQ(dst, wcscpy(dst, src));
EXPECT_STREQ(src, dst);
}
TEST(wchar, wcsncpy_smoke) {
const wchar_t src[] = L"Source string";
wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 1));
EXPECT_STREQ(dst, src);
EXPECT_EQ(dst, wcsncpy(dst, src, 6));
dst[6] = L'\0';
EXPECT_STREQ(dst, L"Source");
wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 4));
EXPECT_STREQ(dst, src);
EXPECT_EQ(dst[src_len], L'\0');
EXPECT_EQ(dst[src_len+1], L'\0');
EXPECT_EQ(dst[src_len+2], L'\0');
EXPECT_EQ(dst[src_len+3], L'\0');
EXPECT_EQ(dst[src_len+4], L'x');
}
TEST(wchar, mbrtowc_15439554) {
// http://b/15439554
ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));