528   wchar_t dst[128];  in TEST()  local
532   memset(dst, 0, sizeof(dst));  in TEST()
534   ASSERT_EQ(0U, mbsnrtowcs(dst, &src, 0, 0, nullptr));  in TEST()
536   memset(dst, 0, sizeof(dst));  in TEST()
538   ASSERT_EQ(2U, mbsnrtowcs(dst, &src, 2, 123, nullptr)); // glibc chokes on SIZE_MAX here.  in TEST()
539   ASSERT_EQ(L'h', dst[0]);  in TEST()
540   ASSERT_EQ(L'e', dst[1]);  in TEST()
543   memset(dst, 0, sizeof(dst));  in TEST()
545   ASSERT_EQ(3U, mbsnrtowcs(dst, &src, SIZE_MAX, 3, nullptr));  in TEST()
546   ASSERT_EQ(L'h', dst[0]);  in TEST()
547   ASSERT_EQ(L'e', dst[1]);  in TEST()
548   ASSERT_EQ(L'l', dst[2]);  in TEST()
551   memset(dst, 0, sizeof(dst));  in TEST()
555   ASSERT_EQ(static_cast<size_t>(-1), mbsnrtowcs(dst, &src, SIZE_MAX, 3, nullptr));  in TEST()
594   wchar_t dst[NUM_WCHARS(sizeof(src))];  in TEST()  local
596   EXPECT_EQ(dst, wmemcpy(dst, src, NUM_WCHARS(sizeof(src))));  in TEST()
597   EXPECT_STREQ(dst, src);  in TEST()
602   wchar_t dst[NUM_WCHARS(sizeof(src))];  in TEST()  local
604   EXPECT_EQ(dst + NUM_WCHARS(sizeof(src)) - 1, wcpcpy(dst, src));  in TEST()
605   EXPECT_STREQ(dst, src);  in TEST()
610   wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];  in TEST()  local
613   EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 1));  in TEST()
614   EXPECT_STREQ(dst, src);  in TEST()
616   EXPECT_EQ(dst + 6, wcpncpy(dst, src, 6));  in TEST()
617   dst[6] = L'\0';  in TEST()
618   EXPECT_STREQ(dst, L"Source");  in TEST()
620   wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));  in TEST()
621   EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 4));  in TEST()
622   EXPECT_STREQ(dst, src);  in TEST()
623   EXPECT_EQ(dst[src_len], L'\0');  in TEST()
624   EXPECT_EQ(dst[src_len+1], L'\0');  in TEST()
625   EXPECT_EQ(dst[src_len+2], L'\0');  in TEST()
626   EXPECT_EQ(dst[src_len+3], L'\0');  in TEST()
627   EXPECT_EQ(dst[src_len+4], L'x');  in TEST()
632   wchar_t dst[NUM_WCHARS(sizeof(src))];  in TEST()  local
634   EXPECT_EQ(dst, wcscpy(dst, src));  in TEST()
635   EXPECT_STREQ(src, dst);  in TEST()
640   wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];  in TEST()  local
643   EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 1));  in TEST()
644   EXPECT_STREQ(dst, src);  in TEST()
646   EXPECT_EQ(dst, wcsncpy(dst, src, 6));  in TEST()
647   dst[6] = L'\0';  in TEST()
648   EXPECT_STREQ(dst, L"Source");  in TEST()
650   wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));  in TEST()
651   EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 4));  in TEST()
652   EXPECT_STREQ(dst, src);  in TEST()
653   EXPECT_EQ(dst[src_len], L'\0');  in TEST()
654   EXPECT_EQ(dst[src_len+1], L'\0');  in TEST()
655   EXPECT_EQ(dst[src_len+2], L'\0');  in TEST()
656   EXPECT_EQ(dst[src_len+3], L'\0');  in TEST()
657   EXPECT_EQ(dst[src_len+4], L'x');  in TEST()
793   wchar_t dst[6];  in TEST()  local
794   ASSERT_EQ(&dst[4], wmempcpy(dst, L"hello", 4));  in TEST()