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test: Add a test for printf formatting of long doubles

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Martin Storsjö committed 2021-08-09 12:08:16 +03:00
1 parent 86630da230
commit ea4f925038
1 file changed
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test/crt-test.c
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@@ -159,6 +159,12 @@ int main(int argc, char* argv[]) {
snprintf(buf, sizeof(buf), "%f", 3.141592654);
TEST_STR(buf, "3.141593");
#if !defined(__MINGW32__) || (!defined(__i386__) && !defined(__x86_64__)) || (defined(__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO)
// On mingw, long double formatting on x86 only works if __USE_MINGW_ANSI_STDIO is defined.
long double print_val_ld = 42.0L;
snprintf(buf, sizeof(buf), "%Lf", print_val_ld);
TEST_STR(buf, "42.000000");
#endif
snprintf(buf, sizeof(buf), "%"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64" %"PRIx64, myconst + 0, myconst + 1, myconst + 2, myconst + 3, myconst + 4, myconst + 5, myconst + 6, myconst + 7, myconst + 8, myconst + 9);
TEST_STR(buf, "baadf00dcafe baadf00dcaff baadf00dcb00 baadf00dcb01 baadf00dcb02 baadf00dcb03 baadf00dcb04 baadf00dcb05 baadf00dcb06 baadf00dcb07");