1 files changed, 67 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/gen/t_isnan.c b/contrib/netbsd-tests/lib/libc/gen/t_isnan.c
new file mode 100644
index 0000000..2a97b9a
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libc/gen/t_isnan.c
@@ -0,0 +1,67 @@
+/* $NetBSD: t_isnan.c,v 1.4 2014/02/09 21:26:07 jmmv Exp $ */
+
+/*
+ * This file is in the Public Domain.
+ *
+ * The nan test is blatently copied by Simon Burge from the infinity
+ * test by Ben Harris.
+ */
+
+#include <sys/param.h>
+
+#include <atf-c.h>
+#include <atf-c/config.h>
+
+#include <math.h>
+#include <string.h>
+
+ATF_TC(isnan_basic);
+ATF_TC_HEAD(isnan_basic, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
+}
+
+ATF_TC_BODY(isnan_basic, tc)
+{
+#if defined(__m68k__)
+	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
+#endif
+
+#ifdef NAN
+	/* NAN is meant to be a (float)NaN. */
+	ATF_CHECK(isnan(NAN) != 0);
+	ATF_CHECK(isnan((double)NAN) != 0);
+#else
+	atf_tc_skip("Test not applicable");
+#endif
+}
+
+ATF_TC(isinf_basic);
+ATF_TC_HEAD(isinf_basic, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
+}
+
+ATF_TC_BODY(isinf_basic, tc)
+{
+#if defined(__m68k__)
+	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
+#endif
+
+	/* HUGE_VAL is meant to be an infinity. */
+	ATF_CHECK(isinf(HUGE_VAL) != 0);
+
+	/* HUGE_VALF is the float analog of HUGE_VAL. */
+	ATF_CHECK(isinf(HUGE_VALF) != 0);
+
+	/* HUGE_VALL is the long double analog of HUGE_VAL. */
+	ATF_CHECK(isinf(HUGE_VALL) != 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, isnan_basic);
+	ATF_TP_ADD_TC(tp, isinf_basic);
+
+	return atf_no_error();
+}