1 files changed, 158 insertions, 0 deletions
diff --git a/usr/src/test/libc-tests/tests/endian.c b/usr/src/test/libc-tests/tests/endian.c
new file mode 100644
index 0000000000..1165ad773d
--- /dev/null
+++ b/usr/src/test/libc-tests/tests/endian.c
@@ -0,0 +1,158 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2016 Joyent, Inc.
+ */
+
+/*
+ * Test endian(3C).
+ */
+
+#include <sys/types.h>
+#include <endian.h>
+#include <sys/debug.h>
+
+#ifndef BIG_ENDIAN
+#error "Missing BIG_ENDIAN definition"
+#endif
+
+#ifndef LITTLE_ENDIAN
+#error "Missing LITTLE_ENDIAN definition"
+#endif
+
+static void
+endian_fromhost(void)
+{
+	uint16_t val16 = 0x1122;
+	uint32_t val32 = 0x11223344;
+	uint64_t val64 = 0x1122334455667788ULL;
+	uint16_t ebe16, ele16, test16;
+	uint32_t ebe32, ele32, test32;
+	uint64_t ebe64, ele64, test64;
+
+#ifdef	_LITTLE_ENDIAN
+	ebe16 = 0x2211;
+	ebe32 = 0x44332211UL;
+	ebe64 = 0x8877665544332211ULL;
+	ele16 = 0x1122;
+	ele32 = 0x11223344UL;
+	ele64 = 0x1122334455667788ULL;
+#elif	_BIG_ENDIAN
+	ele16 = 0x2211;
+	ele32 = 0x44332211UL;
+	ele64 = 0x8877665544332211ULL;
+	ebe16 = 0x1122;
+	ebe32 = 0x11223344UL;
+	ebe64 = 0x1122334455667788ULL;
+#else
+#error	"Unknown byte order"
+#endif	/* _LITTLE_ENDIAN */
+
+	test16 = htobe16(val16);
+	VERIFY3U(test16, ==, ebe16);
+	test32 = htobe32(val32);
+	VERIFY3U(test32, ==, ebe32);
+	test64 = htobe64(val64);
+	VERIFY3U(test64, ==, ebe64);
+
+	test16 = htole16(val16);
+	VERIFY3U(test16, ==, ele16);
+	test32 = htole32(val32);
+	VERIFY3U(test32, ==, ele32);
+	test64 = htole64(val64);
+	VERIFY3U(test64, ==, ele64);
+}
+
+static void
+endian_frombig(void)
+{
+	uint16_t val16 = 0x1122;
+	uint32_t val32 = 0x11223344;
+	uint64_t val64 = 0x1122334455667788ULL;
+	uint16_t e16, test16;
+	uint32_t e32, test32;
+	uint64_t e64, test64;
+
+#ifdef	_LITTLE_ENDIAN
+	e16 = 0x2211;
+	e32 = 0x44332211UL;
+	e64 = 0x8877665544332211ULL;
+#elif	_BIG_ENDIAN
+	e16 = 0x1122;
+	e32 = 0x11223344UL;
+	e64 = 0x1122334455667788ULL;
+#else
+#error	"Unknown byte order"
+#endif	/* _LITTLE_ENDIAN */
+
+	test16 = be16toh(val16);
+	VERIFY3U(test16, ==, e16);
+	test16 = betoh16(val16);
+	VERIFY3U(test16, ==, e16);
+
+	test32 = be32toh(val32);
+	VERIFY3U(test32, ==, e32);
+	test32 = betoh32(val32);
+	VERIFY3U(test32, ==, e32);
+
+	test64 = be64toh(val64);
+	VERIFY3U(test64, ==, e64);
+	test64 = betoh64(val64);
+	VERIFY3U(test64, ==, e64);
+}
+
+static void
+endian_fromlittle(void)
+{
+	uint16_t val16 = 0x1122;
+	uint32_t val32 = 0x11223344;
+	uint64_t val64 = 0x1122334455667788ULL;
+	uint16_t e16, test16;
+	uint32_t e32, test32;
+	uint64_t e64, test64;
+
+#ifdef	_LITTLE_ENDIAN
+	e16 = 0x1122;
+	e32 = 0x11223344UL;
+	e64 = 0x1122334455667788ULL;
+#elif	_BIG_ENDIAN
+	e16 = 0x2211;
+	e32 = 0x44332211UL;
+	e64 = 0x8877665544332211ULL;
+#else
+#error	"Unknown byte order"
+#endif	/* _LITTLE_ENDIAN */
+
+	test16 = le16toh(val16);
+	VERIFY3U(test16, ==, e16);
+	test16 = letoh16(val16);
+	VERIFY3U(test16, ==, e16);
+
+	test32 = le32toh(val32);
+	VERIFY3U(test32, ==, e32);
+	test32 = letoh32(val32);
+	VERIFY3U(test32, ==, e32);
+
+	test64 = le64toh(val64);
+	VERIFY3U(test64, ==, e64);
+	test64 = letoh64(val64);
+	VERIFY3U(test64, ==, e64);
+}
+
+int
+main(void)
+{
+	endian_fromhost();
+	endian_frombig();
+	endian_fromlittle();
+	return (0);
+}