1 files changed, 61 insertions, 0 deletions
diff --git a/usr/klibc/tests/inet_aton.c b/usr/klibc/tests/inet_aton.c
new file mode 100644
index 0000000000000..282a96b0b9c03
--- /dev/null
+++ b/usr/klibc/tests/inet_aton.c
@@ -0,0 +1,61 @@
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+static unsigned int failures;
+
+static void report(const char *str, bool result)
+{
+	printf("\"%s\": %s\n", str, result ? "PASS" : "FAIL");
+	if (!result)
+		++failures;
+}
+
+static void test_good(const char *str, uint32_t exp)
+{
+	struct in_addr addr;
+	int ret;
+
+	ret = inet_aton(str, &addr);
+	report(str, ret == 1 && addr.s_addr == htonl(exp));
+}
+
+static void test_bad(const char *str)
+{
+	struct in_addr addr;
+	int ret;
+
+	ret = inet_aton(str, &addr);
+	report(str, ret == 0);
+}
+
+int main(void)
+{
+	test_good("0.0.0.0", 0);
+	test_good("255.255.255.255", 0xffffffff);
+	test_good("127.0.0.1", 0x7f000001);
+
+	test_bad("");
+	test_bad("0.0.0.");
+	test_bad(".0.0.0");
+	test_bad("0..0.0");
+	test_bad("1.2.3.256");
+	test_bad("256.1.2.3");
+	test_bad("-1.2.3.4");
+	test_bad("1.2.3.-4");
+	test_bad("\xb1.2.3.4");
+	test_bad(" 1.2.3.4");
+	test_bad("1 .2.3.4");
+	test_bad("1. 2.3.4");
+	test_bad("1.2.3.4 ");
+	/* XXX We should maybe support these formats in inet_aton(),
+	 * but not in inet_pton() */
+	test_bad("1");
+	test_bad("1.2");
+	test_bad("1.2.3");
+	test_bad("0x1.2.3.4");
+	test_bad("1.2.3.0x4");
+
+	return failures != 0;
+}