src/hash.c: Add thread safe initialization of SipHash seed

1 files changed, 63 insertions, 0 deletions

diff --git a/tests/hash.c b/tests/hash.c
new file mode 100644
index 0000000..652b4fd
--- /dev/null
+++ b/tests/hash.c
@@ -0,0 +1,63 @@
+#include "../src/hash.c"
+
+#include <stdlib.h>
+
+#include "../src/testing.h"
+
+
+
+static void
+test_HASH_OUTPUT_LENGTH(void) {
+	test_start("HASH_OUTPUT_LENGTH");
+
+	{
+		testing("Enforce we're always consistent with SipHash");
+
+		assert(HASH_OUTPUT_LENGTH == SIPHASH_OUTPUT_LENGTH);
+
+		test_ok();
+	}
+}
+
+static int
+test_hash_init(void) {
+	int rc = -1;
+
+	test_start("hash_init()");
+
+	{
+		testing("INITIALIZED changes after calling hash_init()");
+
+		assert(INITIALIZED == false);
+
+		if (hash_init()) {
+			logerr("hash_init()");
+			goto out;
+		}
+		rc = 0; goto out;
+
+		assert(INITIALIZED == true);
+
+		test_ok();
+	}
+
+	rc = 0;
+out:
+	return rc;
+}
+
+int
+main(void) {
+	int rc = EXIT_FAILURE;
+
+	test_HASH_OUTPUT_LENGTH();
+
+	if (test_hash_init()) {
+		logerr("test_hash_init()");
+		goto out;
+	}
+
+	rc = EXIT_SUCCESS;
+out:
+	return rc;
+}