util: Add a SHA1 unit test program

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

src/util/Makefile.am

@@ -68,8 +68,9 @@ sysconf_DATA = drirc
 
 u_atomic_test_LDADD = libmesautil.la
 roundeven_test_LDADD = -lm
+mesa_sha1_test_LDADD = libmesautil.la
 
-check_PROGRAMS = u_atomic_test roundeven_test
+check_PROGRAMS = u_atomic_test roundeven_test mesa-sha1_test
 TESTS = $(check_PROGRAMS)
 
 BUILT_SOURCES = $(MESA_UTIL_GENERATED_FILES)

src/util/mesa-sha1_test.c

@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include "macros.h"
+#include "mesa-sha1.h"
+
+#define SHA1_LENGTH 40
+
+int main(int argc, char *argv[])
+{
+   static const struct {
+      const char *string;
+      const char *sha1;
+   } test_data[] = {
+      {"Mesa Rocks! 273", "7fb99737373d65a73f049cdabc01e73aa6bc60f3"},
+      {"Mesa Rocks! 300", "b2180263e37d3bed6a4be0afe41b1a82ebbcf4c3"},
+      {"Mesa Rocks! 583", "7fb9734108a62503e8a149c1051facd7fb112d05"},
+   };
+
+   bool failed = false;
+   int i;
+
+   for (i = 0; i < ARRAY_SIZE(test_data); i++) {
+      unsigned char sha1[20];
+      _mesa_sha1_compute(test_data[i].string, strlen(test_data[i].string),
+                         sha1);
+
+      char buf[41];
+      _mesa_sha1_format(buf, sha1);
+
+      if (memcmp(test_data[i].sha1, buf, SHA1_LENGTH) != 0) {
+         printf("For string \"%s\", length %zu:\n"
+                "\tExpected: %s\n\t     Got: %s\n",
+                test_data[i].string, strlen(test_data[i].string),
+                test_data[i].sha1, buf);
+         failed = true;
+      }
+   }
+
+   return failed;
+}