r300g/tests: Exit test runner with a valid status code

This way make check can report whether or not the tests pass.

NOTE: This is a candidate for the stable branches.

Reviewed-by: Marek Olšák <maraeo@gmail.com>

src/gallium/drivers/r300/compiler/tests/r300_compiler_tests.c

@@ -27,7 +27,17 @@
 
 #include "r300_compiler_tests.h"
 
+#include <stdlib.h>
+
 int main(int argc, char ** argv)
 {
-	radeon_compiler_util_run_tests();
+	unsigned pass = 1;
+	pass &= radeon_compiler_optimize_run_tests();
+	pass &= radeon_compiler_util_run_tests();
+
+	if (pass) {
+		return EXIT_SUCCESS;
+	} else {
+		return EXIT_FAILURE;
+	}
 }

src/gallium/drivers/r300/compiler/tests/r300_compiler_tests.h

@@ -25,4 +25,5 @@
  *
  */
 
-void radeon_compiler_util_run_tests(void);
+unsigned radeon_compiler_optimize_run_tests(void);
+unsigned radeon_compiler_util_run_tests(void);

src/gallium/drivers/r300/compiler/tests/radeon_compiler_util_tests.c

@@ -94,11 +94,11 @@ static void test_runner_rc_inst_can_use_presub(struct test_result * result)
 		"MAD temp[0].xyz, temp[2].xyz_, -temp[3].xxx_, input[5].xyz_;");
 }
 
-void radeon_compiler_util_run_tests()
+unsigned radeon_compiler_util_run_tests()
 {
 	struct test tests[] = {
 		{"rc_inst_can_use_presub()", test_runner_rc_inst_can_use_presub},
 		{NULL, NULL}
 	};
-	run_tests(tests);
+	return run_tests(tests);
 }

src/gallium/drivers/r300/compiler/tests/unit_test.c

@@ -31,16 +31,21 @@
 
 #include "unit_test.h"
 
-void run_tests(struct test tests[])
+unsigned run_tests(struct test tests[])
 {
 	int i;
+	unsigned pass = 1;
 	for (i = 0; tests[i].name; i++) {
 		printf("Test %s\n", tests[i].name);
 		memset(&tests[i].result, 0, sizeof(tests[i].result));
 		tests[i].test_func(&tests[i].result);
 		printf("Test %s (%d/%d) pass\n", tests[i].name,
 			tests[i].result.pass, tests[i].result.test_count);
+		if (tests[i].result.pass != tests[i].result.test_count) {
+			pass = 0;
+		}
 	}
+	return pass;
 }
 
 void test_begin(struct test_result * result)

src/gallium/drivers/r300/compiler/tests/unit_test.h

@@ -37,7 +37,7 @@ struct test {
 	struct test_result result;
 };
 
-void run_tests(struct test tests[]);
+unsigned run_tests(struct test tests[]);
 
 void test_begin(struct test_result * result);
 void test_check(struct test_result * result, int cond);