Add selftests to selftest.c

gcc/ChangeLog:
	* selftest-run-tests.c (selftest::run_tests): Call selftest_c_tests.
	* selftest.c (selftest::test_assertions): New function.
	(selftest::selftest_c_tests): New function.
	* selftest.h (selftest::selftest_c_tests): New declaration.

From-SVN: r239397

gcc/ChangeLog

+2016-08-11  David Malcolm  <dmalcolm@redhat.com>
+
+	* selftest-run-tests.c (selftest::run_tests): Call selftest_c_tests.
+	* selftest.c (selftest::test_assertions): New function.
+	(selftest::selftest_c_tests): New function.
+	* selftest.h (selftest::selftest_c_tests): New declaration.
+
 2016-08-11  Richard Biener  <rguenther@suse.de>
 	    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 

gcc/selftest-run-tests.c

@@ -42,6 +42,9 @@ selftest::run_tests ()
   /* Run all the tests, in hand-coded order of (approximate) dependencies:
      run the tests for lowest-level code first.  */
 
+  /* Sanity-check for selftests themselves.  */
+  selftest_c_tests ();
+
   /* Low-level data structures.  */
   bitmap_c_tests ();
   et_forest_c_tests ();

gcc/selftest.c

@@ -88,4 +88,32 @@ selftest::assert_streq (const location &loc,
 }
 
 
+/* Selftests for the selftest system itself.  */
+
+namespace selftest {
+
+/* Sanity-check the ASSERT_ macros with various passing cases.  */
+
+static void
+test_assertions ()
+{
+  ASSERT_TRUE (true);
+  ASSERT_FALSE (false);
+  ASSERT_EQ (1, 1);
+  ASSERT_EQ_AT (SELFTEST_LOCATION, 1, 1);
+  ASSERT_NE (1, 2);
+  ASSERT_STREQ ("test", "test");
+  ASSERT_STREQ_AT (SELFTEST_LOCATION, "test", "test");
+}
+
+/* Run all of the selftests within this file.  */
+
+void
+selftest_c_tests ()
+{
+  test_assertions ();
+}
+
+} // namespace selftest
+
 #endif /* #if CHECKING_P */

gcc/selftest.h

@@ -85,6 +85,7 @@ extern void hash_set_tests_c_tests ();
 extern void input_c_tests ();
 extern void pretty_print_c_tests ();
 extern void rtl_tests_c_tests ();
+extern void selftest_c_tests ();
 extern void spellcheck_c_tests ();
 extern void spellcheck_tree_c_tests ();
 extern void sreal_c_tests ();