1 files changed, 69 insertions, 0 deletions
diff --git a/gcc/hash-set-tests.c b/gcc/hash-set-tests.c
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+++ b/gcc/hash-set-tests.c
@@ -0,0 +1,69 @@
+/* Unit tests for hash-set.h.
+   Copyright (C) 2015-2016 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "opts.h"
+#include "signop.h"
+#include "hash-set.h"
+#include "selftest.h"
+
+#if CHECKING_P
+
+namespace selftest {
+
+/* Construct a hash_set <const char *> and verify that various operations
+   work correctly.  */
+
+static void
+test_set_of_strings ()
+{
+  hash_set <const char *> s;
+  ASSERT_EQ (0, s.elements ());
+
+  const char *red = "red";
+  const char *green = "green";
+  const char *blue = "blue";
+
+  ASSERT_EQ (false, s.contains (red));
+
+  /* Populate the hash_set.  */
+  ASSERT_EQ (false, s.add (red));
+  ASSERT_EQ (false, s.add (green));
+  ASSERT_EQ (false, s.add (blue));
+
+  /* Verify that the values are now within the set.  */
+  ASSERT_EQ (true, s.contains (red));
+  ASSERT_EQ (true, s.contains (green));
+  ASSERT_EQ (true, s.contains (blue));
+}
+
+/* Run all of the selftests within this file.  */
+
+void
+hash_set_tests_c_tests ()
+{
+  test_set_of_strings ();
+}
+
+} // namespace selftest
+
+#endif /* #if CHECKING_P */