From d918d4bc563aceaa2d45b9c38bf27c0dfbef393b Mon Sep 17 00:00:00 2001
From: David Malcolm <dmalcolm@redhat.com>
Date: Wed, 10 Jun 2015 10:37:21 -0400
Subject: [PATCH 14/16] Add test-tree.c to unittests

gcc/testsuite/ChangeLog:
	* unittests/test-tree.c: New file.
---
 gcc/testsuite/unittests/test-tree.c | 101 ++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 gcc/testsuite/unittests/test-tree.c

diff --git a/gcc/testsuite/unittests/test-tree.c b/gcc/testsuite/unittests/test-tree.c
new file mode 100644
index 0000000..39754af
--- /dev/null
+++ b/gcc/testsuite/unittests/test-tree.c
@@ -0,0 +1,101 @@
+/* Unit tests for GCC's tree types.
+   Copyright (C) 2015 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 "gtest/gtest.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "opts.h"
+#include "signop.h"
+#include "hash-set.h"
+#include "fixed-value.h"
+#include "alias.h"
+#include "flags.h"
+#include "symtab.h"
+#include "tree-core.h"
+#include "stor-layout.h"
+#include "tree.h"
+#include "stringpool.h"
+#include "stor-layout.h"
+#include "rtl.h"
+#include "predict.h"
+#include "vec.h"
+#include "hashtab.h"
+#include "hash-set.h"
+#include "machmode.h"
+#include "hard-reg-set.h"
+#include "input.h"
+#include "function.h"
+#include "dominance.h"
+#include "cfg.h"
+#include "cfganal.h"
+#include "basic-block.h"
+#include "tree-ssa-alias.h"
+#include "internal-fn.h"
+#include "gimple-fold.h"
+#include "gimple-expr.h"
+#include "toplev.h"
+#include "print-tree.h"
+#include "tree-iterator.h"
+#include "gimplify.h"
+#include "tree-cfg.h"
+#include "fold-const.h"
+
+namespace {
+
+/* Verify that integer constants are sane.  */
+
+TEST (tree_test, integer_constants)
+{
+  ASSERT_TRUE (integer_type_node != NULL);
+  EXPECT_TRUE (build_int_cst (integer_type_node, 0) != NULL);
+
+  tree type = integer_type_node;
+
+  tree zero = build_zero_cst (type);
+  EXPECT_EQ (INTEGER_CST, TREE_CODE (zero));
+  EXPECT_EQ (type, TREE_TYPE (zero));
+
+  tree one = build_int_cst (type, 1);
+  EXPECT_EQ (INTEGER_CST, TREE_CODE (one));
+  EXPECT_EQ (type, TREE_TYPE (zero));
+}
+
+/* Verify identifiers.  */
+
+TEST (tree_test, identifiers)
+{
+  tree identifier = get_identifier ("foo");
+  EXPECT_EQ (3, IDENTIFIER_LENGTH (identifier));
+  EXPECT_STREQ ("foo", IDENTIFIER_POINTER (identifier));
+}
+
+/* Verify LABEL_DECL.  */
+
+TEST (tree_test, labels)
+{
+  tree identifier = get_identifier ("err");
+  tree label_decl = build_decl (UNKNOWN_LOCATION, LABEL_DECL,
+				identifier, void_type_node);
+  EXPECT_EQ (-1, LABEL_DECL_UID (label_decl));
+  EXPECT_FALSE (FORCED_LABEL (label_decl));
+}
+
+}  // anon namespace
-- 
1.8.5.3