Fix Mac test failure

[platform/upstream/glog.git] / src / demangle_unittest.cc

diff --git a/src/demangle_unittest.cc b/src/demangle_unittest.cc
index 67acd24..9d219e6 100644 (file)
--- a/src/demangle_unittest.cc
+++ b/src/demangle_unittest.cc
@@ -1,8 +1,38 @@
-// Copyright 2006 Google Inc. All Rights Reserved.
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
 // Author: Satoru Takabayashi
 //
 // Unit tests for functions in demangle.c.
 
+#include "utilities.h"
+
 #include <iostream>
 #include <fstream>
 #include <string>
@@ -11,7 +41,8 @@
 #include "googletest.h"
 #include "config.h"
 
-DEFINE_bool(demangle_filter, false, "Run demangle_unittest in filter mode");
+GLOG_DEFINE_bool(demangle_filter, false,
+                 "Run demangle_unittest in filter mode");
 
 using namespace std;
 using namespace GOOGLE_NAMESPACE;
@@ -40,6 +71,32 @@ TEST(Demangle, CornerCases) {
   EXPECT_FALSE(Demangle("_Z6foobarv", NULL, 0));  // Should not cause SEGV.
 }
 
+// Test handling of functions suffixed with .clone.N, which is used by GCC
+// 4.5.x, and .constprop.N and .isra.N, which are used by GCC 4.6.x.  These
+// suffixes are used to indicate functions which have been cloned during
+// optimization.  We ignore these suffixes.
+TEST(Demangle, Clones) {
+  char tmp[20];
+  EXPECT_TRUE(Demangle("_ZL3Foov", tmp, sizeof(tmp)));
+  EXPECT_STREQ("Foo()", tmp);
+  EXPECT_TRUE(Demangle("_ZL3Foov.clone.3", tmp, sizeof(tmp)));
+  EXPECT_STREQ("Foo()", tmp);
+  EXPECT_TRUE(Demangle("_ZL3Foov.constprop.80", tmp, sizeof(tmp)));
+  EXPECT_STREQ("Foo()", tmp);
+  EXPECT_TRUE(Demangle("_ZL3Foov.isra.18", tmp, sizeof(tmp)));
+  EXPECT_STREQ("Foo()", tmp);
+  EXPECT_TRUE(Demangle("_ZL3Foov.isra.2.constprop.18", tmp, sizeof(tmp)));
+  EXPECT_STREQ("Foo()", tmp);
+  // Invalid (truncated), should not demangle.
+  EXPECT_FALSE(Demangle("_ZL3Foov.clo", tmp, sizeof(tmp)));
+  // Invalid (.clone. not followed by number), should not demangle.
+  EXPECT_FALSE(Demangle("_ZL3Foov.clone.", tmp, sizeof(tmp)));
+  // Invalid (.clone. followed by non-number), should not demangle.
+  EXPECT_FALSE(Demangle("_ZL3Foov.clone.foo", tmp, sizeof(tmp)));
+  // Invalid (.constprop. not followed by number), should not demangle.
+  EXPECT_FALSE(Demangle("_ZL3Foov.isra.2.constprop.", tmp, sizeof(tmp)));
+}
+
 TEST(Demangle, FromFile) {
   string test_file = FLAGS_test_srcdir + "/src/demangle_unittest.txt";
   ifstream f(test_file.c_str());  // The file should exist.
@@ -65,6 +122,8 @@ int main(int argc, char **argv) {
 #ifdef HAVE_LIB_GFLAGS
   ParseCommandLineFlags(&argc, &argv, true);
 #endif
+  InitGoogleTest(&argc, argv);
+
   FLAGS_logtostderr = true;
   InitGoogleLogging(argv[0]);
   if (FLAGS_demangle_filter) {