Squashed 'third_party/gperftools/' content from commit 54505f1
Change-Id: Id02e833828732b0efe7dac722b8485279e67c5fa
git-subtree-dir: third_party/gperftools
git-subtree-split: 54505f1d50c2d1f4676f5e87090b64a117fd980e
diff --git a/src/tests/malloc_extension_test.cc b/src/tests/malloc_extension_test.cc
new file mode 100644
index 0000000..31c4968
--- /dev/null
+++ b/src/tests/malloc_extension_test.cc
@@ -0,0 +1,98 @@
+// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
+// Copyright (c) 2008, 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: Craig Silverstein
+//
+// Simple test of malloc_extension. Includes test of C shims.
+
+#include "config_for_unittests.h"
+#include <stdio.h>
+#include <sys/types.h>
+#include "base/logging.h"
+#include <gperftools/malloc_extension.h>
+#include <gperftools/malloc_extension_c.h>
+
+int main(int argc, char** argv) {
+ void* a = malloc(1000);
+
+ size_t cxx_bytes_used, c_bytes_used;
+ ASSERT_TRUE(MallocExtension::instance()->GetNumericProperty(
+ "generic.current_allocated_bytes", &cxx_bytes_used));
+ ASSERT_TRUE(MallocExtension_GetNumericProperty(
+ "generic.current_allocated_bytes", &c_bytes_used));
+ ASSERT_GT(cxx_bytes_used, 1000);
+ ASSERT_EQ(cxx_bytes_used, c_bytes_used);
+
+ ASSERT_TRUE(MallocExtension::instance()->VerifyAllMemory());
+ ASSERT_TRUE(MallocExtension_VerifyAllMemory());
+
+ ASSERT_EQ(MallocExtension::kOwned,
+ MallocExtension::instance()->GetOwnership(a));
+ // TODO(csilvers): this relies on undocumented behavior that
+ // GetOwnership works on stack-allocated variables. Use a better test.
+ ASSERT_EQ(MallocExtension::kNotOwned,
+ MallocExtension::instance()->GetOwnership(&cxx_bytes_used));
+ ASSERT_EQ(MallocExtension::kNotOwned,
+ MallocExtension::instance()->GetOwnership(NULL));
+ ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(a), 1000);
+ // This is just a sanity check. If we allocated too much, tcmalloc is broken
+ ASSERT_LE(MallocExtension::instance()->GetAllocatedSize(a), 5000);
+ ASSERT_GE(MallocExtension::instance()->GetEstimatedAllocatedSize(1000), 1000);
+
+ for (int i = 0; i < 10; ++i) {
+ void *p = malloc(i);
+ ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(p),
+ MallocExtension::instance()->GetEstimatedAllocatedSize(i));
+ free(p);
+ }
+
+ // Check the c-shim version too.
+ ASSERT_EQ(MallocExtension_kOwned, MallocExtension_GetOwnership(a));
+ ASSERT_EQ(MallocExtension_kNotOwned,
+ MallocExtension_GetOwnership(&cxx_bytes_used));
+ ASSERT_EQ(MallocExtension_kNotOwned, MallocExtension_GetOwnership(NULL));
+ ASSERT_GE(MallocExtension_GetAllocatedSize(a), 1000);
+ ASSERT_LE(MallocExtension_GetAllocatedSize(a), 5000);
+ ASSERT_GE(MallocExtension_GetEstimatedAllocatedSize(1000), 1000);
+
+ free(a);
+
+ // Verify that the .cc file and .h file have the same enum values.
+ ASSERT_EQ(static_cast<int>(MallocExtension::kUnknownOwnership),
+ static_cast<int>(MallocExtension_kUnknownOwnership));
+ ASSERT_EQ(static_cast<int>(MallocExtension::kOwned),
+ static_cast<int>(MallocExtension_kOwned));
+ ASSERT_EQ(static_cast<int>(MallocExtension::kNotOwned),
+ static_cast<int>(MallocExtension_kNotOwned));
+
+ printf("DONE\n");
+ return 0;
+}