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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a unittest set for type_profiler_map in third_party/tcmalloc. It is
// independent from other tests and executed manually like allocator_unittests
// since type_profiler_map is a singleton (like TCMalloc's heap-profiler), and
// it requires RTTI and different compiling/linking options from others.
#if defined(TYPE_PROFILING)
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/tcmalloc/chromium/src/gperftools/type_profiler_map.h"
namespace base {
namespace type_profiler {
static const void* const g_const_null = static_cast<const void*>(NULL);
TEST(TypeProfilerMapTest, NormalOperation) {
// Allocate an object just to get a valid address.
// This 'new' is not profiled by type_profiler.
scoped_ptr<int> dummy(new int(48));
const std::type_info* type;
type = LookupType(dummy.get());
EXPECT_EQ(g_const_null, type);
InsertType(dummy.get(), 12, typeid(int));
type = LookupType(dummy.get());
ASSERT_NE(g_const_null, type);
EXPECT_STREQ(typeid(int).name(), type->name());
EraseType(dummy.get());
type = LookupType(dummy.get());
EXPECT_EQ(g_const_null, type);
}
TEST(TypeProfilerMapTest, EraseWithoutInsert) {
scoped_ptr<int> dummy(new int(48));
const std::type_info* type;
for (int i = 0; i < 10; ++i) {
EraseType(dummy.get());
type = LookupType(dummy.get());
EXPECT_EQ(g_const_null, type);
}
}
TEST(TypeProfilerMapTest, InsertThenMultipleErase) {
scoped_ptr<int> dummy(new int(48));
const std::type_info* type;
InsertType(dummy.get(), 12, typeid(int));
type = LookupType(dummy.get());
ASSERT_NE(g_const_null, type);
EXPECT_STREQ(typeid(int).name(), type->name());
for (int i = 0; i < 10; ++i) {
EraseType(dummy.get());
type = LookupType(dummy.get());
EXPECT_EQ(g_const_null, type);
}
}
TEST(TypeProfilerMapTest, MultipleInsertWithoutErase) {
scoped_ptr<int> dummy(new int(48));
const std::type_info* type;
InsertType(dummy.get(), 12, typeid(int));
type = LookupType(dummy.get());
ASSERT_NE(g_const_null, type);
EXPECT_STREQ(typeid(int).name(), type->name());
InsertType(dummy.get(), 5, typeid(char));
type = LookupType(dummy.get());
ASSERT_NE(g_const_null, type);
EXPECT_STREQ(typeid(char).name(), type->name());
InsertType(dummy.get(), 129, typeid(long));
type = LookupType(dummy.get());
ASSERT_NE(g_const_null, type);
EXPECT_STREQ(typeid(long).name(), type->name());
EraseType(dummy.get());
type = LookupType(dummy.get());
EXPECT_EQ(g_const_null, type);
}
} // namespace type_profiler
} // namespace base
#endif // defined(TYPE_PROFILING)
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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