v8/test/unittests/test-utils.h
jochen cb7aa79b12 Expose a lower bound of malloc'd memory via heap statistics
We expect that the majority of malloc'd memory held by V8 is allocated
in Zone objects. Introduce an Allocator class that is used by Zones to
manage memory, and allows for querying the current usage.

BUG=none
R=titzer@chromium.org,bmeurer@chromium.org,jarin@chromium.org
LOG=n
TBR=rossberg@chromium.org

Review URL: https://codereview.chromium.org/1847543002

Cr-Commit-Position: refs/heads/master@{#35196}
2016-04-01 10:01:56 +00:00

127 lines
2.6 KiB
C++

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_UNITTESTS_TEST_UTILS_H_
#define V8_UNITTESTS_TEST_UTILS_H_
#include "include/v8.h"
#include "src/base/macros.h"
#include "src/base/utils/random-number-generator.h"
#include "src/zone.h"
#include "testing/gtest-support.h"
namespace v8 {
class ArrayBufferAllocator;
class TestWithIsolate : public virtual ::testing::Test {
public:
TestWithIsolate();
virtual ~TestWithIsolate();
Isolate* isolate() const { return isolate_; }
static void SetUpTestCase();
static void TearDownTestCase();
private:
static ArrayBufferAllocator* array_buffer_allocator_;
static Isolate* isolate_;
Isolate::Scope isolate_scope_;
HandleScope handle_scope_;
DISALLOW_COPY_AND_ASSIGN(TestWithIsolate);
};
class TestWithContext : public virtual TestWithIsolate {
public:
TestWithContext();
virtual ~TestWithContext();
const Local<Context>& context() const { return context_; }
private:
Local<Context> context_;
Context::Scope context_scope_;
DISALLOW_COPY_AND_ASSIGN(TestWithContext);
};
namespace base {
class TestWithRandomNumberGenerator : public ::testing::Test {
public:
TestWithRandomNumberGenerator();
virtual ~TestWithRandomNumberGenerator();
RandomNumberGenerator* rng() { return &rng_; }
private:
RandomNumberGenerator rng_;
DISALLOW_COPY_AND_ASSIGN(TestWithRandomNumberGenerator);
};
} // namespace base
namespace internal {
// Forward declarations.
class Factory;
class TestWithIsolate : public virtual ::v8::TestWithIsolate {
public:
TestWithIsolate() {}
virtual ~TestWithIsolate();
Factory* factory() const;
Isolate* isolate() const {
return reinterpret_cast<Isolate*>(::v8::TestWithIsolate::isolate());
}
base::RandomNumberGenerator* random_number_generator() const;
private:
DISALLOW_COPY_AND_ASSIGN(TestWithIsolate);
};
class TestWithZone : public virtual ::testing::Test {
public:
TestWithZone() : zone_(&allocator_) {}
virtual ~TestWithZone();
Zone* zone() { return &zone_; }
private:
base::AccountingAllocator allocator_;
Zone zone_;
DISALLOW_COPY_AND_ASSIGN(TestWithZone);
};
class TestWithIsolateAndZone : public virtual TestWithIsolate {
public:
TestWithIsolateAndZone() : zone_(&allocator_) {}
virtual ~TestWithIsolateAndZone();
Zone* zone() { return &zone_; }
private:
base::AccountingAllocator allocator_;
Zone zone_;
DISALLOW_COPY_AND_ASSIGN(TestWithIsolateAndZone);
};
} // namespace internal
} // namespace v8
#endif // V8_UNITTESTS_TEST_UTILS_H_