asiva@google.com
a02f310d91
--trace-zone and trace-handles Review URL: https://codereview.chromium.org//11879005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17001 260f80e4-7a28-3924-810f-c04153c831b5
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "vm/flags.h"
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#include "vm/handles.h"
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#include "vm/heap.h"
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#include "vm/object.h"
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#include "vm/unit_test.h"
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#include "vm/zone.h"
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namespace dart {
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DECLARE_DEBUG_FLAG(bool, trace_handles);
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// Unit test for Zone handle allocation.
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TEST_CASE(AllocateZoneHandle) {
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#if defined(DEBUG)
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FLAG_trace_handles = true;
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#endif
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// The previously run stub code generation may have created zone handles.
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int initial_count = VMHandles::ZoneHandleCount();
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static const int kNumHandles = 65;
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// Create some zone handles.
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for (int i = 0; i < kNumHandles; i++) {
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const Smi& handle = Smi::ZoneHandle(Smi::New(i));
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EXPECT(handle.IsSmi());
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EXPECT_EQ(i, handle.Value());
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}
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EXPECT_EQ(kNumHandles + initial_count, VMHandles::ZoneHandleCount());
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// Create some more zone handles.
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for (int i = kNumHandles; i < (2 * kNumHandles); i++) {
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const Smi& handle = Smi::ZoneHandle(Smi::New(i));
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EXPECT(handle.IsSmi());
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EXPECT_EQ(i, handle.Value());
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}
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EXPECT_EQ((2 * kNumHandles) + initial_count, VMHandles::ZoneHandleCount());
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}
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// Unit test for Scope handle allocation.
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TEST_CASE(AllocateScopeHandle) {
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#if defined(DEBUG)
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FLAG_trace_handles = true;
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#endif
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int32_t handle_count = VMHandles::ScopedHandleCount();
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static const int kNumHandles = 65;
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// Create some scoped handles.
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{
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Isolate* isolate = Isolate::Current();
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HANDLESCOPE(isolate);
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for (int i = 0; i < kNumHandles; i++) {
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const Smi& handle = Smi::Handle(Smi::New(i));
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EXPECT(handle.IsSmi());
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EXPECT_EQ(i, handle.Value());
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}
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EXPECT_EQ((handle_count + kNumHandles), VMHandles::ScopedHandleCount());
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// Create lots of scoped handles in a loop with a nested scope.
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for (int loop = 0; loop < 1000; loop++) {
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HANDLESCOPE(isolate);
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for (int i = 0; i < 2; i++) {
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const Smi& handle = Smi::Handle(Smi::New(i + loop));
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EXPECT(handle.IsSmi());
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EXPECT_EQ(i + loop, handle.Value());
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}
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EXPECT_EQ((handle_count + kNumHandles + 2),
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VMHandles::ScopedHandleCount());
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}
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EXPECT_EQ((handle_count + kNumHandles), VMHandles::ScopedHandleCount());
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for (int i = 0; i < kNumHandles; i++) {
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const Smi& handle = Smi::Handle(Smi::New(i));
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EXPECT(handle.IsSmi());
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EXPECT_EQ(i, handle.Value());
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}
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EXPECT_EQ((handle_count + (2 * kNumHandles)),
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VMHandles::ScopedHandleCount());
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}
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EXPECT_EQ(handle_count, VMHandles::ScopedHandleCount());
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}
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} // namespace dart
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