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106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "platform/PODArena.h"
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#include "platform/testing/ArenaTestHelpers.h"
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#include "wtf/FastMalloc.h"
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#include "wtf/RefPtr.h"
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#include <algorithm>
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#include <gtest/gtest.h>
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namespace blink {
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using ArenaTestHelpers::TrackedAllocator;
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namespace {
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// A couple of simple structs to allocate.
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struct TestClass1 {
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TestClass1()
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: x(0), y(0), z(0), w(1) { }
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float x, y, z, w;
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};
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struct TestClass2 {
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TestClass2()
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: a(1), b(2), c(3), d(4) { }
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float a, b, c, d;
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};
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} // anonymous namespace
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class PODArenaTest : public testing::Test {
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};
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// Make sure the arena can successfully allocate from more than one
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// region.
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TEST_F(PODArenaTest, CanAllocateFromMoreThanOneRegion)
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{
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RefPtr<TrackedAllocator> allocator = TrackedAllocator::create();
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RefPtr<PODArena> arena = PODArena::create(allocator);
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int numIterations = 10 * PODArena::DefaultChunkSize / sizeof(TestClass1);
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for (int i = 0; i < numIterations; ++i)
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arena->allocateObject<TestClass1>();
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EXPECT_GT(allocator->numRegions(), 1);
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}
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// Make sure the arena frees all allocated regions during destruction.
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TEST_F(PODArenaTest, FreesAllAllocatedRegions)
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{
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RefPtr<TrackedAllocator> allocator = TrackedAllocator::create();
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{
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RefPtr<PODArena> arena = PODArena::create(allocator);
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for (int i = 0; i < 3; i++)
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arena->allocateObject<TestClass1>();
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EXPECT_GT(allocator->numRegions(), 0);
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}
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EXPECT_TRUE(allocator->isEmpty());
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}
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// Make sure the arena runs constructors of the objects allocated within.
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TEST_F(PODArenaTest, RunsConstructors)
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{
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RefPtr<PODArena> arena = PODArena::create();
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for (int i = 0; i < 10000; i++) {
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TestClass1* tc1 = arena->allocateObject<TestClass1>();
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EXPECT_EQ(0, tc1->x);
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EXPECT_EQ(0, tc1->y);
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EXPECT_EQ(0, tc1->z);
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EXPECT_EQ(1, tc1->w);
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TestClass2* tc2 = arena->allocateObject<TestClass2>();
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EXPECT_EQ(1, tc2->a);
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EXPECT_EQ(2, tc2->b);
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EXPECT_EQ(3, tc2->c);
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EXPECT_EQ(4, tc2->d);
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}
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}
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} // namespace blink
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