| /* |
| * Copyright (C) 2010 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: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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. |
| */ |
| |
| #include "third_party/blink/renderer/platform/wtf/pod_arena.h" |
| |
| #include <algorithm> |
| #include "base/memory/scoped_refptr.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/wtf/pod_arena_test_helpers.h" |
| |
| namespace WTF { |
| |
| using arena_test_helpers::TrackedAllocator; |
| |
| namespace { |
| |
| // A couple of simple structs to allocate. |
| struct TestClassXYZW { |
| TestClassXYZW() : x(0), y(0), z(0), w(1) {} |
| |
| float x, y, z, w; |
| }; |
| |
| struct TestClassABCD { |
| TestClassABCD() : a(1), b(2), c(3), d(4) {} |
| |
| float a, b, c, d; |
| }; |
| |
| } // anonymous namespace |
| |
| class PODArenaTest : public testing::Test {}; |
| |
| // Make sure the arena can successfully allocate from more than one |
| // region. |
| TEST_F(PODArenaTest, CanAllocateFromMoreThanOneRegion) { |
| scoped_refptr<TrackedAllocator> allocator = TrackedAllocator::Create(); |
| scoped_refptr<PODArena> arena = PODArena::Create(allocator); |
| int num_iterations = 10 * PODArena::kDefaultChunkSize / sizeof(TestClassXYZW); |
| for (int i = 0; i < num_iterations; ++i) |
| arena->AllocateObject<TestClassXYZW>(); |
| EXPECT_GT(allocator->NumRegions(), 1); |
| } |
| |
| // Make sure the arena frees all allocated regions during destruction. |
| TEST_F(PODArenaTest, FreesAllAllocatedRegions) { |
| scoped_refptr<TrackedAllocator> allocator = TrackedAllocator::Create(); |
| { |
| scoped_refptr<PODArena> arena = PODArena::Create(allocator); |
| for (int i = 0; i < 3; i++) |
| arena->AllocateObject<TestClassXYZW>(); |
| EXPECT_GT(allocator->NumRegions(), 0); |
| } |
| EXPECT_TRUE(allocator->IsEmpty()); |
| } |
| |
| // Make sure the arena runs constructors of the objects allocated within. |
| TEST_F(PODArenaTest, RunsConstructors) { |
| scoped_refptr<PODArena> arena = PODArena::Create(); |
| for (int i = 0; i < 10000; i++) { |
| TestClassXYZW* tc1 = arena->AllocateObject<TestClassXYZW>(); |
| EXPECT_EQ(0, tc1->x); |
| EXPECT_EQ(0, tc1->y); |
| EXPECT_EQ(0, tc1->z); |
| EXPECT_EQ(1, tc1->w); |
| TestClassABCD* tc2 = arena->AllocateObject<TestClassABCD>(); |
| EXPECT_EQ(1, tc2->a); |
| EXPECT_EQ(2, tc2->b); |
| EXPECT_EQ(3, tc2->c); |
| EXPECT_EQ(4, tc2->d); |
| } |
| } |
| |
| } // namespace WTF |