Remove PODIntervalTree and machinery.

sky/engine/platform/PODFreeListArenaTest.cpp

-/*
- * Copyright (C) 2013 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 "config.h"
-#include "platform/PODFreeListArena.h"
-
-#include "platform/testing/ArenaTestHelpers.h"
-#include "wtf/FastMalloc.h"
-#include "wtf/RefPtr.h"
-
-#include <gtest/gtest.h>
-
-namespace blink {
-
-using ArenaTestHelpers::TrackedAllocator;
-
-namespace {
-
-// A couple of simple structs to allocate.
-struct TestClass1 {
-    TestClass1()
-        : x(0), y(0), z(0), w(1) { }
-
-    float x, y, z, w;
-};
-
-struct TestClass2 {
-    TestClass2()
-        : padding(0)
-    {
-        static int TestIds = 0;
-        id = TestIds++;
-    }
-    int id;
-    int padding;
-};
-
-} // anonymous namespace
-
-class PODFreeListArenaTest : public testing::Test {
-protected:
-    int getFreeListSize(const PassRefPtr<PODFreeListArena<TestClass1> > arena) const
-    {
-        return arena->getFreeListSizeForTesting();
-    }
-};
-
-// Make sure the arena can successfully allocate from more than one
-// region.
-TEST_F(PODFreeListArenaTest, CanAllocateFromMoreThanOneRegion)
-{
-    RefPtr<TrackedAllocator> allocator = TrackedAllocator::create();
-    RefPtr<PODFreeListArena<TestClass1> > arena = PODFreeListArena<TestClass1>::create(allocator);
-    int numIterations = 10 * PODArena::DefaultChunkSize / sizeof(TestClass1);
-    for (int i = 0; i < numIterations; ++i)
-        arena->allocateObject();
-    EXPECT_GT(allocator->numRegions(), 1);
-}
-
-// Make sure the arena frees all allocated regions during destruction.
-TEST_F(PODFreeListArenaTest, FreesAllAllocatedRegions)
-{
-    RefPtr<TrackedAllocator> allocator = TrackedAllocator::create();
-    {
-        RefPtr<PODFreeListArena<TestClass1> > arena = PODFreeListArena<TestClass1>::create(allocator);
-        for (int i = 0; i < 3; i++)
-            arena->allocateObject();
-        EXPECT_GT(allocator->numRegions(), 0);
-    }
-    EXPECT_TRUE(allocator->isEmpty());
-}
-
-// Make sure the arena runs constructors of the objects allocated within.
-TEST_F(PODFreeListArenaTest, RunsConstructorsOnNewObjects)
-{
-    RefPtr<PODFreeListArena<TestClass1> > arena = PODFreeListArena<TestClass1>::create();
-    for (int i = 0; i < 10000; i++) {
-        TestClass1* tc1 = arena->allocateObject();
-        EXPECT_EQ(0, tc1->x);
-        EXPECT_EQ(0, tc1->y);
-        EXPECT_EQ(0, tc1->z);
-        EXPECT_EQ(1, tc1->w);
-    }
-}
-
-// Make sure the arena runs constructors of the objects allocated within.
-TEST_F(PODFreeListArenaTest, RunsConstructorsOnReusedObjects)
-{
-    std::set<TestClass1*> objects;
-    RefPtr<PODFreeListArena<TestClass1> > arena = PODFreeListArena<TestClass1>::create();
-    for (int i = 0; i < 100; i++) {
-        TestClass1* tc1 = arena->allocateObject();
-        tc1->x = 100;
-        tc1->y = 101;
-        tc1->z = 102;
-        tc1->w = 103;
-
-        objects.insert(tc1);
-    }
-    for (std::set<TestClass1*>::iterator it = objects.begin(); it != objects.end(); ++it) {
-        arena->freeObject(*it);
-    }
-    for (int i = 0; i < 100; i++) {
-        TestClass1* cur = arena->allocateObject();
-        EXPECT_TRUE(objects.find(cur) != objects.end());
-        EXPECT_EQ(0, cur->x);
-        EXPECT_EQ(0, cur->y);
-        EXPECT_EQ(0, cur->z);
-        EXPECT_EQ(1, cur->w);
-
-        objects.erase(cur);
-    }
-}
-
-// Make sure freeObject puts the object in the free list.
-TEST_F(PODFreeListArenaTest, AddsFreedObjectsToFreedList)
-{
-    std::vector<TestClass1*> objects;
-    RefPtr<PODFreeListArena<TestClass1> > arena = PODFreeListArena<TestClass1>::create();
-    for (int i = 0; i < 100; i++) {
-        objects.push_back(arena->allocateObject());
-    }
-    for (std::vector<TestClass1*>::iterator it = objects.begin(); it != objects.end(); ++it) {
-        arena->freeObject(*it);
-    }
-    EXPECT_EQ(100, getFreeListSize(arena));
-}
-
-// Make sure allocations use previously freed memory.
-TEST_F(PODFreeListArenaTest, ReusesPreviouslyFreedObjects)
-{
-    std::set<TestClass2*> objects;
-    RefPtr<PODFreeListArena<TestClass2> > arena = PODFreeListArena<TestClass2>::create();
-    for (int i = 0; i < 100; i++) {
-        objects.insert(arena->allocateObject());
-    }
-    for (std::set<TestClass2*>::iterator it = objects.begin(); it != objects.end(); ++it) {
-        arena->freeObject(*it);
-    }
-    for (int i = 0; i < 100; i++) {
-        TestClass2* cur = arena->allocateObject();
-        EXPECT_TRUE(objects.find(cur) != objects.end());
-        EXPECT_TRUE(cur->id >= 100 && cur->id < 200);
-        objects.erase(cur);
-    }
-}
-
-} // namespace blink