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// Copyright (c) 2009, 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:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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 "breakpad_googletest_includes.h"
#include "common/memory_allocator.h"
using namespace google_breakpad;
namespace {
typedef testing::Test PageAllocatorTest;
}
TEST(PageAllocatorTest, Setup) {
PageAllocator allocator;
EXPECT_EQ(0U, allocator.pages_allocated());
}
TEST(PageAllocatorTest, SmallObjects) {
PageAllocator allocator;
EXPECT_EQ(0U, allocator.pages_allocated());
for (unsigned i = 1; i < 1024; ++i) {
uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
ASSERT_FALSE(p == NULL);
memset(p, 0, i);
}
}
TEST(PageAllocatorTest, LargeObject) {
PageAllocator allocator;
EXPECT_EQ(0U, allocator.pages_allocated());
uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(10000));
ASSERT_FALSE(p == NULL);
EXPECT_EQ(3U, allocator.pages_allocated());
for (unsigned i = 1; i < 10; ++i) {
uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
ASSERT_FALSE(p == NULL);
memset(p, 0, i);
}
}
namespace {
typedef testing::Test WastefulVectorTest;
}
TEST(WastefulVectorTest, Setup) {
PageAllocator allocator_;
wasteful_vector<int> v(&allocator_);
ASSERT_TRUE(v.empty());
ASSERT_EQ(v.size(), 0u);
}
TEST(WastefulVectorTest, Simple) {
PageAllocator allocator_;
EXPECT_EQ(0U, allocator_.pages_allocated());
wasteful_vector<unsigned> v(&allocator_);
for (unsigned i = 0; i < 256; ++i) {
v.push_back(i);
ASSERT_EQ(i, v.back());
ASSERT_EQ(&v.back(), &v[i]);
}
ASSERT_FALSE(v.empty());
ASSERT_EQ(v.size(), 256u);
EXPECT_EQ(1U, allocator_.pages_allocated());
for (unsigned i = 0; i < 256; ++i)
ASSERT_EQ(v[i], i);
}
TEST(WastefulVectorTest, UsesPageAllocator) {
PageAllocator allocator_;
wasteful_vector<unsigned> v(&allocator_);
EXPECT_EQ(1U, allocator_.pages_allocated());
v.push_back(1);
ASSERT_TRUE(allocator_.OwnsPointer(&v[0]));
}
TEST(WastefulVectorTest, AutoWastefulVector) {
PageAllocator allocator_;
EXPECT_EQ(0U, allocator_.pages_allocated());
auto_wasteful_vector<unsigned, 4> v(&allocator_);
EXPECT_EQ(0U, allocator_.pages_allocated());
v.push_back(1);
EXPECT_EQ(0U, allocator_.pages_allocated());
EXPECT_FALSE(allocator_.OwnsPointer(&v[0]));
v.resize(4);
EXPECT_EQ(0U, allocator_.pages_allocated());
EXPECT_FALSE(allocator_.OwnsPointer(&v[0]));
v.resize(10);
EXPECT_EQ(1U, allocator_.pages_allocated());
EXPECT_TRUE(allocator_.OwnsPointer(&v[0]));
}
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