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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkDiscardableMemory.h"
#include "SkDiscardableMemoryPool.h"
#include "SkRefCnt.h"
#include "Test.h"
#include <cstring>
#include <memory>
namespace {
constexpr char kTestString[] = "HELLO, WORLD!";
constexpr size_t kTestStringLength = sizeof(kTestString);
}
static void test_dm(skiatest::Reporter* reporter,
SkDiscardableMemory* dm,
bool assertRelock) {
REPORTER_ASSERT(reporter, dm);
if (!dm) {
return;
}
void* ptr = dm->data();
REPORTER_ASSERT(reporter, ptr);
if (!ptr) {
return;
}
memcpy(ptr, kTestString, sizeof(kTestString));
dm->unlock();
bool relockSuccess = dm->lock();
if (assertRelock) {
REPORTER_ASSERT(reporter, relockSuccess);
}
if (!relockSuccess) {
return;
}
ptr = dm->data();
REPORTER_ASSERT(reporter, ptr);
if (!ptr) {
return;
}
REPORTER_ASSERT(reporter, 0 == memcmp(ptr, kTestString, kTestStringLength));
dm->unlock();
}
DEF_TEST(DiscardableMemory_global, reporter) {
std::unique_ptr<SkDiscardableMemory> dm(SkDiscardableMemory::Create(kTestStringLength));
// lock() test is allowed to fail, since other threads could be
// using global pool.
test_dm(reporter, dm.get(), false);
}
DEF_TEST(DiscardableMemory_nonglobal, reporter) {
sk_sp<SkDiscardableMemoryPool> pool(
SkDiscardableMemoryPool::Make(1024));
std::unique_ptr<SkDiscardableMemory> dm(pool->create(kTestStringLength));
test_dm(reporter, dm.get(), true);
}
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