skia2/tests/DiscardableMemoryTest.cpp
Hal Canary 788c3c467a SkDiscardableMemoryPool: always have a mutex for testing
Change-Id: I898058f1125f62832f2b2b661c661efb0f84da6d
Reviewed-on: https://skia-review.googlesource.com/14274
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Herb Derby <herb@google.com>
2017-05-05 15:10:13 +00:00

61 lines
1.6 KiB
C++

/*
* 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 "SkDiscardableMemoryPool.h"
#include "Test.h"
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);
}