skia2/tests/RefCntTest.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#include "Test.h"
#include "SkRefCnt.h"
#include "SkThreadUtils.h"
#include "SkWeakRefCnt.h"
#include "SkTRefArray.h"
///////////////////////////////////////////////////////////////////////////////
class InstCounterClass {
public:
InstCounterClass() { fCount = gInstCounter++; }
InstCounterClass(const InstCounterClass& src) {
fCount = src.fCount;
gInstCounter += 1;
}
virtual ~InstCounterClass() { gInstCounter -= 1; }
static int gInstCounter;
int fCount;
};
int InstCounterClass::gInstCounter;
static void test_refarray(skiatest::Reporter* reporter) {
REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
const int N = 10;
SkTRefArray<InstCounterClass>* array = SkTRefArray<InstCounterClass>::Create(N);
REPORTER_ASSERT(reporter, 1 == array->getRefCnt());
REPORTER_ASSERT(reporter, N == array->count());
REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
array->unref();
REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
// Now test the copy factory
int i;
InstCounterClass* src = new InstCounterClass[N];
REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
for (i = 0; i < N; ++i) {
REPORTER_ASSERT(reporter, i == src[i].fCount);
}
array = SkTRefArray<InstCounterClass>::Create(src, N);
REPORTER_ASSERT(reporter, 1 == array->getRefCnt());
REPORTER_ASSERT(reporter, N == array->count());
REPORTER_ASSERT(reporter, 2*N == InstCounterClass::gInstCounter);
for (i = 0; i < N; ++i) {
REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
}
delete[] src;
REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
for (i = 0; i < N; ++i) {
REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
}
array->unref();
REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
}
static void bounce_ref(void* data) {
SkRefCnt* ref = static_cast<SkRefCnt*>(data);
for (int i = 0; i < 100000; ++i) {
ref->ref();
ref->unref();
}
}
static void test_refCnt(skiatest::Reporter* reporter) {
SkRefCnt* ref = new SkRefCnt();
SkThread thing1(bounce_ref, ref);
SkThread thing2(bounce_ref, ref);
thing1.setProcessorAffinity(0);
thing2.setProcessorAffinity(23);
SkASSERT(thing1.start());
SkASSERT(thing2.start());
thing1.join();
thing2.join();
REPORTER_ASSERT(reporter, ref->getRefCnt() == 1);
ref->unref();
}
static void bounce_weak_ref(void* data) {
SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
for (int i = 0; i < 100000; ++i) {
if (ref->try_ref()) {
ref->unref();
}
}
}
static void bounce_weak_weak_ref(void* data) {
SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
for (int i = 0; i < 100000; ++i) {
ref->weak_ref();
ref->weak_unref();
}
}
static void test_weakRefCnt(skiatest::Reporter* reporter) {
SkWeakRefCnt* ref = new SkWeakRefCnt();
SkThread thing1(bounce_ref, ref);
SkThread thing2(bounce_ref, ref);
SkThread thing3(bounce_weak_ref, ref);
SkThread thing4(bounce_weak_weak_ref, ref);
thing1.setProcessorAffinity(0);
thing2.setProcessorAffinity(23);
thing3.setProcessorAffinity(2);
thing4.setProcessorAffinity(17);
SkASSERT(thing1.start());
SkASSERT(thing2.start());
SkASSERT(thing3.start());
SkASSERT(thing4.start());
thing1.join();
thing2.join();
thing3.join();
thing4.join();
REPORTER_ASSERT(reporter, ref->getRefCnt() == 1);
REPORTER_ASSERT(reporter, ref->getWeakCnt() == 1);
ref->unref();
}
static void test_refCntTests(skiatest::Reporter* reporter) {
test_refCnt(reporter);
test_weakRefCnt(reporter);
test_refarray(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("RefCnt", RefCntTestClass, test_refCntTests)