4ae94ffce5
These getRefCnt() methods are not thread safe, so Skia code should not
be calling them. unique() is fine.
SkDEBUG code (SkASSERTs) can still call getRefCnt() / getWeakRefCnt().
This adds tools/RefCntIs.{h,cpp}, which lets tests make their assertions in
both debug and release modes.
BUG=skia:2726
R=senorblanco@chromium.org, mtklein@google.com, reed@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/378643003
149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkRefCnt.h"
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#include "SkTRefArray.h"
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#include "SkThreadUtils.h"
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#include "SkTypes.h"
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#include "SkWeakRefCnt.h"
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#include "RefCntIs.h"
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#include "Test.h"
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class InstCounterClass {
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public:
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InstCounterClass() { fCount = gInstCounter++; }
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InstCounterClass(const InstCounterClass& src) {
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fCount = src.fCount;
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gInstCounter += 1;
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}
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virtual ~InstCounterClass() { gInstCounter -= 1; }
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static int gInstCounter;
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int fCount;
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};
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int InstCounterClass::gInstCounter;
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static void test_refarray(skiatest::Reporter* reporter) {
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REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
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const int N = 10;
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SkTRefArray<InstCounterClass>* array = SkTRefArray<InstCounterClass>::Create(N);
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REPORTER_ASSERT(reporter, RefCntIs(*array, 1));
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REPORTER_ASSERT(reporter, N == array->count());
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REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
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array->unref();
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REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
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// Now test the copy factory
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int i;
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InstCounterClass* src = new InstCounterClass[N];
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REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
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for (i = 0; i < N; ++i) {
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REPORTER_ASSERT(reporter, i == src[i].fCount);
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}
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array = SkTRefArray<InstCounterClass>::Create(src, N);
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REPORTER_ASSERT(reporter, RefCntIs(*array, 1));
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REPORTER_ASSERT(reporter, N == array->count());
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REPORTER_ASSERT(reporter, 2*N == InstCounterClass::gInstCounter);
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for (i = 0; i < N; ++i) {
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REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
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}
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delete[] src;
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REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
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for (i = 0; i < N; ++i) {
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REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
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}
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array->unref();
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REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
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}
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static void bounce_ref(void* data) {
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SkRefCnt* ref = static_cast<SkRefCnt*>(data);
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for (int i = 0; i < 100000; ++i) {
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ref->ref();
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ref->unref();
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}
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}
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static void test_refCnt(skiatest::Reporter* reporter) {
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SkRefCnt* ref = new SkRefCnt();
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SkThread thing1(bounce_ref, ref);
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SkThread thing2(bounce_ref, ref);
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thing1.setProcessorAffinity(0);
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thing2.setProcessorAffinity(23);
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SkASSERT(thing1.start());
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SkASSERT(thing2.start());
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thing1.join();
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thing2.join();
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REPORTER_ASSERT(reporter, RefCntIs(*ref, 1));
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ref->unref();
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}
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static void bounce_weak_ref(void* data) {
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SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
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for (int i = 0; i < 100000; ++i) {
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if (ref->try_ref()) {
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ref->unref();
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}
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}
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}
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static void bounce_weak_weak_ref(void* data) {
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SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
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for (int i = 0; i < 100000; ++i) {
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ref->weak_ref();
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ref->weak_unref();
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}
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}
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static void test_weakRefCnt(skiatest::Reporter* reporter) {
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SkWeakRefCnt* ref = new SkWeakRefCnt();
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SkThread thing1(bounce_ref, ref);
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SkThread thing2(bounce_ref, ref);
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SkThread thing3(bounce_weak_ref, ref);
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SkThread thing4(bounce_weak_weak_ref, ref);
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thing1.setProcessorAffinity(0);
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thing2.setProcessorAffinity(23);
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thing3.setProcessorAffinity(2);
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thing4.setProcessorAffinity(17);
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SkASSERT(thing1.start());
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SkASSERT(thing2.start());
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SkASSERT(thing3.start());
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SkASSERT(thing4.start());
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thing1.join();
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thing2.join();
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thing3.join();
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thing4.join();
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REPORTER_ASSERT(reporter, RefCntIs(*ref, 1));
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REPORTER_ASSERT(reporter, WeakRefCntIs(*ref, 1));
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ref->unref();
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}
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DEF_TEST(RefCnt, reporter) {
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test_refCnt(reporter);
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test_weakRefCnt(reporter);
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test_refarray(reporter);
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}
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