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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 "SkRefCnt.h"
#include "SkThreadUtils.h"
#include "SkTypes.h"
#include "SkWeakRefCnt.h"
#include "Test.h"
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);
SkASSERT(thing1.start());
SkASSERT(thing2.start());
thing1.join();
thing2.join();
REPORTER_ASSERT(reporter, ref->unique());
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);
SkASSERT(thing1.start());
SkASSERT(thing2.start());
SkASSERT(thing3.start());
SkASSERT(thing4.start());
thing1.join();
thing2.join();
thing3.join();
thing4.join();
REPORTER_ASSERT(reporter, ref->unique());
REPORTER_ASSERT(reporter, ref->getWeakCnt() == 1);
ref->unref();
}
DEF_TEST(RefCnt, reporter) {
test_refCnt(reporter);
test_weakRefCnt(reporter);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
static int gRefCounter;
static int gUnrefCounter;
static int gNewCounter;
static int gDeleteCounter;
#define check(reporter, ref, unref, make, kill) \
REPORTER_ASSERT(reporter, gRefCounter == ref); \
REPORTER_ASSERT(reporter, gUnrefCounter == unref); \
REPORTER_ASSERT(reporter, gNewCounter == make); \
REPORTER_ASSERT(reporter, gDeleteCounter == kill);
class Effect {
public:
Effect() : fRefCnt(1) {
gNewCounter += 1;
}
int fRefCnt;
void ref() {
gRefCounter += 1;
fRefCnt += 1;
}
void unref() {
gUnrefCounter += 1;
SkASSERT(fRefCnt > 0);
if (0 == --fRefCnt) {
gDeleteCounter += 1;
delete this;
}
}
int* method() const { return new int; }
};
static sk_sp<Effect> Create() {
return sk_sp<Effect>(new Effect);
}
class Paint {
public:
sk_sp<Effect> fEffect;
const sk_sp<Effect>& get() const { return fEffect; }
void set(sk_sp<Effect> value) {
fEffect = std::move(value);
}
};
DEF_TEST(sk_sp, reporter) {
gRefCounter = 0;
gUnrefCounter = 0;
gNewCounter = 0;
gDeleteCounter = 0;
Paint paint;
REPORTER_ASSERT(reporter, paint.fEffect.get() == nullptr);
REPORTER_ASSERT(reporter, !paint.get());
check(reporter, 0, 0, 0, 0);
paint.set(Create());
check(reporter, 0, 0, 1, 0);
REPORTER_ASSERT(reporter, paint.fEffect.get()->fRefCnt == 1);
paint.set(nullptr);
check(reporter, 0, 1, 1, 1);
auto e = Create();
REPORTER_ASSERT(reporter, sizeof(e) == sizeof(void*));
check(reporter, 0, 1, 2, 1);
paint.set(e);
check(reporter, 1, 1, 2, 1);
REPORTER_ASSERT(reporter, paint.fEffect.get()->fRefCnt == 2);
Paint paint2;
paint2.set(paint.get());
check(reporter, 2, 1, 2, 1);
REPORTER_ASSERT(reporter, paint.fEffect.get()->fRefCnt == 3);
delete paint.get()->method();
check(reporter, 2, 1, 2, 1);
}
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