709ca75f03
Use this to clean up empty SkData and SkPathRef. Current leaks: Leaked SkRefCntBase: 40 Leaked SkFlattenable: 32 Leaked SkPixelRef: 32 Leaked SkMallocPixelRef: 32 Leaked SkFontConfigInterface: 1 Leaked SkWeakRefCnt: 1 Leaked SkTypeface: 1 Leaked SkFontMgr: 1 Leaked SkDataTable: 3 Leaked SkImage: 1 Leaked ???: 1 Leaked ???: 1 BUG=skia: R=halcanary@google.com, reed@google.com Author: mtklein@google.com Review URL: https://codereview.chromium.org/132803005 git-svn-id: http://skia.googlecode.com/svn/trunk@13180 2bbb7eff-a529-9590-31e7-b0007b416f81
92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
/*
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* Copyright 2013 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 "SkOnce.h"
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#include "SkThreadPool.h"
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#include "Test.h"
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static void add_five(int* x) {
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*x += 5;
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}
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DEF_TEST(SkOnce_Singlethreaded, r) {
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int x = 0;
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SK_DECLARE_STATIC_ONCE(once);
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// No matter how many times we do this, x will be 5.
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SkOnce(&once, add_five, &x);
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SkOnce(&once, add_five, &x);
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SkOnce(&once, add_five, &x);
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SkOnce(&once, add_five, &x);
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SkOnce(&once, add_five, &x);
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REPORTER_ASSERT(r, 5 == x);
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}
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struct AddFour { void operator()(int* x) { *x += 4; } };
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DEF_TEST(SkOnce_MiscFeatures, r) {
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// Tests that we support functors and explicit SkOnceFlags.
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int x = 0;
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SkOnceFlag once = SK_ONCE_INIT;
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SkOnce(&once, AddFour(), &x);
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SkOnce(&once, AddFour(), &x);
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SkOnce(&once, AddFour(), &x);
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REPORTER_ASSERT(r, 4 == x);
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}
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static void add_six(int* x) {
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*x += 6;
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}
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class Racer : public SkRunnable {
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public:
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SkOnceFlag* once;
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int* ptr;
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virtual void run() SK_OVERRIDE {
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SkOnce(once, add_six, ptr);
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}
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};
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DEF_TEST(SkOnce_Multithreaded, r) {
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const int kTasks = 16, kThreads = 4;
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// Make a bunch of tasks that will race to be the first to add six to x.
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Racer racers[kTasks];
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SK_DECLARE_STATIC_ONCE(once);
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int x = 0;
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for (int i = 0; i < kTasks; i++) {
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racers[i].once = &once;
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racers[i].ptr = &x;
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}
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// Let them race.
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SkThreadPool pool(kThreads);
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for (int i = 0; i < kTasks; i++) {
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pool.add(&racers[i]);
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}
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pool.wait();
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// Only one should have done the +=.
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REPORTER_ASSERT(r, 6 == x);
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}
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// Test that the atExit option works.
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static int gToDecrement = 1;
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static void noop(int) {}
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static void decrement() { gToDecrement--; }
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static void checkDecremented() { SkASSERT(gToDecrement == 0); }
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DEF_TEST(SkOnce_atExit, r) {
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atexit(checkDecremented);
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SK_DECLARE_STATIC_ONCE(once);
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SkOnce(&once, noop, 0, decrement);
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}
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