048494c1e2
- SkSHA1 is unused - SkRunnable is obsolete now that we have std::function BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1705583003 Review URL: https://codereview.chromium.org/1705583003
53 lines
1.2 KiB
C++
53 lines
1.2 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 "SkOnce.h"
|
|
#include "SkTaskGroup.h"
|
|
#include "Test.h"
|
|
|
|
static void add_five(int* x) {
|
|
*x += 5;
|
|
}
|
|
|
|
SK_DECLARE_STATIC_ONCE(st_once);
|
|
DEF_TEST(SkOnce_Singlethreaded, r) {
|
|
int x = 0;
|
|
|
|
// No matter how many times we do this, x will be 5.
|
|
SkOnce(&st_once, add_five, &x);
|
|
SkOnce(&st_once, add_five, &x);
|
|
SkOnce(&st_once, add_five, &x);
|
|
SkOnce(&st_once, add_five, &x);
|
|
SkOnce(&st_once, add_five, &x);
|
|
|
|
REPORTER_ASSERT(r, 5 == x);
|
|
}
|
|
|
|
SK_DECLARE_STATIC_ONCE(mt_once);
|
|
DEF_TEST(SkOnce_Multithreaded, r) {
|
|
int x = 0;
|
|
// Run a bunch of tasks to be the first to add six to x.
|
|
SkTaskGroup().batch(1021, [&](int) {
|
|
void(*add_six)(int*) = [](int* p) { *p += 6; };
|
|
SkOnce(&mt_once, add_six, &x);
|
|
});
|
|
|
|
// Only one should have done the +=.
|
|
REPORTER_ASSERT(r, 6 == x);
|
|
}
|
|
|
|
static int gX = 0;
|
|
static void inc_gX() { gX++; }
|
|
|
|
SK_DECLARE_STATIC_ONCE(noarg_once);
|
|
DEF_TEST(SkOnce_NoArg, r) {
|
|
SkOnce(&noarg_once, inc_gX);
|
|
SkOnce(&noarg_once, inc_gX);
|
|
SkOnce(&noarg_once, inc_gX);
|
|
REPORTER_ASSERT(r, 1 == gX);
|
|
}
|