xref: /aosp_15_r20/external/skia/tests/DiscardableMemoryTest.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2013 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/chromium/SkDiscardableMemory.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "src/lazy/SkDiscardableMemoryPool.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "tests/Test.h"
12*c8dee2aaSAndroid Build Coastguard Worker 
13*c8dee2aaSAndroid Build Coastguard Worker #include <cstring>
14*c8dee2aaSAndroid Build Coastguard Worker #include <memory>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker namespace {
17*c8dee2aaSAndroid Build Coastguard Worker constexpr char kTestString[] = "HELLO, WORLD!";
18*c8dee2aaSAndroid Build Coastguard Worker constexpr size_t kTestStringLength = sizeof(kTestString);
19*c8dee2aaSAndroid Build Coastguard Worker }  // namespace
20*c8dee2aaSAndroid Build Coastguard Worker 
test_dm(skiatest::Reporter * reporter,SkDiscardableMemory * dm,bool assertRelock)21*c8dee2aaSAndroid Build Coastguard Worker static void test_dm(skiatest::Reporter* reporter,
22*c8dee2aaSAndroid Build Coastguard Worker                     SkDiscardableMemory* dm,
23*c8dee2aaSAndroid Build Coastguard Worker                     bool assertRelock) {
24*c8dee2aaSAndroid Build Coastguard Worker     REPORTER_ASSERT(reporter, dm);
25*c8dee2aaSAndroid Build Coastguard Worker     if (!dm) {
26*c8dee2aaSAndroid Build Coastguard Worker         return;
27*c8dee2aaSAndroid Build Coastguard Worker     }
28*c8dee2aaSAndroid Build Coastguard Worker     void* ptr = dm->data();
29*c8dee2aaSAndroid Build Coastguard Worker     REPORTER_ASSERT(reporter, ptr);
30*c8dee2aaSAndroid Build Coastguard Worker     if (!ptr) {
31*c8dee2aaSAndroid Build Coastguard Worker         return;
32*c8dee2aaSAndroid Build Coastguard Worker     }
33*c8dee2aaSAndroid Build Coastguard Worker     memcpy(ptr, kTestString, sizeof(kTestString));
34*c8dee2aaSAndroid Build Coastguard Worker     dm->unlock();
35*c8dee2aaSAndroid Build Coastguard Worker     bool relockSuccess = dm->lock();
36*c8dee2aaSAndroid Build Coastguard Worker     if (assertRelock) {
37*c8dee2aaSAndroid Build Coastguard Worker         REPORTER_ASSERT(reporter, relockSuccess);
38*c8dee2aaSAndroid Build Coastguard Worker     }
39*c8dee2aaSAndroid Build Coastguard Worker     if (!relockSuccess) {
40*c8dee2aaSAndroid Build Coastguard Worker         return;
41*c8dee2aaSAndroid Build Coastguard Worker     }
42*c8dee2aaSAndroid Build Coastguard Worker     ptr = dm->data();
43*c8dee2aaSAndroid Build Coastguard Worker     REPORTER_ASSERT(reporter, ptr);
44*c8dee2aaSAndroid Build Coastguard Worker     if (!ptr) {
45*c8dee2aaSAndroid Build Coastguard Worker         return;
46*c8dee2aaSAndroid Build Coastguard Worker     }
47*c8dee2aaSAndroid Build Coastguard Worker     REPORTER_ASSERT(reporter, 0 == memcmp(ptr, kTestString, kTestStringLength));
48*c8dee2aaSAndroid Build Coastguard Worker     dm->unlock();
49*c8dee2aaSAndroid Build Coastguard Worker }
50*c8dee2aaSAndroid Build Coastguard Worker 
DEF_TEST(DiscardableMemory_global,reporter)51*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(DiscardableMemory_global, reporter) {
52*c8dee2aaSAndroid Build Coastguard Worker     std::unique_ptr<SkDiscardableMemory> dm(SkDiscardableMemory::Create(kTestStringLength));
53*c8dee2aaSAndroid Build Coastguard Worker     // lock() test is allowed to fail, since other threads could be
54*c8dee2aaSAndroid Build Coastguard Worker     // using global pool.
55*c8dee2aaSAndroid Build Coastguard Worker     test_dm(reporter, dm.get(), false);
56*c8dee2aaSAndroid Build Coastguard Worker }
57*c8dee2aaSAndroid Build Coastguard Worker 
DEF_TEST(DiscardableMemory_nonglobal,reporter)58*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(DiscardableMemory_nonglobal, reporter) {
59*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkDiscardableMemoryPool> pool(
60*c8dee2aaSAndroid Build Coastguard Worker         SkDiscardableMemoryPool::Make(1024));
61*c8dee2aaSAndroid Build Coastguard Worker     std::unique_ptr<SkDiscardableMemory> dm(pool->create(kTestStringLength));
62*c8dee2aaSAndroid Build Coastguard Worker     test_dm(reporter, dm.get(), true);
63*c8dee2aaSAndroid Build Coastguard Worker }
64*c8dee2aaSAndroid Build Coastguard Worker 
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