1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/bind.h"
#include "base/command_line.h"
#include "base/memory/discardable_memory.h"
#include "content/child/child_discardable_shared_memory_manager.h"
#include "content/child/child_thread_impl.h"
#include "content/common/host_discardable_shared_memory_manager.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "url/gurl.h"
namespace content {
class ChildDiscardableSharedMemoryManagerBrowserTest
: public ContentBrowserTest {
public:
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kSingleProcess);
}
static void ReleaseFreeMemory() {
ChildThreadImpl::current()
->discardable_shared_memory_manager()
->ReleaseFreeMemory();
}
static void AllocateLockedMemory(
size_t size,
scoped_ptr<base::DiscardableMemory>* memory) {
*memory = ChildThreadImpl::current()
->discardable_shared_memory_manager()
->AllocateLockedDiscardableMemory(size);
}
static void LockMemory(base::DiscardableMemory* memory, bool* result) {
*result = memory->Lock();
}
static void UnlockMemory(base::DiscardableMemory* memory) {
memory->Unlock();
}
static void FreeMemory(scoped_ptr<base::DiscardableMemory> memory) {}
};
IN_PROC_BROWSER_TEST_F(ChildDiscardableSharedMemoryManagerBrowserTest,
DISABLED_LockMemory) {
const size_t kSize = 1024 * 1024; // 1MiB.
NavigateToURL(shell(), GURL(url::kAboutBlankURL));
scoped_ptr<base::DiscardableMemory> memory;
PostTaskToInProcessRendererAndWait(base::Bind(
&ChildDiscardableSharedMemoryManagerBrowserTest::AllocateLockedMemory,
kSize, &memory));
ASSERT_TRUE(memory);
void* addr = memory->Memory();
ASSERT_NE(nullptr, addr);
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::UnlockMemory,
memory.get()));
// Purge all unlocked memory.
HostDiscardableSharedMemoryManager::current()->SetMemoryLimit(0);
bool result = true;
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::LockMemory,
memory.get(), &result));
// Should fail as memory should have been purged.
EXPECT_FALSE(result);
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::FreeMemory,
base::Passed(&memory)));
}
IN_PROC_BROWSER_TEST_F(ChildDiscardableSharedMemoryManagerBrowserTest,
DISABLED_AddressSpace) {
const size_t kLargeSize = 4 * 1024 * 1024; // 4MiB.
const size_t kNumberOfInstances = 1024 + 1; // >4GiB total.
NavigateToURL(shell(), GURL(url::kAboutBlankURL));
scoped_ptr<base::DiscardableMemory> instances[kNumberOfInstances];
for (auto& memory : instances) {
PostTaskToInProcessRendererAndWait(base::Bind(
&ChildDiscardableSharedMemoryManagerBrowserTest::AllocateLockedMemory,
kLargeSize, &memory));
ASSERT_TRUE(memory);
void* addr = memory->Memory();
ASSERT_NE(nullptr, addr);
PostTaskToInProcessRendererAndWait(base::Bind(
&ChildDiscardableSharedMemoryManagerBrowserTest::UnlockMemory,
memory.get()));
}
for (auto& memory : instances) {
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::FreeMemory,
base::Passed(&memory)));
}
}
IN_PROC_BROWSER_TEST_F(ChildDiscardableSharedMemoryManagerBrowserTest,
DISABLED_ReleaseFreeMemory) {
const size_t kSize = 1024 * 1024; // 1MiB.
NavigateToURL(shell(), GURL(url::kAboutBlankURL));
scoped_ptr<base::DiscardableMemory> memory;
PostTaskToInProcessRendererAndWait(base::Bind(
&ChildDiscardableSharedMemoryManagerBrowserTest::AllocateLockedMemory,
kSize, &memory));
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::UnlockMemory,
memory.get()));
PostTaskToInProcessRendererAndWait(
base::Bind(&ChildDiscardableSharedMemoryManagerBrowserTest::FreeMemory,
base::Passed(&memory)));
EXPECT_GE(HostDiscardableSharedMemoryManager::current()->GetBytesAllocated(),
kSize);
PostTaskToInProcessRendererAndWait(base::Bind(
&ChildDiscardableSharedMemoryManagerBrowserTest::ReleaseFreeMemory));
EXPECT_EQ(HostDiscardableSharedMemoryManager::current()->GetBytesAllocated(),
0u);
}
} // content
|
