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
|
// Copyright 2020 the V8 project 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 "src/heap/local-heap.h"
#include "src/heap/heap.h"
#include "src/heap/safepoint.h"
#include "test/unittests/test-utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace internal {
using LocalHeapTest = TestWithIsolate;
TEST_F(LocalHeapTest, Initialize) {
Heap* heap = i_isolate()->heap();
CHECK(!heap->safepoint()->ContainsAnyLocalHeap());
{
LocalHeap lh(heap, ThreadKind::kMain);
CHECK(heap->safepoint()->ContainsLocalHeap(&lh));
}
CHECK(!heap->safepoint()->ContainsAnyLocalHeap());
}
TEST_F(LocalHeapTest, Current) {
Heap* heap = i_isolate()->heap();
CHECK_NULL(LocalHeap::Current());
{
LocalHeap lh(heap, ThreadKind::kMain);
CHECK_EQ(&lh, LocalHeap::Current());
}
CHECK_NULL(LocalHeap::Current());
{
LocalHeap lh(heap, ThreadKind::kMain);
CHECK_EQ(&lh, LocalHeap::Current());
}
CHECK_NULL(LocalHeap::Current());
}
namespace {
class BackgroundThread final : public v8::base::Thread {
public:
explicit BackgroundThread(Heap* heap)
: v8::base::Thread(base::Thread::Options("BackgroundThread")),
heap_(heap) {}
void Run() override {
CHECK_NULL(LocalHeap::Current());
{
LocalHeap lh(heap_, ThreadKind::kBackground);
CHECK_EQ(&lh, LocalHeap::Current());
}
CHECK_NULL(LocalHeap::Current());
}
Heap* heap_;
};
} // anonymous namespace
TEST_F(LocalHeapTest, CurrentBackground) {
Heap* heap = i_isolate()->heap();
CHECK_NULL(LocalHeap::Current());
{
LocalHeap lh(heap, ThreadKind::kMain);
auto thread = std::make_unique<BackgroundThread>(heap);
CHECK(thread->Start());
CHECK_EQ(&lh, LocalHeap::Current());
thread->Join();
CHECK_EQ(&lh, LocalHeap::Current());
}
CHECK_NULL(LocalHeap::Current());
}
} // namespace internal
} // namespace v8
|
