1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 #include "src/v8.h"
29
30 #include "test/cctest/cctest.h"
31
32 using namespace v8;
33 namespace i = v8::internal;
34
35 namespace {
36 class HarmonyIsolate {
37 public:
HarmonyIsolate()38 HarmonyIsolate() {
39 isolate_ = Isolate::New();
40 isolate_->Enter();
41 }
42
~HarmonyIsolate()43 ~HarmonyIsolate() {
44 isolate_->Exit();
45 isolate_->Dispose();
46 }
47
GetIsolate() const48 Isolate* GetIsolate() const { return isolate_; }
49
50 private:
51 Isolate* isolate_;
52 };
53 }
54
55
TEST(MicrotaskDeliverySimple)56 TEST(MicrotaskDeliverySimple) {
57 HarmonyIsolate isolate;
58 HandleScope scope(isolate.GetIsolate());
59 LocalContext context(isolate.GetIsolate());
60 CompileRun(
61 "var ordering = [];"
62 "var resolver = {};"
63 "function handler(resolve) { resolver.resolve = resolve; }"
64 "var obj = {};"
65 "var observeOrders = [1, 4];"
66 "function observer() {"
67 "ordering.push(observeOrders.shift());"
68 "resolver.resolve();"
69 "}"
70 "var p = new Promise(handler);"
71 "p.then(function() {"
72 "ordering.push(2);"
73 "}).then(function() {"
74 "ordering.push(3);"
75 "obj.id++;"
76 "return new Promise(handler);"
77 "}).then(function() {"
78 "ordering.push(5);"
79 "}).then(function() {"
80 "ordering.push(6);"
81 "});"
82 "Object.observe(obj, observer);"
83 "obj.id = 1;");
84 CHECK_EQ(6, CompileRun("ordering.length")->Int32Value());
85 CHECK_EQ(1, CompileRun("ordering[0]")->Int32Value());
86 CHECK_EQ(2, CompileRun("ordering[1]")->Int32Value());
87 CHECK_EQ(3, CompileRun("ordering[2]")->Int32Value());
88 CHECK_EQ(4, CompileRun("ordering[3]")->Int32Value());
89 CHECK_EQ(5, CompileRun("ordering[4]")->Int32Value());
90 CHECK_EQ(6, CompileRun("ordering[5]")->Int32Value());
91 }
92
93
TEST(MicrotaskPerIsolateState)94 TEST(MicrotaskPerIsolateState) {
95 HarmonyIsolate isolate;
96 HandleScope scope(isolate.GetIsolate());
97 LocalContext context1(isolate.GetIsolate());
98 isolate.GetIsolate()->SetAutorunMicrotasks(false);
99 CompileRun(
100 "var obj = { calls: 0 };");
101 Handle<Value> obj = CompileRun("obj");
102 {
103 LocalContext context2(isolate.GetIsolate());
104 context2->Global()->Set(String::NewFromUtf8(isolate.GetIsolate(), "obj"),
105 obj);
106 CompileRun(
107 "var resolver = {};"
108 "new Promise(function(resolve) {"
109 "resolver.resolve = resolve;"
110 "}).then(function() {"
111 "obj.calls++;"
112 "});"
113 "(function() {"
114 "resolver.resolve();"
115 "})();");
116 }
117 {
118 LocalContext context3(isolate.GetIsolate());
119 context3->Global()->Set(String::NewFromUtf8(isolate.GetIsolate(), "obj"),
120 obj);
121 CompileRun(
122 "var foo = { id: 1 };"
123 "Object.observe(foo, function() {"
124 "obj.calls++;"
125 "});"
126 "foo.id++;");
127 }
128 {
129 LocalContext context4(isolate.GetIsolate());
130 context4->Global()->Set(String::NewFromUtf8(isolate.GetIsolate(), "obj"),
131 obj);
132 isolate.GetIsolate()->RunMicrotasks();
133 CHECK_EQ(2, CompileRun("obj.calls")->Int32Value());
134 }
135 }
136