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
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15//
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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
32using namespace v8;
33namespace i = v8::internal;
34
35namespace {
36class HarmonyIsolate {
37 public:
38  HarmonyIsolate() {
39    isolate_ = Isolate::New();
40    isolate_->Enter();
41  }
42
43  ~HarmonyIsolate() {
44    isolate_->Exit();
45    isolate_->Dispose();
46  }
47
48  Isolate* GetIsolate() const { return isolate_; }
49
50 private:
51  Isolate* isolate_;
52};
53}
54
55
56TEST(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
94TEST(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