src/third_party/WebKit/Source/bindings/v8/ScriptPromiseResolverTest.cpp

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  30
  31 #include "config.h"
  32 #include "bindings/v8/ScriptPromiseResolver.h"
  33
  34 #include "bindings/v8/DOMWrapperWorld.h"
  35 #include "bindings/v8/ScriptPromise.h"
  36 #include "bindings/v8/V8Binding.h"
  37 #include "bindings/v8/custom/V8PromiseCustom.h"
  38
  39 #include <gtest/gtest.h>
  40 #include <v8.h>
  41
  42 namespace WebCore {
  43
  44 namespace {
  45
  46 class ScriptPromiseResolverTest : public testing::Test {
  47 public:
  48     ScriptPromiseResolverTest()
  49         : m_isolate(v8::Isolate::GetCurrent())
  50         , m_handleScope(m_isolate)
  51         , m_context(m_isolate, v8::Context::New(m_isolate))
  52         , m_contextScope(m_context.newLocal(m_isolate))
  53     {
  54     }
  55
  56     void SetUp()
  57     {
  58         v8::Handle<v8::Context> context(m_context.newLocal(m_isolate));
  59         V8PerContextDataHolder::install(context, DOMWrapperWorld::current(m_isolate));
  60         m_perContextData = V8PerContextData::create(context);
  61         m_perContextData->init();
  62         m_promise = ScriptPromise::createPending();
  63         m_resolver = ScriptPromiseResolver::create(m_promise);
  64     }
  65
  66     void TearDown()
  67     {
  68         m_resolver = 0;
  69         m_promise.clear();
  70         m_perContextData.clear();
  71     }
  72
  73     V8PromiseCustom::PromiseState state()
  74     {
  75         return V8PromiseCustom::getState(V8PromiseCustom::getInternal(promise()));
  76     }
  77
  78     v8::Local<v8::Value> result()
  79     {
  80         return V8PromiseCustom::getInternal(promise())->GetInternalField(V8PromiseCustom::InternalResultIndex);
  81     }
  82
  83     v8::Local<v8::Object> promise()
  84     {
  85         ASSERT(!m_promise.hasNoValue());
  86         return m_promise.v8Value().As<v8::Object>();
  87     }
  88
  89 protected:
  90     v8::Isolate* m_isolate;
  91     v8::HandleScope m_handleScope;
  92     ScopedPersistent<v8::Context> m_context;
  93     v8::Context::Scope m_contextScope;
  94     RefPtr<ScriptPromiseResolver> m_resolver;
  95     ScriptPromise m_promise;
  96     OwnPtr<V8PerContextData> m_perContextData;
  97 };
  98
  99 TEST_F(ScriptPromiseResolverTest, initialState)
 100 {
 101     EXPECT_TRUE(m_resolver->isPending());
 102     EXPECT_EQ(V8PromiseCustom::Pending, state());
 103     EXPECT_TRUE(result()->IsUndefined());
 104 }
 105
 106 TEST_F(ScriptPromiseResolverTest, resolve)
 107 {
 108     EXPECT_TRUE(m_resolver->isPending());
 109     EXPECT_EQ(V8PromiseCustom::Pending, state());
 110     EXPECT_TRUE(result()->IsUndefined());
 111
 112     m_resolver->resolve(ScriptValue(v8::Integer::New(m_isolate, 3), m_isolate));
 113
 114     EXPECT_FALSE(m_resolver->isPending());
 115     EXPECT_EQ(V8PromiseCustom::Fulfilled, state());
 116     ASSERT_TRUE(result()->IsNumber());
 117     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 118 }
 119
 120 TEST_F(ScriptPromiseResolverTest, reject)
 121 {
 122     EXPECT_TRUE(m_resolver->isPending());
 123     EXPECT_EQ(V8PromiseCustom::Pending, state());
 124     EXPECT_TRUE(result()->IsUndefined());
 125
 126     m_resolver->reject(ScriptValue(v8::Integer::New(m_isolate, 3), m_isolate));
 127
 128     EXPECT_FALSE(m_resolver->isPending());
 129     EXPECT_EQ(V8PromiseCustom::Rejected, state());
 130     ASSERT_TRUE(result()->IsNumber());
 131     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 132 }
 133
 134 TEST_F(ScriptPromiseResolverTest, resolveOverResolve)
 135 {
 136     EXPECT_TRUE(m_resolver->isPending());
 137     EXPECT_EQ(V8PromiseCustom::Pending, state());
 138     EXPECT_TRUE(result()->IsUndefined());
 139
 140     m_resolver->resolve(ScriptValue(v8::Integer::New(m_isolate, 3), m_isolate));
 141
 142     EXPECT_FALSE(m_resolver->isPending());
 143     EXPECT_EQ(V8PromiseCustom::Fulfilled, state());
 144     ASSERT_TRUE(result()->IsNumber());
 145     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 146
 147     m_resolver->resolve(ScriptValue(v8::Integer::New(m_isolate, 4), m_isolate));
 148     EXPECT_FALSE(m_resolver->isPending());
 149     EXPECT_EQ(V8PromiseCustom::Fulfilled, state());
 150     ASSERT_TRUE(result()->IsNumber());
 151     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 152 }
 153
 154 TEST_F(ScriptPromiseResolverTest, rejectOverResolve)
 155 {
 156     EXPECT_TRUE(m_resolver->isPending());
 157     EXPECT_EQ(V8PromiseCustom::Pending, state());
 158     EXPECT_TRUE(result()->IsUndefined());
 159
 160     m_resolver->resolve(ScriptValue(v8::Integer::New(m_isolate, 3), m_isolate));
 161
 162     EXPECT_FALSE(m_resolver->isPending());
 163     EXPECT_EQ(V8PromiseCustom::Fulfilled, state());
 164     ASSERT_TRUE(result()->IsNumber());
 165     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 166
 167     m_resolver->reject(ScriptValue(v8::Integer::New(m_isolate, 4), m_isolate));
 168     EXPECT_FALSE(m_resolver->isPending());
 169     EXPECT_EQ(V8PromiseCustom::Fulfilled, state());
 170     ASSERT_TRUE(result()->IsNumber());
 171     EXPECT_EQ(3, result().As<v8::Integer>()->Value());
 172 }
 173
 174 } // namespace
 175
 176 } // namespace WebCore