AdblockPlus::JsValuePtr AdblockPlus::JsValue::Call(
const JsValueList& params,
AdblockPlus::JsValuePtr thisPtr) const
{
if (!IsFunction())
throw new std::runtime_error("Attempting to call a non-function");
const JsContext context(jsEngine);
if (!thisPtr)
thisPtr = JsValuePtr(new JsValue(jsEngine, jsEngine->context->Global()));
if (!thisPtr->IsObject())
throw new std::runtime_error("`this` pointer has to be an object");
v8::Persistent<v8::Object> thisObj = v8::Persistent<v8::Object>::Cast<v8::Value>(thisPtr->value);
std::vector<v8::Handle<v8::Value> > argv;
for (JsValueList::const_iterator it = params.begin(); it != params.end(); ++it)
argv.push_back((*it)->value);
const v8::TryCatch tryCatch;
v8::Persistent<v8::Function> func = v8::Persistent<v8::Function>::Cast<v8::Value>(value);
v8::Local<v8::Value> result = func->Call(thisObj, argv.size(),
argv.size() ? &argv.front() : 0);
if (tryCatch.HasCaught())
throw AdblockPlus::JsError(tryCatch.Exception(), tryCatch.Message());
return JsValuePtr(new JsValue(jsEngine, result));
}
TEST_F(JsValueTest, NullValue)
{
AdblockPlus::JsValuePtr value = jsEngine->Evaluate("null");
ASSERT_FALSE(value->IsUndefined());
ASSERT_TRUE(value->IsNull());
ASSERT_FALSE(value->IsString());
ASSERT_FALSE(value->IsBool());
ASSERT_FALSE(value->IsNumber());
ASSERT_FALSE(value->IsObject());
ASSERT_FALSE(value->IsArray());
ASSERT_FALSE(value->IsFunction());
ASSERT_EQ("null", value->AsString());
ASSERT_FALSE(value->AsBool());
ASSERT_ANY_THROW(value->AsList());
ASSERT_ANY_THROW(value->GetProperty("foo"));
ASSERT_ANY_THROW(value->SetProperty("foo", false));
ASSERT_ANY_THROW(value->GetClass());
ASSERT_ANY_THROW(value->GetOwnPropertyNames());
ASSERT_ANY_THROW(value->Call());
}
TEST_F(JsEngineTest, ValueCreation)
{
AdblockPlus::JsValuePtr value;
value = jsEngine->NewValue("foo");
ASSERT_TRUE(value->IsString());
ASSERT_EQ("foo", value->AsString());
value = jsEngine->NewValue(12345678901234);
ASSERT_TRUE(value->IsNumber());
ASSERT_EQ(12345678901234, value->AsInt());
value = jsEngine->NewValue(true);
ASSERT_TRUE(value->IsBool());
ASSERT_TRUE(value->AsBool());
value = jsEngine->NewObject();
ASSERT_TRUE(value->IsObject());
ASSERT_EQ(0u, value->GetOwnPropertyNames().size());
}