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// Copyright (c) 2011 The Chromium 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 "ppapi/tests/test_post_message.h"
#include "ppapi/c/dev/ppb_testing_dev.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/cpp/dev/scriptable_object_deprecated.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/var.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(PostMessage);
namespace {
const PPB_Testing_Dev* GetTestingInterface() {
static const PPB_Testing_Dev* g_testing_interface =
reinterpret_cast<PPB_Testing_Dev const*>(
pp::Module::Get()->GetBrowserInterface(PPB_TESTING_DEV_INTERFACE));
return g_testing_interface;
}
const char kTestString[] = "Hello world!";
const bool kTestBool = true;
const int32_t kTestInt = 42;
const double kTestDouble = 42.0;
const int32_t kThreadsToRun = 10;
} // namespace
bool TestPostMessage::Init() {
testing_interface_ = reinterpret_cast<const PPB_Testing_Dev*>(
pp::Module::Get()->GetBrowserInterface(PPB_TESTING_DEV_INTERFACE));
if (!testing_interface_) {
// Give a more helpful error message for the testing interface being gone
// since that needs special enabling in Chrome.
instance_->AppendError("This test needs the testing interface, which is "
"not currently available. In Chrome, use --enable-pepper-testing when "
"launching.");
}
return (testing_interface_ != NULL);
}
void TestPostMessage::RunTest() {
RUN_TEST(SendingData);
RUN_TEST(MessageEvent);
RUN_TEST(NoHandler);
}
void TestPostMessage::HandleMessage(const pp::Var& message_data) {
message_data_.push_back(message_data);
testing_interface_->QuitMessageLoop(instance_->pp_instance());
}
bool TestPostMessage::MakeOnMessageEcho(const std::string& expression) {
std::string js_code(
"document.getElementById('plugin').onmessage = function(message_event) {"
" document.getElementById('plugin').postMessage(");
js_code += expression;
js_code += ");}";
pp::Var exception;
// TODO(dmichael): Move ExecuteScript to the testing interface.
instance_->ExecuteScript(js_code, &exception);
return(exception.is_undefined());
}
std::string TestPostMessage::TestSendingData() {
// Set up the JavaScript onmessage handler to echo the data part of the
// message event back to us.
ASSERT_TRUE(MakeOnMessageEcho("message_event.data"));
// Test sending a message to JavaScript for each supported type. The JS sends
// the data back to us, and we check that they match.
message_data_.clear();
instance_->PostMessage(pp::Var(kTestString));
// PostMessage is asynchronous, so we should not receive a response yet.
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_string());
ASSERT_EQ(message_data_.back().AsString(), kTestString);
message_data_.clear();
instance_->PostMessage(pp::Var(kTestBool));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_bool());
ASSERT_EQ(message_data_.back().AsBool(), kTestBool);
message_data_.clear();
instance_->PostMessage(pp::Var(kTestInt));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_number());
ASSERT_DOUBLE_EQ(message_data_.back().AsDouble(),
static_cast<double>(kTestInt));
message_data_.clear();
instance_->PostMessage(pp::Var(kTestDouble));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_number());
ASSERT_DOUBLE_EQ(message_data_.back().AsDouble(), kTestDouble);
message_data_.clear();
instance_->PostMessage(pp::Var());
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_undefined());
message_data_.clear();
instance_->PostMessage(pp::Var(pp::Var::Null()));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_null());
PASS();
}
std::string TestPostMessage::TestMessageEvent() {
// Set up the JavaScript onmessage handler to pass us some values from the
// MessageEvent and make sure they match our expectations.
// Have onmessage pass back the type of message_event and make sure it's
// "object".
ASSERT_TRUE(MakeOnMessageEcho("typeof(message_event)"));
message_data_.clear();
instance_->PostMessage(pp::Var(kTestInt));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_string());
ASSERT_EQ(message_data_.back().AsString(), "object");
// Make sure all the non-data properties have the expected values.
bool success = MakeOnMessageEcho("((message_event.origin == '')"
" && (message_event.lastEventId == '')"
" && (message_event.source == null)"
" && (message_event.ports == null)"
" && (message_event.bubbles == false)"
" && (message_event.cancelable == false)"
")");
ASSERT_TRUE(success);
message_data_.clear();
instance_->PostMessage(pp::Var(kTestInt));
ASSERT_EQ(message_data_.size(), 0);
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 1);
ASSERT_TRUE(message_data_.back().is_bool());
ASSERT_TRUE(message_data_.back().AsBool());
PASS();
}
std::string TestPostMessage::TestNoHandler() {
// Delete the onmessage handler (if it exists)
std::string js_code(
"if (document.getElementById('plugin').onmessage) {"
" delete document.getElementById('plugin').onmessage;"
"}");
pp::Var exception;
instance_->ExecuteScript(js_code, &exception);
ASSERT_TRUE(exception.is_undefined());
// Now send a message and make sure we don't get anything back (and that we
// don't crash).
message_data_.clear();
instance_->PostMessage(pp::Var());
testing_interface_->RunMessageLoop(instance_->pp_instance());
ASSERT_EQ(message_data_.size(), 0);
PASS();
}
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