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// Copyright (c) 2012 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 <cstring>
#include "base/synchronization/waitable_event.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/ppb_var.h"
#include "ppapi/c/ppp_messaging.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/ppapi_proxy_test.h"
#include "ppapi/proxy/serialized_var.h"
#include "ppapi/shared_impl/api_id.h"
#include "ppapi/shared_impl/proxy_lock.h"
#include "ppapi/shared_impl/var.h"
namespace ppapi {
namespace proxy {
namespace {
// This is a poor man's mock of PPP_Messaging using global variables. Eventually
// we should generalize making PPAPI interface mocks by using IDL or macro/
// template magic.
PP_Instance received_instance;
PP_Var received_var;
base::WaitableEvent handle_message_called(false, false);
void HandleMessage(PP_Instance instance, PP_Var message_data) {
received_instance = instance;
received_var = message_data;
handle_message_called.Signal();
}
// Clear all the 'received' values for our mock. Call this before you expect
// one of the functions to be invoked.
void ResetReceived() {
received_instance = 0;
received_var.type = PP_VARTYPE_UNDEFINED;
received_var.value.as_id = 0;
}
PPP_Messaging ppp_messaging_mock = {
&HandleMessage
};
// CallHandleMessage does the host-side work to cause HandleMessage to be called
// in the plugin side.
void CallHandleMessage(Dispatcher* dispatcher,
PP_Instance instance,
PP_Var message) {
dispatcher->Send(new PpapiMsg_PPPMessaging_HandleMessage(
API_ID_PPP_MESSAGING,
instance,
SerializedVarSendInputShmem(dispatcher, message, instance)));
}
class PPP_Messaging_ProxyTest : public TwoWayTest {
public:
PPP_Messaging_ProxyTest()
: TwoWayTest(TwoWayTest::TEST_PPP_INTERFACE) {
plugin().RegisterTestInterface(PPP_MESSAGING_INTERFACE,
&ppp_messaging_mock);
}
};
void CompareAndReleaseStringVar(PluginProxyTestHarness* plugin_harness,
PP_Var received_var,
const std::string& test_string) {
ProxyAutoLock lock;
Var* received_string = plugin_harness->var_tracker().GetVar(received_var);
ASSERT_TRUE(received_string);
ASSERT_TRUE(received_string->AsStringVar());
EXPECT_EQ(test_string, received_string->AsStringVar()->value());
// Now release the var, and the string should go away (because the ref
// count should be one).
plugin_harness->var_tracker().ReleaseVar(received_var);
EXPECT_FALSE(StringVar::FromPPVar(received_var));
}
} // namespace
TEST_F(PPP_Messaging_ProxyTest, SendMessages) {
PP_Instance expected_instance = pp_instance();
PP_Var expected_var = PP_MakeUndefined();
ResetReceived();
Dispatcher* host_dispatcher = host().GetDispatcher();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
expected_var = PP_MakeNull();
ResetReceived();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
expected_var = PP_MakeBool(PP_TRUE);
ResetReceived();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
EXPECT_EQ(expected_var.value.as_bool, received_var.value.as_bool);
expected_var = PP_MakeInt32(12345);
ResetReceived();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
EXPECT_EQ(expected_var.value.as_int, received_var.value.as_int);
expected_var = PP_MakeDouble(3.1415);
ResetReceived();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
EXPECT_EQ(expected_var.value.as_double, received_var.value.as_double);
const std::string kTestString("Hello world!");
expected_var = StringVar::StringToPPVar(kTestString);
ResetReceived();
CallHandleMessage(host_dispatcher, expected_instance, expected_var);
// Now release the var, and the string should go away (because the ref
// count should be one).
host().var_tracker().ReleaseVar(expected_var);
EXPECT_FALSE(StringVar::FromPPVar(expected_var));
handle_message_called.Wait();
EXPECT_EQ(expected_instance, received_instance);
EXPECT_EQ(expected_var.type, received_var.type);
PostTaskOnRemoteHarness(
base::Bind(CompareAndReleaseStringVar,
&plugin(),
received_var,
kTestString));
}
} // namespace proxy
} // namespace ppapi
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