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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/proxy/ppapi_proxy_test.h"
#include "ppapi/proxy/serialized_var.h"
namespace pp {
namespace proxy {
namespace {
PP_Var MakeStringVar(int64_t string_id) {
PP_Var ret;
ret.type = PP_VARTYPE_STRING;
ret.value.as_id = string_id;
return ret;
}
PP_Var MakeObjectVar(int64_t object_id) {
PP_Var ret;
ret.type = PP_VARTYPE_OBJECT;
ret.value.as_id = object_id;
return ret;
}
class SerializedVarTest : public PluginProxyTest {
public:
SerializedVarTest() {}
};
} // namespace
// Tests output arguments.
TEST_F(SerializedVarTest, PluginSerializedVarOutParam) {
PP_Var host_object = MakeObjectVar(0x31337);
// Start tracking this object in the plugin.
PP_Var plugin_object = var_tracker().ReceiveObjectPassRef(
host_object, plugin_dispatcher());
EXPECT_EQ(1, var_tracker().GetRefCountForObject(plugin_object));
{
SerializedVar sv;
{
// The "OutParam" does its work in its destructor, it will write the
// information to the SerializedVar we passed in the constructor.
SerializedVarOutParam out_param(&sv);
*out_param.OutParam(plugin_dispatcher()) = plugin_object;
}
// The object should have transformed the plugin object back to the host
// object ID. Nothing in the var tracker should have changed yet, and no
// messages should have been sent.
SerializedVarTestReader reader(sv);
EXPECT_EQ(host_object.value.as_id, reader.GetIncompleteVar().value.as_id);
EXPECT_EQ(1, var_tracker().GetRefCountForObject(plugin_object));
EXPECT_EQ(0u, sink().message_count());
}
// The out param should have done an "end send pass ref" on the plugin
// var serialization rules, which should have in turn released the reference
// in the var tracker. Since we only had one reference, this should have sent
// a release to the browser.
EXPECT_EQ(-1, var_tracker().GetRefCountForObject(plugin_object));
EXPECT_EQ(1u, sink().message_count());
// We don't bother validating that message since it's nontrivial and the
// PluginVarTracker test has cases that cover that this message is correct.
}
} // namespace proxy
} // namespace pp
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