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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/messagebus/emptyreply.h>
#include <vespa/messagebus/imessagehandler.h>
#include <vespa/messagebus/replygate.h>
#include <vespa/messagebus/routablequeue.h>
#include <vespa/messagebus/testlib/simplemessage.h>
#include <vespa/vespalib/testkit/testapp.h>
using namespace mbus;
namespace {
struct MyGate : public ReplyGate {
static int ctorCnt;
static int dtorCnt;
MyGate(IMessageHandler &sender) : ReplyGate(sender) {
++ctorCnt;
}
~MyGate() override {
++dtorCnt;
}
};
int MyGate::ctorCnt = 0;
int MyGate::dtorCnt = 0;
struct MyReply : public EmptyReply {
static int ctorCnt;
static int dtorCnt;
MyReply() : EmptyReply() {
++ctorCnt;
}
~MyReply() override {
++dtorCnt;
}
};
int MyReply::ctorCnt = 0;
int MyReply::dtorCnt = 0;
struct MySender : public IMessageHandler {
// giving a sync reply here is against the API contract, but it is
// ok for testing.
void handleMessage(Message::UP msg) override {
auto reply = std::make_unique<MyReply>();
msg->swapState(*reply);
IReplyHandler &handler = reply->getCallStack().pop(*reply);
handler.handleReply(std::move(reply));
}
};
}
TEST("replygate_test") {
{
RoutableQueue q;
MySender sender;
auto gate = vespalib::make_ref_counted<MyGate>(sender);
{
auto msg = std::make_unique<SimpleMessage>("test");
msg->pushHandler(q);
gate->handleMessage(std::move(msg));
}
EXPECT_TRUE(q.size() == 1);
EXPECT_TRUE(MyReply::ctorCnt == 1);
EXPECT_TRUE(MyReply::dtorCnt == 0);
gate->close();
{
auto msg = std::make_unique<SimpleMessage>("test");
msg->pushHandler(q);
gate->handleMessage(std::move(msg));
}
EXPECT_TRUE(q.size() == 1);
EXPECT_TRUE(MyReply::ctorCnt == 2);
EXPECT_TRUE(MyReply::dtorCnt == 1);
EXPECT_TRUE(MyGate::ctorCnt == 1);
EXPECT_TRUE(MyGate::dtorCnt == 0);
gate.reset();
EXPECT_TRUE(MyGate::ctorCnt == 1);
EXPECT_TRUE(MyGate::dtorCnt == 1);
}
EXPECT_TRUE(MyReply::ctorCnt == 2);
EXPECT_TRUE(MyReply::dtorCnt == 2);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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