gecko/toolkit/devtools/server/tests/unit/test_trace_client-01.js

102 lines
3.0 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests that TraceClient emits enteredFrame and exitedFrame events in
* order when receiving packets out of order.
*/
let {defer, resolve} = devtools.require("sdk/core/promise");
var gDebuggee;
var gClient;
var gTraceClient;
function run_test()
{
initTestTracerServer();
gDebuggee = addTestGlobal("test-tracer-actor");
gClient = new DebuggerClient(DebuggerServer.connectPipe());
gClient.connect(function() {
attachTestTab(gClient, "test-tracer-actor", function(aResponse, aTabClient) {
gClient.attachTracer(aResponse.traceActor, function(aResponse, aTraceClient) {
gTraceClient = aTraceClient;
test_packet_order();
});
});
});
do_test_pending();
}
function test_packet_order()
{
let sequence = 0;
function check_packet(aEvent, aPacket) {
do_check_eq(aPacket.sequence, sequence,
'packet should have sequence number ' + sequence);
sequence++;
}
gTraceClient.addListener("enteredFrame", check_packet);
gTraceClient.addListener("exitedFrame", check_packet);
start_trace()
.then(mock_packets)
.then(start_trace)
.then(mock_packets.bind(null, 14))
.then(stop_trace)
.then(stop_trace)
.then(function() {
// All traces were stopped, so the sequence number resets
sequence = 0;
return resolve();
})
.then(start_trace)
.then(mock_packets)
.then(stop_trace)
.then(function() {
finishClient(gClient);
});
}
function start_trace()
{
let deferred = defer();
gTraceClient.startTrace([], null, function() { deferred.resolve(); });
return deferred.promise;
}
function stop_trace()
{
let deferred = defer();
gTraceClient.stopTrace(null, function() { deferred.resolve(); });
return deferred.promise;
}
function mock_packets(s = 0)
{
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 5 });
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 3 });
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 2 });
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 4 });
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 1 });
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 7 });
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 8 });
// Triggers 0-5
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 0 });
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 9 });
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 10 });
// Triggers 6-10
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 6 });
// Each following packet is expected; event is fired immediately
gTraceClient.onPacket("", { type: "enteredFrame", sequence: s + 11 });
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 12 });
gTraceClient.onPacket("", { type: "exitedFrame", sequence: s + 13 });
}