gecko/toolkit/devtools/server/tests/unit/test_trace_actor-04.js

101 lines
2.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests that enteredFrame packets are sent on frame entry and
* exitedFrame packets are sent on frame exit. Tests that the "name"
* trace type works for function declarations.
*/
let {defer} = 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_enter_exit_frame();
});
});
});
do_test_pending();
}
function test_enter_exit_frame()
{
let packetsSeen = 0;
let packetNames = [];
gTraceClient.addListener("enteredFrame", function(aEvent, aPacket) {
packetsSeen++;
do_check_eq(aPacket.type, "enteredFrame",
'enteredFrame response should have type "enteredFrame"');
do_check_eq(typeof aPacket.sequence, "number",
'enteredFrame response should have sequence number');
do_check_eq(typeof aPacket.name, "string",
'enteredFrame response should have function name');
packetNames[aPacket.sequence] = aPacket.name;
});
gTraceClient.addListener("exitedFrame", function(aEvent, aPacket) {
packetsSeen++;
do_check_eq(aPacket.type, "exitedFrame",
'exitedFrame response should have type "exitedFrame"');
do_check_eq(typeof aPacket.sequence, "number",
'exitedFrame response should have sequence number');
});
start_trace()
.then(eval_code)
.then(stop_trace)
.then(function() {
do_check_eq(packetsSeen, 10,
'Should have seen two packets for each of 5 stack frames');
do_check_eq(packetNames[2], "baz",
'Should have entered "baz" frame in third packet');
do_check_eq(packetNames[3], "bar",
'Should have entered "bar" frame in fourth packet');
do_check_eq(packetNames[4], "foo",
'Should have entered "foo" frame in fifth packet');
finishClient(gClient);
});
}
function start_trace()
{
let deferred = defer();
gTraceClient.startTrace(["name"], null, function() { deferred.resolve(); });
return deferred.promise;
}
function eval_code()
{
gDebuggee.eval("(" + function() {
function foo() {
return;
}
function bar() {
return foo();
}
function baz() {
return bar();
}
baz();
} + ")()");
}
function stop_trace()
{
let deferred = defer();
gTraceClient.stopTrace(null, function() { deferred.resolve(); });
return deferred.promise;
}