Mypal/devtools/server/tests/unit/test_breakpoint-03.js
2019-03-11 13:26:37 +03:00

97 lines
3.2 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Check that setting a breakpoint on a line without code will skip
* forward when we know the script isn't GCed (the debugger is connected,
* so it's kept alive).
*/
var gDebuggee;
var gClient;
var gThreadClient;
var gCallback;
function run_test()
{
run_test_with_server(DebuggerServer, function () {
run_test_with_server(WorkerDebuggerServer, do_test_finished);
});
do_test_pending();
}
function run_test_with_server(aServer, aCallback)
{
gCallback = aCallback;
initTestDebuggerServer(aServer);
gDebuggee = addTestGlobal("test-stack", aServer);
gClient = new DebuggerClient(aServer.connectPipe());
gClient.connect().then(function () {
attachTestTabAndResume(gClient,
"test-stack",
function (aResponse, aTabClient, aThreadClient) {
gThreadClient = aThreadClient;
test_skip_breakpoint();
});
});
}
var test_no_skip_breakpoint = Task.async(function*(source, location) {
let [aResponse, bpClient] = yield source.setBreakpoint(
Object.assign({}, location, { noSliding: true })
);
do_check_true(!aResponse.actualLocation);
do_check_eq(bpClient.location.line, gDebuggee.line0 + 3);
yield bpClient.remove();
});
var test_skip_breakpoint = function() {
gThreadClient.addOneTimeListener("paused", Task.async(function *(aEvent, aPacket) {
let location = { line: gDebuggee.line0 + 3 };
let source = gThreadClient.source(aPacket.frame.where.source);
// First, make sure that we can disable sliding with the
// `noSliding` option.
yield test_no_skip_breakpoint(source, location);
// Now make sure that the breakpoint properly slides forward one line.
const [aResponse, bpClient] = yield source.setBreakpoint(location);
do_check_true(!!aResponse.actualLocation);
do_check_eq(aResponse.actualLocation.source.actor, source.actor);
do_check_eq(aResponse.actualLocation.line, location.line + 1);
gThreadClient.addOneTimeListener("paused", function (aEvent, aPacket) {
// Check the return value.
do_check_eq(aPacket.type, "paused");
do_check_eq(aPacket.frame.where.source.actor, source.actor);
do_check_eq(aPacket.frame.where.line, location.line + 1);
do_check_eq(aPacket.why.type, "breakpoint");
do_check_eq(aPacket.why.actors[0], bpClient.actor);
// Check that the breakpoint worked.
do_check_eq(gDebuggee.a, 1);
do_check_eq(gDebuggee.b, undefined);
// Remove the breakpoint.
bpClient.remove(function (aResponse) {
gThreadClient.resume(function () {
gClient.close().then(gCallback);
});
});
});
gThreadClient.resume();
}));
// Use `evalInSandbox` to make the debugger treat it as normal
// globally-scoped code, where breakpoint sliding rules apply.
Cu.evalInSandbox(
"var line0 = Error().lineNumber;\n" +
"debugger;\n" + // line0 + 1
"var a = 1;\n" + // line0 + 2
"// A comment.\n" + // line0 + 3
"var b = 2;", // line0 + 4
gDebuggee
);
}