Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: devtools/server/tests/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
/**
* Check restarting a frame and stepping out of the
* restarted frame.
*/
async function testFinish({ devToolsClient }) {
await close(devToolsClient);
do_test_finished();
}
async function invokeAndPause({ global, threadFront }, expression) {
return executeOnNextTickAndWaitForPause(
() => Cu.evalInSandbox(expression, global),
threadFront
);
}
async function steps(threadFront, sequence) {
const locations = [];
for (const cmd of sequence) {
const packet = await step(threadFront, cmd);
locations.push(getPauseLocation(packet));
}
return locations;
}
async function step(threadFront, cmd) {
return cmd(threadFront);
}
function getPauseLocation(packet) {
const { line, column } = packet.frame.where;
return { line, column };
}
async function restartFrame0(dbg, func, expectedLocation) {
const { threadFront } = dbg;
info("pause and step into a()");
await invokeAndPause(dbg, `${func}()`);
await steps(threadFront, [stepOver, stepIn]);
info("restart the youngest frame a()");
const { frames } = await threadFront.frames(0, 5);
const frameActorID = frames[0].actorID;
const packet = await restartFrame(threadFront, frameActorID);
deepEqual(
getPauseLocation(packet),
expectedLocation,
"pause location in the restarted frame a()"
);
}
async function restartFrame1(dbg, func, expectedLocation) {
const { threadFront } = dbg;
info("pause and step into b()");
await invokeAndPause(dbg, `${func}()`);
await steps(threadFront, [stepOver, stepIn, stepIn]);
info("restart the frame with index 1");
const { frames } = await threadFront.frames(0, 5);
const frameActorID = frames[1].actorID;
const packet = await restartFrame(threadFront, frameActorID);
deepEqual(
getPauseLocation(packet),
expectedLocation,
"pause location in the restarted frame c()"
);
}
async function stepOutRestartedFrame(
dbg,
restartedFrameName,
expectedLocation,
expectedCallstackLength
) {
const { threadFront } = dbg;
const { frames } = await threadFront.frames(0, 5);
Assert.equal(
frames.length,
expectedCallstackLength,
`the callstack length after restarting frame ${restartedFrameName}()`
);
info(`step out of the restarted frame ${restartedFrameName}()`);
const frameActorID = frames[0].actorID;
const packet = await stepOut(threadFront, frameActorID);
deepEqual(getPauseLocation(packet), expectedLocation, `step out location`);
}
function run_test() {
return (async function () {
const dbg = await setupTestFromUrl("stepping.js");
info(`Test restarting the youngest frame`);
await restartFrame0(dbg, "arithmetic", { line: 7, column: 2 });
await stepOutRestartedFrame(dbg, "a", { line: 16, column: 8 }, 3);
await dbg.threadFront.resume();
info(`Test restarting the frame with the index 1`);
await restartFrame1(dbg, "nested", { line: 30, column: 2 });
await stepOutRestartedFrame(dbg, "c", { line: 36, column: 0 }, 3);
await dbg.threadFront.resume();
await testFinish(dbg);
})();
}