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 scenarios where we're leaving function a and
* going to the function b's call-site.
*/
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 stepOutOfA(dbg, func, frameIndex, expectedLocation) {
const { threadFront } = dbg;
info("pause and step into a()");
await invokeAndPause(dbg, `${func}()`);
await steps(threadFront, [stepOver, stepIn, stepIn]);
const { frames } = await threadFront.frames(0, 5);
const frameActorID = frames[frameIndex].actorID;
const packet = await stepOut(threadFront, frameActorID);
deepEqual(
getPauseLocation(packet),
expectedLocation,
`step over location in ${func}`
);
await dbg.threadFront.resume();
}
async function stepOverInA(dbg, func, frameIndex, expectedLocation) {
const { threadFront } = dbg;
info("pause and step into a()");
await invokeAndPause(dbg, `${func}()`);
await steps(threadFront, [stepOver, stepIn]);
const { frames } = await threadFront.frames(0, 5);
const frameActorID = frames[frameIndex].actorID;
const packet = await stepOver(threadFront, frameActorID);
deepEqual(
getPauseLocation(packet),
expectedLocation,
`step over location in ${func}`
);
await dbg.threadFront.resume();
}
function run_test() {
return (async function () {
const dbg = await setupTestFromUrl("stepping.js");
info(`Test step over with the 1st frame`);
await stepOverInA(dbg, "arithmetic", 0, { line: 8, column: 0 });
info(`Test step over with the 2nd frame`);
await stepOverInA(dbg, "arithmetic", 1, { line: 17, column: 0 });
info(`Test step out with the 1st frame`);
await stepOutOfA(dbg, "nested", 0, { line: 31, column: 0 });
info(`Test step out with the 2nd frame`);
await stepOutOfA(dbg, "nested", 1, { line: 36, column: 0 });
await testFinish(dbg);
})();
}