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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 step(threadFront, cmd) {
return cmd(threadFront);
}
function getPauseLocation(packet) {
const { line, column } = packet.frame.where;
return { line, column };
}
function getPauseReturn(packet) {
return packet.why.frameFinished.return;
}
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 stepOutOfA(dbg, func, expectedLocation) {
await invokeAndPause(dbg, `${func}()`);
const { threadFront } = dbg;
await steps(threadFront, [stepOver, stepIn]);
const packet = await stepOut(threadFront);
deepEqual(
getPauseLocation(packet),
expectedLocation,
`step out location in ${func}`
);
await threadFront.resume();
}
async function stepOverInA(dbg, func, expectedLocation) {
await invokeAndPause(dbg, `${func}()`);
const { threadFront } = dbg;
await steps(threadFront, [stepOver, stepIn]);
let packet = await stepOver(threadFront);
equal(getPauseReturn(packet).ownPropertyLength, 1, "a() is returning obj");
packet = await stepOver(threadFront);
deepEqual(
getPauseLocation(packet),
expectedLocation,
`step out location in ${func}`
);
await dbg.threadFront.resume();
}
async function testStep(dbg, func, expectedValue) {
await stepOverInA(dbg, func, expectedValue);
await stepOutOfA(dbg, func, expectedValue);
}
function run_test() {
return (async function () {
const dbg = await setupTestFromUrl("stepping.js");
await testStep(dbg, "arithmetic", { line: 16, column: 8 });
await testStep(dbg, "composition", { line: 21, column: 3 });
await testStep(dbg, "chaining", { line: 26, column: 6 });
await testFinish(dbg);
})();
}