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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.
/* eslint-disable no-shadow */
"use strict";
/**
* Check that a breakpoint or a debugger statement cause execution to pause even
* in a stepped-over function.
*/
add_task(
threadFrontTest(async ({ threadFront, debuggee }) => {
const packet = await executeOnNextTickAndWaitForPause(
() => evaluateTestCode(debuggee),
threadFront
);
const source = await getSourceById(threadFront, packet.frame.where.actor);
const location = {
sourceUrl: source.url,
line: debuggee.line0 + 2,
};
//Pause at debugger statement.
Assert.equal(packet.frame.where.line, debuggee.line0 + 4);
Assert.equal(packet.why.type, "debuggerStatement");
threadFront.setBreakpoint(location, {});
const testCallbacks = [
function (packet) {
// Check that the stepping worked.
Assert.equal(packet.frame.where.line, debuggee.line0 + 5);
Assert.equal(packet.why.type, "resumeLimit");
},
function (packet) {
// Reached the breakpoint.
Assert.equal(packet.frame.where.line, location.line);
Assert.equal(packet.why.type, "breakpoint");
Assert.notEqual(packet.why.type, "resumeLimit");
},
function (packet) {
// The frame is about to be popped while stepping.
Assert.equal(packet.frame.where.line, debuggee.line0 + 3);
Assert.notEqual(packet.why.type, "breakpoint");
Assert.equal(packet.why.type, "resumeLimit");
Assert.equal(packet.why.frameFinished.return.type, "undefined");
},
function (packet) {
// Check that the debugger statement wasn't the reason for this pause.
Assert.equal(debuggee.a, 1);
Assert.equal(debuggee.b, undefined);
Assert.equal(packet.frame.where.line, debuggee.line0 + 6);
Assert.notEqual(packet.why.type, "debuggerStatement");
Assert.equal(packet.why.type, "resumeLimit");
},
function (packet) {
// Check that the debugger statement wasn't the reason for this pause.
Assert.equal(packet.frame.where.line, debuggee.line0 + 7);
Assert.notEqual(packet.why.type, "debuggerStatement");
Assert.equal(packet.why.type, "resumeLimit");
},
];
for (const callback of testCallbacks) {
const waiter = waitForPause(threadFront);
threadFront.stepOver();
const packet = await waiter;
callback(packet);
}
// Remove the breakpoint and finish.
threadFront.removeBreakpoint(location);
await threadFront.resume();
})
);
function evaluateTestCode(debuggee) {
// prettier-ignore
Cu.evalInSandbox("var line0 = Error().lineNumber;\n" +
"function foo() {\n" + // line0 + 1
" this.a = 1;\n" + // line0 + 2 <-- Breakpoint is set here.
"}\n" + // line0 + 3
"debugger;\n" + // line0 + 4
"foo();\n" + // line0 + 5
"debugger;\n" + // line0 + 6
"var b = 2;\n", // line0 + 7
debuggee);
}