90 lines
3.1 KiB
JavaScript
90 lines
3.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/* eslint-disable no-shadow */
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"use strict";
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/**
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* Check that a breakpoint or a debugger statement cause execution to pause even
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* in a stepped-over function.
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*/
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add_task(
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threadFrontTest(async ({ threadFront, debuggee }) => {
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const packet = await executeOnNextTickAndWaitForPause(
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() => evaluateTestCode(debuggee),
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threadFront
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);
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const source = await getSourceById(threadFront, packet.frame.where.actor);
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const location = {
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sourceUrl: source.url,
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line: debuggee.line0 + 2,
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};
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//Pause at debugger statement.
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Assert.equal(packet.frame.where.line, debuggee.line0 + 4);
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Assert.equal(packet.why.type, "debuggerStatement");
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threadFront.setBreakpoint(location, {});
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const testCallbacks = [
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function (packet) {
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// Check that the stepping worked.
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Assert.equal(packet.frame.where.line, debuggee.line0 + 5);
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Assert.equal(packet.why.type, "resumeLimit");
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},
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function (packet) {
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// Reached the breakpoint.
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Assert.equal(packet.frame.where.line, location.line);
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Assert.equal(packet.why.type, "breakpoint");
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Assert.notEqual(packet.why.type, "resumeLimit");
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},
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function (packet) {
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// The frame is about to be popped while stepping.
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Assert.equal(packet.frame.where.line, debuggee.line0 + 3);
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Assert.notEqual(packet.why.type, "breakpoint");
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Assert.equal(packet.why.type, "resumeLimit");
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Assert.equal(packet.why.frameFinished.return.type, "undefined");
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},
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function (packet) {
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// Check that the debugger statement wasn't the reason for this pause.
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Assert.equal(debuggee.a, 1);
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Assert.equal(debuggee.b, undefined);
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Assert.equal(packet.frame.where.line, debuggee.line0 + 6);
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Assert.notEqual(packet.why.type, "debuggerStatement");
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Assert.equal(packet.why.type, "resumeLimit");
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},
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function (packet) {
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// Check that the debugger statement wasn't the reason for this pause.
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Assert.equal(packet.frame.where.line, debuggee.line0 + 7);
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Assert.notEqual(packet.why.type, "debuggerStatement");
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Assert.equal(packet.why.type, "resumeLimit");
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},
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];
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for (const callback of testCallbacks) {
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const waiter = waitForPause(threadFront);
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threadFront.stepOver();
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const packet = await waiter;
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callback(packet);
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}
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// Remove the breakpoint and finish.
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threadFront.removeBreakpoint(location);
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await threadFront.resume();
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})
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);
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function evaluateTestCode(debuggee) {
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// prettier-ignore
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Cu.evalInSandbox("var line0 = Error().lineNumber;\n" +
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"function foo() {\n" + // line0 + 1
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" this.a = 1;\n" + // line0 + 2 <-- Breakpoint is set here.
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"}\n" + // line0 + 3
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"debugger;\n" + // line0 + 4
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"foo();\n" + // line0 + 5
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"debugger;\n" + // line0 + 6
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"var b = 2;\n", // line0 + 7
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debuggee);
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}
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