1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/* 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, client, 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);
}
|
