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Test Info: Warnings
- This test gets skipped with pattern: os == 'android' OR true
- Manifest: devtools/server/tests/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
/* eslint-disable no-shadow, max-nested-callbacks */
"use strict";
/**
* Make sure that setting a breakpoint twice in a line without bytecodes works
* as expected.
*/
const NUM_BREAKPOINTS = 10;
var gBpActor;
var gCount;
add_task(
threadFrontTest(({ threadFront, debuggee }) => {
return new Promise(resolve => {
threadFront.once("paused", async function (packet) {
const source = await getSourceById(
threadFront,
packet.frame.where.actor
);
const location = { line: debuggee.line0 + 3 };
source.setBreakpoint(location).then(function ([response]) {
// Check that the breakpoint has properly skipped forward one line.
Assert.equal(response.actualLocation.source.actor, source.actor);
Assert.equal(response.actualLocation.line, location.line + 1);
gBpActor = response.actor;
// Set more breakpoints at the same location.
set_breakpoints(source, location);
});
});
/* eslint-disable no-multi-spaces */
Cu.evalInSandbox(
"var line0 = Error().lineNumber;\n" +
"function foo() {\n" + // line0 + 1
" this.a = 1;\n" + // line0 + 2
" // A comment.\n" + // line0 + 3
" this.b = 2;\n" + // line0 + 4
"}\n" + // line0 + 5
"debugger;\n" + // line0 + 6
"foo();\n", // line0 + 7
debuggee
);
/* eslint-enable no-multi-spaces */
// Set many breakpoints at the same location.
function set_breakpoints(source, location) {
Assert.notEqual(gCount, NUM_BREAKPOINTS);
source.setBreakpoint(location).then(function ([response, bpClient]) {
// Check that the breakpoint has properly skipped forward one line.
Assert.equal(response.actualLocation.source.actor, source.actor);
Assert.equal(response.actualLocation.line, location.line + 1);
// Check that the same breakpoint actor was returned.
Assert.equal(response.actor, gBpActor);
if (++gCount < NUM_BREAKPOINTS) {
set_breakpoints(source, location);
return;
}
// After setting all the breakpoints, check that only one has effectively
// remained.
threadFront.once("paused", function (packet) {
// Check the return value.
Assert.equal(packet.frame.where.actor, source.actor);
Assert.equal(packet.frame.where.line, location.line + 1);
Assert.equal(packet.why.type, "breakpoint");
Assert.equal(packet.why.actors[0], bpClient.actor);
// Check that the breakpoint worked.
Assert.equal(debuggee.a, 1);
Assert.equal(debuggee.b, undefined);
threadFront.once("paused", function () {
// We don't expect any more pauses after the breakpoint was hit once.
Assert.ok(false);
});
threadFront.resume().then(function () {
// Give any remaining breakpoints a chance to trigger.
do_timeout(1000, resolve);
});
});
// Continue until the breakpoint is hit.
threadFront.resume();
});
}
});
})
);