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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";
/**
* Check that setting a breakpoint on a line without code will skip
* forward when we know the script isn't GCed (the debugger is connected,
* so it's kept alive).
*/
var test_no_skip_breakpoint = async function (source, location, debuggee) {
const [response, bpClient] = await source.setBreakpoint(
Object.assign({}, location, { noSliding: true })
);
Assert.ok(!response.actualLocation);
Assert.equal(bpClient.location.line, debuggee.line0 + 3);
await bpClient.remove();
};
add_task(
threadFrontTest(({ threadFront, debuggee }) => {
return new Promise(resolve => {
threadFront.once("paused", async function (packet) {
const location = { line: debuggee.line0 + 3 };
const source = await getSourceById(
threadFront,
packet.frame.where.actor
);
// First, make sure that we can disable sliding with the
// `noSliding` option.
await test_no_skip_breakpoint(source, location, debuggee);
// Now make sure that the breakpoint properly slides forward one line.
const [response, bpClient] = await source.setBreakpoint(location);
Assert.ok(!!response.actualLocation);
Assert.equal(response.actualLocation.source.actor, source.actor);
Assert.equal(response.actualLocation.line, location.line + 1);
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);
// Remove the breakpoint.
bpClient.remove(function () {
threadFront.resume().then(resolve);
});
});
threadFront.resume();
});
// Use `evalInSandbox` to make the debugger treat it as normal
// globally-scoped code, where breakpoint sliding rules apply.
// prettier-ignore
Cu.evalInSandbox(
"var line0 = Error().lineNumber;\n" +
"debugger;\n" + // line0 + 1
"var a = 1;\n" + // line0 + 2
"// A comment.\n" + // line0 + 3
"var b = 2;", // line0 + 4
debuggee
);
});
})
);