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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
add_task(async function() {
// Throwing an error inside a JS callback in xpconnect should preserve
// the columnNumber.
const tests = [
// Parser error.
{
throwError() {
eval("a b");
},
messagePattern: /unexpected token/,
lineNumber: 1,
columnNumber: 3,
},
// Runtime error.
{
throwError() { // line = 21
not_found();
},
messagePattern: /is not defined/,
lineNumber: 22,
columnNumber: 9,
},
];
for (const test of tests) {
const { promise, resolve } = Promise.withResolvers();
const listener = {
observe(msg) {
if (msg instanceof Ci.nsIScriptError) {
resolve(msg);
}
}
};
try {
Services.console.registerListener(listener);
try {
const obs = Cc["@mozilla.org/observer-service;1"]
.getService(Ci.nsIObserverService);
obs.addObserver(test.throwError, "test-obs", false);
obs.notifyObservers(null, "test-obs");
} catch {}
const msg = await promise;
Assert.stringMatches(msg.errorMessage, test.messagePattern);
Assert.equal(msg.lineNumber, test.lineNumber);
Assert.equal(msg.columnNumber, test.columnNumber);
} finally {
Services.console.unregisterListener(listener);
}
}
});
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