surfaces-03.js - mozsearch

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// dumb basics of uncaughtExceptionHook

load(libdir + 'asserts.js');

var desc = Object.getOwnPropertyDescriptor(Debugger.prototype, "uncaughtExceptionHook");

assertEq(typeof desc.get, 'function');

assertEq(typeof desc.set, 'function');

assertThrowsInstanceOf(function () { Debugger.prototype.uncaughtExceptionHook = null; }, TypeError);

var g = newGlobal({newCompartment: true});

var dbg = new Debugger(g);

assertEq(desc.get.call(dbg), null);

assertThrowsInstanceOf(function () { dbg.uncaughtExceptionHook = []; }, TypeError);

assertThrowsInstanceOf(function () { dbg.uncaughtExceptionHook = 3; }, TypeError);

dbg.uncaughtExceptionHook = Math.sin;

assertEq(dbg.uncaughtExceptionHook, Math.sin);

dbg.uncaughtExceptionHook = null;

assertEq(dbg.uncaughtExceptionHook, null);