Object-getPromiseReactions-01.js

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// Debugger.Object.prototype.getPromiseReactions throws on non-promises, but

// works on wrappers of promises.

load(libdir + 'asserts.js');

load(libdir + 'array-compare.js');

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

var dbg = new Debugger;

var DOg = dbg.addDebuggee(g);

assertThrowsInstanceOf(() => DOg.getPromiseReactions(), TypeError);

// Try retrieving an empty reaction list from an actual promise.

g.eval(`var p = Promise.resolve();`);

var DOgp = DOg.makeDebuggeeValue(g.p);

assertEq(true, arraysEqual(DOgp.getPromiseReactions(), []));

// Try a Debugger.Object of a cross-compartment wrapper of a promise. This

// should still work: the promise accessors generally do checked unwraps of

// their arguments.

var g2 = newGlobal({ newCompartment: true });

DOg2 = dbg.addDebuggee(g2);

var DOg2gp = DOg2.makeDebuggeeValue(g.p);

assertEq(DOgp, DOg2gp.unwrap());

assertEq(true, arraysEqual(DOg2gp.getPromiseReactions(), []));