describe('toBeRejected', function() { it('passes if the actual is rejected', function() { var matchersUtil = new jasmineUnderTest.MatchersUtil(), matcher = jasmineUnderTest.asyncMatchers.toBeRejected(matchersUtil), actual = Promise.reject('AsyncExpectationSpec rejection'); return matcher.compare(actual).then(function(result) { expect(result).toEqual(jasmine.objectContaining({ pass: true })); }); }); it('fails if the actual is resolved', function() { var matchersUtil = new jasmineUnderTest.MatchersUtil(), matcher = jasmineUnderTest.asyncMatchers.toBeRejected(matchersUtil), actual = Promise.resolve(); return matcher.compare(actual).then(function(result) { expect(result).toEqual(jasmine.objectContaining({ pass: false })); }); }); it('fails if actual is not a promise', function() { var matchersUtil = new jasmineUnderTest.MatchersUtil(), matcher = jasmineUnderTest.asyncMatchers.toBeRejected(matchersUtil), actual = 'not a promise'; function f() { return matcher.compare(actual); } expect(f).toThrowError('Expected toBeRejected to be called on a promise.'); }); });