describe('toBeUndefined', function() { it('passes for undefined values', function() { var matcher = jasmineUnderTest.matchers.toBeUndefined(), result; result = matcher.compare(void 0); expect(result.pass).toBe(true); }); it('fails when matching defined values', function() { var matcher = jasmineUnderTest.matchers.toBeUndefined(), result; result = matcher.compare('foo'); expect(result.pass).toBe(false); }); });