1 Tests for the descriptors of the properties implicitly defined by ES6 class syntax 2 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 4 5 6 PASS class A {}; descriptor(A, "prototype").writable is false 7 PASS class A {}; var x = A.prototype; A.prototype = 3; A.prototype is x 8 PASS class A {}; descriptor(A, "prototype").enumerable is false 9 PASS class A {}; A.foo = "foo"; enumeratedProperties(A).includes("foo") is true 10 PASS class A {}; enumeratedProperties(A).includes("prototype") is false 11 PASS class A {}; descriptor(A, "prototype").configurable is false 12 PASS class A {}; Object.defineProperty(A, "prototype", {value: "foo"}) threw exception TypeError: Cannot redefine property: prototype. 13 PASS class A { static foo() {} }; descriptor(A, "foo").writable is true 14 PASS class A { static foo() {} }; A.foo = 3; A.foo is 3 15 PASS class A { static foo() {} }; descriptor(A, "foo").enumerable is false 16 PASS class A { static foo() {} }; enumeratedProperties(A).includes("foo") is false 17 PASS class A { static foo() {} }; descriptor(A, "foo").configurable is true 18 PASS class A { static foo() {} }; Object.defineProperty(A, "foo", {value: "bar"}); A.foo is "bar" 19 PASS class A { static get foo() {} }; descriptor(A, "foo").writable is undefined 20 PASS class A { static get foo() { return 5; } }; A.foo = 3; A.foo is 5 21 PASS class A { static get foo() {} }; descriptor(A, "foo").enumerable is false 22 PASS class A { static get foo() {} }; enumeratedProperties(A).includes("foo") is false 23 PASS class A { static get foo() {} }; enumeratedProperties(new A).includes("foo") is false 24 PASS class A { static get foo() {} }; descriptor(A, "foo").configurable is true 25 PASS class A { static get foo() {} }; Object.defineProperty(A, "foo", {value: "bar"}); A.foo is "bar" 26 PASS class A { foo() {} }; descriptor(A.prototype, "foo").writable is true 27 PASS class A { foo() {} }; A.prototype.foo = 3; A.prototype.foo is 3 28 PASS class A { foo() {} }; descriptor(A.prototype, "foo").enumerable is false 29 PASS class A { foo() {} }; enumeratedProperties(A.prototype).includes("foo") is false 30 PASS class A { foo() {} }; enumeratedProperties(new A).includes("foo") is false 31 PASS class A { foo() {} }; descriptor(A.prototype, "foo").configurable is true 32 PASS class A { foo() {} }; Object.defineProperty(A.prototype, "foo", {value: "bar"}); A.prototype.foo is "bar" 33 PASS class A { get foo() {} }; descriptor(A.prototype, "foo").writable is undefined 34 PASS class A { get foo() { return 5; } }; A.prototype.foo = 3; A.prototype.foo is 5 35 PASS class A { get foo() {} }; descriptor(A.prototype, "foo").enumerable is false 36 PASS class A { get foo() {} }; enumeratedProperties(A.prototype).includes("foo") is false 37 PASS class A { get foo() {} }; enumeratedProperties(new A).includes("foo") is false 38 PASS class A { get foo() {} }; descriptor(A.prototype, "foo").configurable is true 39 PASS class A { get foo() {} }; Object.defineProperty(A.prototype, "foo", {value: "bar"}); A.prototype.foo is "bar" 40 PASS class A { }; descriptor(A.prototype, "constructor").writable is true 41 PASS class A { }; A.prototype.constructor = 3; A.prototype.constructor is 3 42 PASS class A { }; x = {}; A.prototype.constructor = function () { return x; }; (new A) instanceof A is true 43 PASS class A { }; descriptor(A.prototype, "constructor").enumerable is false 44 PASS class A { }; enumeratedProperties(A.prototype).includes("constructor") is false 45 PASS class A { }; enumeratedProperties(new A).includes("constructor") is false 46 PASS class A { }; descriptor(A.prototype, "constructor").configurable is true 47 PASS class A { }; Object.defineProperty(A.prototype, "constructor", {value: "bar"}); A.prototype.constructor is "bar" 48 PASS successfullyParsed is true 49 50 TEST COMPLETE 51
