after-same-line-static-async-gen-literal-names-asi.js (2255B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/class-elements/literal-names-asi.case 4 // - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template 5 /*--- 6 description: Literal property names with ASI (field definitions after a static async generator in the same line) 7 esid: prod-FieldDefinition 8 features: [class-fields-public, class, async-iteration] 9 flags: [generated, async] 10 includes: [propertyHelper.js] 11 info: | 12 ClassElement: 13 ... 14 FieldDefinition ; 15 16 FieldDefinition: 17 ClassElementName Initializer_opt 18 19 ClassElementName: 20 PropertyName 21 22 ---*/ 23 24 25 class C { 26 static async *m() { return 42; } a 27 b = 42;; 28 29 } 30 31 var c = new C(); 32 33 assert( 34 !Object.prototype.hasOwnProperty.call(c, "m"), 35 "m doesn't appear as an own property on the C instance" 36 ); 37 assert( 38 !Object.prototype.hasOwnProperty.call(C.prototype, "m"), 39 "m doesn't appear as an own property on the C prototype" 40 ); 41 42 verifyProperty(C, "m", { 43 enumerable: false, 44 configurable: true, 45 writable: true, 46 }, {restore: true}); 47 48 C.m().next().then(function(v) { 49 assert.sameValue(v.value, 42); 50 assert.sameValue(v.done, true); 51 52 function assertions() { 53 // Cover $DONE handler for async cases. 54 function $DONE(error) { 55 if (error) { 56 throw new Test262Error('Test262:AsyncTestFailure') 57 } 58 } 59 assert( 60 !Object.prototype.hasOwnProperty.call(C.prototype, "a"), 61 "a doesn't appear as an own property on C prototype" 62 ); 63 assert( 64 !Object.prototype.hasOwnProperty.call(C, "a"), 65 "a doesn't appear as an own property on C constructor" 66 ); 67 68 verifyProperty(c, "a", { 69 value: undefined, 70 enumerable: true, 71 writable: true, 72 configurable: true 73 }); 74 75 assert( 76 !Object.prototype.hasOwnProperty.call(C.prototype, "b"), 77 "b doesn't appear as an own property on C prototype" 78 ); 79 assert( 80 !Object.prototype.hasOwnProperty.call(C, "b"), 81 "b doesn't appear as an own property on C constructor" 82 ); 83 84 verifyProperty(c, "b", { 85 value: 42, 86 enumerable: true, 87 writable: true, 88 configurable: true 89 }); 90 } 91 92 return Promise.resolve(assertions()); 93 }).then($DONE, $DONE);