same-line-async-method-computed-symbol-names.js (3007B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/class-elements/computed-symbol-names.case 4 // - src/class-elements/productions/cls-decl-after-same-line-async-method.template 5 /*--- 6 description: Computed property symbol names (field definitions after an async method in the same line) 7 esid: prod-FieldDefinition 8 features: [class-fields-public, Symbol, computed-property-names, class, async-functions] 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 var x = Symbol(); 24 var y = Symbol(); 25 26 27 28 class C { 29 async m() { return 42; } [x]; [y] = 42; 30 31 } 32 33 var c = new C(); 34 35 assert( 36 !Object.prototype.hasOwnProperty.call(c, "m"), 37 "m doesn't appear as an own property on the C instance" 38 ); 39 assert.sameValue(c.m, C.prototype.m); 40 41 verifyProperty(C.prototype, "m", { 42 enumerable: false, 43 configurable: true, 44 writable: true, 45 }, {restore: true}); 46 47 c.m().then(function(v) { 48 assert.sameValue(v, 42); 49 50 function assertions() { 51 // Cover $DONE handler for async cases. 52 function $DONE(error) { 53 if (error) { 54 throw new Test262Error('Test262:AsyncTestFailure') 55 } 56 } 57 assert( 58 !Object.prototype.hasOwnProperty.call(C.prototype, x), 59 "Symbol x doesn't appear as an own property on C prototype" 60 ); 61 assert( 62 !Object.prototype.hasOwnProperty.call(C, x), 63 "Symbol x doesn't appear as an own property on C constructor" 64 ); 65 66 verifyProperty(c, x, { 67 value: undefined, 68 enumerable: true, 69 writable: true, 70 configurable: true 71 }); 72 73 assert( 74 !Object.prototype.hasOwnProperty.call(C.prototype, y), 75 "Symbol y doesn't appear as an own property on C prototype" 76 ); 77 assert( 78 !Object.prototype.hasOwnProperty.call(C, y), 79 "Symbol y doesn't appear as an own property on C constructor" 80 ); 81 82 verifyProperty(c, y, { 83 value: 42, 84 enumerable: true, 85 writable: true, 86 configurable: true 87 }); 88 89 assert( 90 !Object.prototype.hasOwnProperty.call(C.prototype, "x"), 91 "x doesn't appear as an own property on C prototype" 92 ); 93 assert( 94 !Object.prototype.hasOwnProperty.call(C, "x"), 95 "x doesn't appear as an own property on C constructor" 96 ); 97 assert( 98 !Object.prototype.hasOwnProperty.call(c, "x"), 99 "x doesn't appear as an own property on C instance" 100 ); 101 102 assert( 103 !Object.prototype.hasOwnProperty.call(C.prototype, "y"), 104 "y doesn't appear as an own property on C prototype" 105 ); 106 assert( 107 !Object.prototype.hasOwnProperty.call(C, "y"), 108 "y doesn't appear as an own property on C constructor" 109 ); 110 assert( 111 !Object.prototype.hasOwnProperty.call(c, "y"), 112 "y doesn't appear as an own property on C instance" 113 ); 114 } 115 116 return Promise.resolve(assertions()); 117 }).then($DONE, $DONE);