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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js new file mode 100644 index 0000000000..cf3eb131fd --- /dev/null +++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js @@ -0,0 +1,88 @@ +// This file was procedurally generated from the following sources: +// - src/generators/yield-spread-obj.case +// - src/generators/default/class-decl-private-method.template +/*--- +description: Use yield value in a object spread position (Generator private method as a ClassDeclaration element) +esid: prod-GeneratorPrivateMethod +features: [object-spread, generators, class-methods-private] +flags: [generated] +info: | + ClassElement : + PrivateMethodDefinition + + MethodDefinition : + GeneratorMethod + + 14.4 Generator Function Definitions + + GeneratorMethod : + * PropertyName ( UniqueFormalParameters ) { GeneratorBody } + + + Spread Properties + + PropertyDefinition[Yield]: + (...) + ...AssignmentExpression[In, ?Yield] + +---*/ + +var callCount = 0; + +class C { + *#gen() { + callCount += 1; + yield { + ...yield, + y: 1, + ...yield yield, + }; + } + get gen() { return this.#gen; } +} + +const c = new C(); + +// Test the private fields do not appear as properties before set to value +assert( + !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"), + "Private field '#gen' does not appear as an own property on C prototype" +); +assert( + !Object.prototype.hasOwnProperty.call(C, "#gen"), + "Private field '#gen' does not appear as an own property on C constructor" +); +assert( + !Object.prototype.hasOwnProperty.call(c, "#gen"), + "Private field '#gen' does not appear as an own property on C instance" +); + +var iter = c.gen(); + +iter.next(); +iter.next({ x: 42 }); +iter.next({ x: 'lol' }); +var item = iter.next({ y: 39 }); + +assert.sameValue(item.value.x, 42); +assert.sameValue(item.value.y, 39); +assert.sameValue(Object.keys(item.value).length, 2); +assert.sameValue(item.done, false); + +assert.sameValue(callCount, 1); + +// Test the private fields do not appear as properties after set to value +assert( + !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"), + "Private field '#gen' does not appear as an own property on C prototype" +); +assert( + !Object.prototype.hasOwnProperty.call(C, "#gen"), + "Private field '#gen' does not appear as an own property on C constructor" +); +assert( + !Object.prototype.hasOwnProperty.call(c, "#gen"), + "Private field '#gen' does not appear as an own property on C instance" +); + +reportCompare(0, 0); |