diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/class/elements/gen-private-method/yield-spread-arr-single.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/class/elements/gen-private-method/yield-spread-arr-single.js | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/class/elements/gen-private-method/yield-spread-arr-single.js b/js/src/tests/test262/language/expressions/class/elements/gen-private-method/yield-spread-arr-single.js new file mode 100644 index 0000000000..e17af9fbec --- /dev/null +++ b/js/src/tests/test262/language/expressions/class/elements/gen-private-method/yield-spread-arr-single.js @@ -0,0 +1,85 @@ +// This file was procedurally generated from the following sources: +// - src/generators/yield-spread-arr-single.case +// - src/generators/default/class-expr-private-method.template +/*--- +description: Use yield value in a array spread position (Generator private method as a ClassExpression element) +esid: prod-GeneratorPrivateMethod +features: [generators, class-methods-private] +flags: [generated] +info: | + ClassElement : + PrivateMethodDefinition + + MethodDefinition : + GeneratorMethod + + 14.4 Generator Function Definitions + + GeneratorMethod : + * PropertyName ( UniqueFormalParameters ) { GeneratorBody } + + + Array Initializer + + SpreadElement[Yield, Await]: + ...AssignmentExpression[+In, ?Yield, ?Await] +---*/ +var arr = ['a', 'b', 'c']; + +var callCount = 0; + +var C = class { + *#gen() { + callCount += 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(false); +var item = iter.next(arr); +var value = item.value; + +assert.notSameValue(value, arr, 'value is a new array'); +assert(Array.isArray(value), 'value is an Array exotic object'); +assert.sameValue(value.length, 3) +assert.sameValue(value[0], 'a'); +assert.sameValue(value[1], 'b'); +assert.sameValue(value[2], 'c'); +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); |