mirror of https://github.com/tc39/test262.git
68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/ary-ptrn-rest-obj-id.case
|
|
// - src/dstr-binding/default/cls-decl-async-gen-meth.template
|
|
/*---
|
|
description: Rest element containing an object binding pattern (class expression method)
|
|
esid: sec-class-definitions-runtime-semantics-evaluation
|
|
features: [async-iteration]
|
|
flags: [generated, async]
|
|
info: |
|
|
ClassDeclaration : class BindingIdentifier ClassTail
|
|
|
|
1. Let className be StringValue of BindingIdentifier.
|
|
2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
|
|
argument className.
|
|
[...]
|
|
|
|
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
|
|
|
|
21. For each ClassElement m in order from methods
|
|
a. If IsStatic of m is false, then
|
|
i. Let status be the result of performing
|
|
PropertyDefinitionEvaluation for m with arguments proto and
|
|
false.
|
|
[...]
|
|
|
|
Runtime Semantics: PropertyDefinitionEvaluation
|
|
|
|
AsyncGeneratorMethod :
|
|
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
|
|
{ AsyncGeneratorBody }
|
|
|
|
1. Let propKey be the result of evaluating PropertyName.
|
|
2. ReturnIfAbrupt(propKey).
|
|
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
|
|
Otherwise let strict be false.
|
|
4. Let scope be the running execution context's LexicalEnvironment.
|
|
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
|
|
AsyncGeneratorBody, scope, strict).
|
|
[...]
|
|
|
|
|
|
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
BindingRestElement : ... BindingPattern
|
|
|
|
1. Let A be ArrayCreate(0).
|
|
[...]
|
|
3. Repeat
|
|
[...]
|
|
b. If iteratorRecord.[[done]] is true, then
|
|
i. Return the result of performing BindingInitialization of
|
|
BindingPattern with A and environment as the arguments.
|
|
[...]
|
|
---*/
|
|
|
|
|
|
var callCount = 0;
|
|
class C {
|
|
async *method([...{ length }]) {
|
|
assert.sameValue(length, 3);
|
|
callCount = callCount + 1;
|
|
}
|
|
};
|
|
|
|
new C().method([1, 2, 3]).next().then(() => {
|
|
assert.sameValue(callCount, 1, 'invoked exactly once');
|
|
}).then($DONE, $DONE);
|