| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/obj-ptrn-prop-ary-value-null.case |
| // - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template |
| /*--- |
| description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression async generator method (default parameter)) |
| esid: sec-runtime-semantics-bindingclassdeclarationevaluation |
| features: [async-iteration] |
| flags: [generated] |
| 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 |
| b. Else, |
| Let status be the result of performing PropertyDefinitionEvaluation for |
| m with arguments F 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). |
| [...] |
| |
| 13.3.3.7 Runtime Semantics: KeyedBindingInitialization |
| |
| [...] |
| 3. If Initializer is present and v is undefined, then |
| [...] |
| 4. Return the result of performing BindingInitialization for BindingPattern |
| passing v and environment as arguments. |
| ---*/ |
| |
| |
| class C { |
| static async *method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) { |
| |
| } |
| }; |
| |
| var method = C.method; |
| |
| assert.throws(TypeError, function() { |
| method(); |
| }); |