mirror of https://github.com/tc39/test262.git
65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/function-forms/dflt-params-duplicates.case
|
|
// - src/function-forms/syntax/cls-expr-async-meth.template
|
|
/*---
|
|
description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (class expression async method)
|
|
esid: sec-class-definitions-runtime-semantics-evaluation
|
|
features: [default-parameters]
|
|
flags: [generated]
|
|
negative:
|
|
phase: early
|
|
type: SyntaxError
|
|
info: |
|
|
ClassExpression : class BindingIdentifieropt ClassTail
|
|
|
|
1. If BindingIdentifieropt is not present, let className be undefined.
|
|
2. Else, let className be StringValue of BindingIdentifier.
|
|
3. 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
|
|
|
|
AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
|
|
|
|
1. Let propKey be the result of evaluating PropertyName.
|
|
2. ReturnIfAbrupt(propKey).
|
|
3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
|
|
let strict be false.
|
|
4. Let scope be the LexicalEnvironment of the running execution context.
|
|
5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
|
|
scope, strict).
|
|
[...]
|
|
|
|
|
|
14.1.2 Static Semantics: Early Errors
|
|
|
|
StrictFormalParameters : FormalParameters
|
|
|
|
- It is a Syntax Error if BoundNames of FormalParameters contains any
|
|
duplicate elements.
|
|
|
|
FormalParameters : FormalParameterList
|
|
|
|
- It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
|
|
false and BoundNames of FormalParameterList contains any duplicate
|
|
elements.
|
|
|
|
---*/
|
|
throw "Test262: This statement should not be evaluated.";
|
|
|
|
var C = class {
|
|
static async method(x = 0, x) {
|
|
|
|
}
|
|
};
|