mirror of https://github.com/tc39/test262.git
97 lines
3.0 KiB
JavaScript
97 lines
3.0 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
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// - src/dstr-binding/default/cls-decl-gen-meth-static.template
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/*---
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description: Rest element containing an "empty" array pattern (static class expression generator method)
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esid: sec-runtime-semantics-bindingclassdeclarationevaluation
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es6id: 14.5.15
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features: [generators, destructuring-binding]
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flags: [generated]
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info: |
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ClassDeclaration : class BindingIdentifier ClassTail
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1. Let className be StringValue of BindingIdentifier.
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2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
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argument className.
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[...]
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14.5.14 Runtime Semantics: ClassDefinitionEvaluation
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21. For each ClassElement m in order from methods
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a. If IsStatic of m is false, then
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b. Else,
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Let status be the result of performing PropertyDefinitionEvaluation for
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m with arguments F and false.
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[...]
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14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
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GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
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1. Let propKey be the result of evaluating PropertyName.
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2. ReturnIfAbrupt(propKey).
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3. If the function code for this GeneratorMethod is strict mode code,
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let strict be true. Otherwise let strict be false.
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4. Let scope be the running execution context's LexicalEnvironment.
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5. Let closure be GeneratorFunctionCreate(Method,
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StrictFormalParameters, GeneratorBody, scope, strict).
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9.2.1 [[Call]] ( thisArgument, argumentsList)
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[...]
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7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
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[...]
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9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
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1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
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[...]
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9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
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[...]
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23. Let iteratorRecord be Record {[[iterator]]:
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CreateListIterator(argumentsList), [[done]]: false}.
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24. If hasDuplicates is true, then
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[...]
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25. Else,
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b. Let formalStatus be IteratorBindingInitialization for formals with
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iteratorRecord and env as arguments.
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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BindingRestElement : ... BindingPattern
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1. Let A be ArrayCreate(0).
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[...]
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3. Repeat
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[...]
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b. If iteratorRecord.[[done]] is true, then
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i. Return the result of performing BindingInitialization of
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BindingPattern with A and environment as the arguments.
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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ArrayBindingPattern : [ ]
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1. Return NormalCompletion(empty).
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---*/
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var iterations = 0;
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var iter = function*() {
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iterations += 1;
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}();
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var callCount = 0;
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class C {
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static *method([...[]]) {
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assert.sameValue(iterations, 1);
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callCount = callCount + 1;
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}
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};
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C.method(iter).next();
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assert.sameValue(callCount, 1, 'method invoked exactly once');
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