mirror of https://github.com/tc39/test262.git
57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-init-iter-get-err.case
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// - src/dstr-binding/error/for-let.template
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/*---
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description: Abrupt completion returned by GetIterator (for statement)
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esid: sec-for-statement-runtime-semantics-labelledevaluation
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es6id: 13.7.4.7
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features: [Symbol.iterator, destructuring-binding]
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flags: [generated]
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info: |
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IterationStatement :
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for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
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[...]
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7. Let forDcl be the result of evaluating LexicalDeclaration.
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[...]
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LexicalDeclaration : LetOrConst BindingList ;
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1. Let next be the result of evaluating BindingList.
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2. ReturnIfAbrupt(next).
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3. Return NormalCompletion(empty).
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BindingList : BindingList , LexicalBinding
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1. Let next be the result of evaluating BindingList.
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2. ReturnIfAbrupt(next).
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3. Return the result of evaluating LexicalBinding.
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LexicalBinding : BindingPattern Initializer
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1. Let rhs be the result of evaluating Initializer.
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2. Let value be GetValue(rhs).
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3. ReturnIfAbrupt(value).
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4. Let env be the running execution context’s LexicalEnvironment.
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5. Return the result of performing BindingInitialization for BindingPattern
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using value and env as the arguments.
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13.3.3.5 Runtime Semantics: BindingInitialization
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BindingPattern : ArrayBindingPattern
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1. Let iterator be GetIterator(value).
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2. ReturnIfAbrupt(iterator).
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---*/
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var iter = {};
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iter[Symbol.iterator] = function() {
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throw new Test262Error();
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};
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assert.throws(Test262Error, function() {
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for (let [x] = iter; ; ) {
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return;
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}
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});
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