test262/test/language/statements/for/dstr-const-ary-init-iter-ge...

57 lines
1.6 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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