mirror of https://github.com/tc39/test262.git
Add ArrayBindingPattern destructuring tests
This commit is contained in:
parent
1d513c3a50
commit
4d9944e014
|
@ -0,0 +1,44 @@
|
|||
// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
|
||||
// This code is governed by the BSD license found in the LICENSE file.
|
||||
/*---
|
||||
esid: sec-destructuring-binding-patterns-runtime-semantics-bindinginitialization
|
||||
description: >
|
||||
Destructuring initializer is not evaluated when value is an object
|
||||
with [[IsHTMLDDA]] internal slot.
|
||||
info: |
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
1. Let iteratorRecord be ? GetIterator(value).
|
||||
2. Let result be IteratorBindingInitialization of ArrayBindingPattern with arguments
|
||||
iteratorRecord and environment.
|
||||
3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
|
||||
4. Return result.
|
||||
|
||||
Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializer[opt]
|
||||
|
||||
[...]
|
||||
5. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
6. If environment is undefined, return ? PutValue(lhs, v).
|
||||
features: [destructuring-binding, IsHTMLDDA]
|
||||
---*/
|
||||
|
||||
var IsHTMLDDA = $262.IsHTMLDDA;
|
||||
var initCount = 0;
|
||||
var counter = function() {
|
||||
initCount += 1;
|
||||
};
|
||||
|
||||
var x;
|
||||
([x = counter()] = [IsHTMLDDA]);
|
||||
|
||||
assert.sameValue(x, IsHTMLDDA);
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
var base = {};
|
||||
([base.y = counter()] = [IsHTMLDDA]);
|
||||
|
||||
assert.sameValue(base.y, IsHTMLDDA);
|
||||
assert.sameValue(initCount, 0);
|
|
@ -0,0 +1,37 @@
|
|||
// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
|
||||
// This code is governed by the BSD license found in the LICENSE file.
|
||||
/*---
|
||||
esid: sec-destructuring-binding-patterns-runtime-semantics-bindinginitialization
|
||||
description: >
|
||||
Destructuring initializer is not evaluated when value is an object
|
||||
with [[IsHTMLDDA]] internal slot.
|
||||
info: |
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
1. Let iteratorRecord be ? GetIterator(value).
|
||||
2. Let result be IteratorBindingInitialization of ArrayBindingPattern with arguments
|
||||
iteratorRecord and environment.
|
||||
3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
|
||||
4. Return result.
|
||||
|
||||
Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializer[opt]
|
||||
|
||||
[...]
|
||||
5. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
6. If environment is undefined, return ? PutValue(lhs, v).
|
||||
features: [destructuring-binding, IsHTMLDDA]
|
||||
---*/
|
||||
|
||||
let initCount = 0;
|
||||
const counter = function() {
|
||||
initCount += 1;
|
||||
};
|
||||
|
||||
const IsHTMLDDA = $262.IsHTMLDDA;
|
||||
const [x = counter()] = [IsHTMLDDA];
|
||||
|
||||
assert.sameValue(x, IsHTMLDDA);
|
||||
assert.sameValue(initCount, 0);
|
Loading…
Reference in New Issue