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21 changes: 18 additions & 3 deletions
21
...for-of/iterator-close-get-method-error.js → ...ator-close-non-throw-get-method-abrupt.js
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47 changes: 47 additions & 0 deletions
47
test/language/statements/for-of/iterator-close-non-throw-get-method-non-callable.js
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// Copyright (C) 2020 Alexey Shvayka. All rights reserved. | ||
// This code is governed by the BSD license found in the LICENSE file. | ||
/*--- | ||
esid: sec-iteratorclose | ||
description: > | ||
If retrieving an iterator's `return` method generates an error while | ||
closing the iterator with non-throw completion, the error should be | ||
forwarded to the runtime. | ||
info: | | ||
IteratorClose ( iteratorRecord, completion ) | ||
[...] | ||
4. Let innerResult be GetMethod(iterator, "return"). | ||
5. If innerResult.[[Type]] is normal, | ||
[...] | ||
6. If completion.[[Type]] is throw, return Completion(completion). | ||
7. If innerResult.[[Type]] is throw, return Completion(innerResult). | ||
GetMethod ( V, P ) | ||
[...] | ||
2. Let func be ? GetV(V, P). | ||
3. If func is either undefined or null, return undefined. | ||
4. If IsCallable(func) is false, throw a TypeError exception. | ||
features: [Symbol.iterator] | ||
---*/ | ||
|
||
var iterable = {}; | ||
var iterationCount = 0; | ||
|
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iterable[Symbol.iterator] = function() { | ||
return { | ||
next: function() { | ||
return { done: false, value: null }; | ||
}, | ||
return: 1, | ||
}; | ||
}; | ||
|
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assert.throws(TypeError, function() { | ||
for (var x of iterable) { | ||
iterationCount += 1; | ||
break; | ||
} | ||
}); | ||
|
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assert.sameValue(iterationCount, 1, 'The loop body is evaluated'); |
46 changes: 46 additions & 0 deletions
46
test/language/statements/for-of/iterator-close-throw-get-method-abrupt.js
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@@ -0,0 +1,46 @@ | ||
// Copyright (C) 2020 Alexey Shvayka. All rights reserved. | ||
// This code is governed by the BSD license found in the LICENSE file. | ||
/*--- | ||
esid: sec-iteratorclose | ||
description: > | ||
If retrieving an iterator's `return` method generates an error while | ||
closing the iterator with throw completion, this error should be suppressed. | ||
info: | | ||
IteratorClose ( iteratorRecord, completion ) | ||
[...] | ||
4. Let innerResult be GetMethod(iterator, "return"). | ||
5. If innerResult.[[Type]] is normal, | ||
[...] | ||
6. If completion.[[Type]] is throw, return Completion(completion). | ||
7. If innerResult.[[Type]] is throw, return Completion(innerResult). | ||
GetMethod ( V, P ) | ||
[...] | ||
2. Let func be ? GetV(V, P). | ||
features: [Symbol.iterator] | ||
---*/ | ||
|
||
var iterable = {}; | ||
var iterationCount = 0; | ||
|
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iterable[Symbol.iterator] = function() { | ||
return { | ||
next: function() { | ||
return { done: false, value: null }; | ||
}, | ||
get return() { | ||
throw { name: 'inner error' }; | ||
}, | ||
}; | ||
}; | ||
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assert.throws(Test262Error, function() { | ||
for (var x of iterable) { | ||
iterationCount += 1; | ||
throw new Test262Error('should not be overriden'); | ||
} | ||
}); | ||
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assert.sameValue(iterationCount, 1, 'The loop body is evaluated'); |
46 changes: 46 additions & 0 deletions
46
test/language/statements/for-of/iterator-close-throw-get-method-non-callable.js
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@@ -0,0 +1,46 @@ | ||
// Copyright (C) 2020 Alexey Shvayka. All rights reserved. | ||
// This code is governed by the BSD license found in the LICENSE file. | ||
/*--- | ||
esid: sec-iteratorclose | ||
description: > | ||
If retrieving an iterator's `return` method generates an error while | ||
closing the iterator with throw completion, this error should be suppressed. | ||
info: | | ||
IteratorClose ( iteratorRecord, completion ) | ||
[...] | ||
4. Let innerResult be GetMethod(iterator, "return"). | ||
5. If innerResult.[[Type]] is normal, | ||
[...] | ||
6. If completion.[[Type]] is throw, return Completion(completion). | ||
7. If innerResult.[[Type]] is throw, return Completion(innerResult). | ||
GetMethod ( V, P ) | ||
[...] | ||
2. Let func be ? GetV(V, P). | ||
3. If func is either undefined or null, return undefined. | ||
4. If IsCallable(func) is false, throw a TypeError exception. | ||
features: [Symbol.iterator] | ||
---*/ | ||
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var iterable = {}; | ||
var iterationCount = 0; | ||
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iterable[Symbol.iterator] = function() { | ||
return { | ||
next: function() { | ||
return { done: false, value: null }; | ||
}, | ||
return: 'str', | ||
}; | ||
}; | ||
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assert.throws(Test262Error, function() { | ||
for (var x of iterable) { | ||
iterationCount += 1; | ||
throw new Test262Error('should not be overriden'); | ||
} | ||
}); | ||
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assert.sameValue(iterationCount, 1, 'The loop body is evaluated'); |