test262/test/language/statements/for-of/throw-from-catch.js

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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.6.4.13
description: >
Control flow during body evaluation should honor `throw` statements within
the `catch` block of `try` statements.
features: [generators]
---*/
function* values() {
yield 1;
$ERROR('This code is unreachable (following `yield` statement).');
}
var CustomError = function() {};
var iterator = values();
var i = 0;
var error = new CustomError();
assert.throws(CustomError, function() {
for (var x of iterator) {
try {
throw new Error();
} catch (err) {
i++;
throw error;
$ERROR('This code is unreachable (following `throw` statement).');
}
$ERROR('This code is unreachable (following `try` statement).');
}
$ERROR('This code is unreachable (following `for..in` statement).');
});
assert.sameValue(i, 1);