Mike Pennisi 779a59f30c Import tests from Google V8 (generators semantics)
These tests are derived from the following files within the Google V8
project:

    test/mjsunit/es6/generators-iteration.js
    test/mjsunit/es6/generators-objects.js
    test/mjsunit/es6/generators-runtime.js
    test/mjsunit/es6/generators-states.js
2015-05-07 19:11:47 -04:00

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989 B
JavaScript

// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.2
description: >
When a string is the operand of a `yield *` expression, the generator
should produce an iterator that visits each character in order.
---*/
function* g() {
yield* 'abc';
}
var iter = g();
var result;
result = iter.next();
assert.sameValue(result.value, 'a', 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
result = iter.next();
assert.sameValue(result.value, 'b', 'Second result `value`');
assert.sameValue(result.done, false, 'Second result `done` flag');
result = iter.next();
assert.sameValue(result.value, 'c', 'Third result `value`');
assert.sameValue(result.done, false, 'Third result `done` flag');
result = iter.next();
assert.sameValue(result.value, undefined, 'Final result `value`');
assert.sameValue(result.done, true, 'Final result `done` flag');