test262/test/language/expressions/yield/arguments-object-attributes.js
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

41 lines
1.2 KiB
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: >
Attributes of the `arguments` object are valid yield expression operands.
---*/
function* g() {
yield arguments[0];
yield arguments[1];
yield arguments[2];
yield arguments[3];
}
var iter = g(23, 45, 33);
var result;
result = iter.next();
assert.sameValue(result.value, 23, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
result = iter.next();
assert.sameValue(result.value, 45, 'Second result `value`');
assert.sameValue(result.done, false, 'Second result `done` flag');
result = iter.next();
assert.sameValue(result.value, 33, 'Third result `value`');
assert.sameValue(result.done, false, 'Third result `done` flag');
result = iter.next();
assert.sameValue(
result.value, undefined, 'Fourth result `value` (unspecified parameter)'
);
assert.sameValue(
result.done, false, 'Fourth result `done` flag (unspecified parameter)'
);
result = iter.next();
assert.sameValue(result.value, undefined, 'Final result `value`');
assert.sameValue(result.done, true, 'Final result `done` flag');