test262/test/language/expressions/yield/formal-parameters-after-rea...

46 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: >
Formal parameters are valid yield expression operands.
flags: [onlyStrict]
features: [generators]
---*/
function* g(a, b, c, d) {
arguments[0] = 32;
arguments[1] = 54;
arguments[2] = 333;
yield a;
yield b;
yield c;
yield d;
}
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');