1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// This file was written by Andy Wingo <wingo@igalia.com> and originally
// contributed to V8 as generators-objects.js, available here:
//
// http://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/harmony/generators-objects.js
// Test aspects of the generator runtime.
// Test the properties and prototype of a generator object.
function TestGeneratorObject() {
function* g() { yield 1; }
var iter = g();
assertEq(Object.getPrototypeOf(iter), g.prototype);
assertTrue(iter instanceof g);
assertEq(String(iter), "[object Generator]");
assertDeepEq(Object.getOwnPropertyNames(iter), []);
assertNotEq(g(), iter);
}
TestGeneratorObject();
// Test the methods of generator objects.
function TestGeneratorObjectMethods() {
function* g() { yield 1; }
var iter = g();
assertEq(iter.next.length, 1);
assertEq(iter.return.length, 1);
assertEq(iter.throw.length, 1);
function TestNonGenerator(non_generator) {
assertThrowsInstanceOf(function() { iter.next.call(non_generator); }, TypeError);
assertThrowsInstanceOf(function() { iter.next.call(non_generator, 1); }, TypeError);
assertThrowsInstanceOf(function() { iter.return.call(non_generator, 1); }, TypeError);
assertThrowsInstanceOf(function() { iter.throw.call(non_generator, 1); }, TypeError);
assertThrowsInstanceOf(function() { iter.close.call(non_generator); }, TypeError);
}
TestNonGenerator(1);
TestNonGenerator({});
TestNonGenerator(function(){});
TestNonGenerator(g);
TestNonGenerator(g.prototype);
}
TestGeneratorObjectMethods();
if (typeof reportCompare == "function")
reportCompare(true, true);
|
