Blame view
node_modules/event-emitter/test/index.js
2.46 KB
f7563de62
first commit
|
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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 |
'use strict';
module.exports = function (t, a) {
var x = t(), y, count, count2, count3, count4, test, listener1, listener2;
x.emit('none');
test = "Once: ";
count = 0;
x.once('foo', function (a1, a2, a3) {
a(this, x, test + "Context");
a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
++count;
});
x.emit('foobar');
a(count, 0, test + "Not invoked on other event");
x.emit('foo', 'foo', x, 15);
a(count, 1, test + "Emitted");
x.emit('foo');
a(count, 1, test + "Emitted once");
test = "On & Once: ";
count = 0;
x.on('foo', listener1 = function (a1, a2, a3) {
a(this, x, test + "Context");
a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
++count;
});
count2 = 0;
x.once('foo', listener2 = function (a1, a2, a3) {
a(this, x, test + "Context");
a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
++count2;
});
x.emit('foobar');
a(count, 0, test + "Not invoked on other event");
x.emit('foo', 'foo', x, 15);
a(count, 1, test + "Emitted");
x.emit('foo', 'foo', x, 15);
a(count, 2, test + "Emitted twice");
a(count2, 1, test + "Emitted once");
x.off('foo', listener1);
x.emit('foo');
a(count, 2, test + "Not emitter after off");
count = 0;
x.once('foo', listener1 = function () { ++count; });
x.off('foo', listener1);
x.emit('foo');
a(count, 0, "Once Off: Not emitted");
count = 0;
x.on('foo', listener2 = function () {});
x.once('foo', listener1 = function () { ++count; });
x.off('foo', listener1);
x.emit('foo');
a(count, 0, "Once Off (multi): Not emitted");
x.off('foo', listener2);
test = "Prototype Share: ";
y = Object.create(x);
count = 0;
count2 = 0;
count3 = 0;
count4 = 0;
x.on('foo', function () {
++count;
});
y.on('foo', function () {
++count2;
});
x.once('foo', function () {
++count3;
});
y.once('foo', function () {
++count4;
});
x.emit('foo');
a(count, 1, test + "x on count");
a(count2, 0, test + "y on count");
a(count3, 1, test + "x once count");
a(count4, 0, test + "y once count");
y.emit('foo');
a(count, 1, test + "x on count");
a(count2, 1, test + "y on count");
a(count3, 1, test + "x once count");
a(count4, 1, test + "y once count");
x.emit('foo');
a(count, 2, test + "x on count");
a(count2, 1, test + "y on count");
a(count3, 1, test + "x once count");
a(count4, 1, test + "y once count");
y.emit('foo');
a(count, 2, test + "x on count");
a(count2, 2, test + "y on count");
a(count3, 1, test + "x once count");
a(count4, 1, test + "y once count");
};
|