aboutsummaryrefslogtreecommitdiff
path: root/node_modules/event-emitter/test/index.js
diff options
context:
space:
mode:
authorFlorian Dold <florian.dold@gmail.com>2017-08-14 05:01:11 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-08-14 05:02:09 +0200
commit363723fc84f7b8477592e0105aeb331ec9a017af (patch)
tree29f92724f34131bac64d6a318dd7e30612e631c7 /node_modules/event-emitter/test/index.js
parent5634e77ad96bfe1818f6b6ee70b7379652e5487f (diff)
node_modules
Diffstat (limited to 'node_modules/event-emitter/test/index.js')
-rw-r--r--node_modules/event-emitter/test/index.js107
1 files changed, 107 insertions, 0 deletions
diff --git a/node_modules/event-emitter/test/index.js b/node_modules/event-emitter/test/index.js
new file mode 100644
index 000000000..c7c3f24c4
--- /dev/null
+++ b/node_modules/event-emitter/test/index.js
@@ -0,0 +1,107 @@
+'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");
+};