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108 lines
2.5 KiB
108 lines
2.5 KiB
2 years ago
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'use strict';
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module.exports = function (t, a) {
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var x = t(), y, count, count2, count3, count4, test, listener1, listener2;
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x.emit('none');
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test = "Once: ";
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count = 0;
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x.once('foo', function (a1, a2, a3) {
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a(this, x, test + "Context");
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a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
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++count;
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});
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x.emit('foobar');
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a(count, 0, test + "Not invoked on other event");
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x.emit('foo', 'foo', x, 15);
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a(count, 1, test + "Emitted");
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x.emit('foo');
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a(count, 1, test + "Emitted once");
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test = "On & Once: ";
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count = 0;
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x.on('foo', listener1 = function (a1, a2, a3) {
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a(this, x, test + "Context");
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a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
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++count;
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});
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count2 = 0;
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x.once('foo', listener2 = function (a1, a2, a3) {
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a(this, x, test + "Context");
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a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments");
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++count2;
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});
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x.emit('foobar');
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a(count, 0, test + "Not invoked on other event");
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x.emit('foo', 'foo', x, 15);
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a(count, 1, test + "Emitted");
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x.emit('foo', 'foo', x, 15);
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a(count, 2, test + "Emitted twice");
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a(count2, 1, test + "Emitted once");
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x.off('foo', listener1);
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x.emit('foo');
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a(count, 2, test + "Not emitter after off");
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count = 0;
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x.once('foo', listener1 = function () { ++count; });
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x.off('foo', listener1);
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x.emit('foo');
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a(count, 0, "Once Off: Not emitted");
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count = 0;
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x.on('foo', listener2 = function () {});
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x.once('foo', listener1 = function () { ++count; });
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x.off('foo', listener1);
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x.emit('foo');
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a(count, 0, "Once Off (multi): Not emitted");
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x.off('foo', listener2);
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test = "Prototype Share: ";
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y = Object.create(x);
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count = 0;
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count2 = 0;
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count3 = 0;
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count4 = 0;
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x.on('foo', function () {
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++count;
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});
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y.on('foo', function () {
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++count2;
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});
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x.once('foo', function () {
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++count3;
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});
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y.once('foo', function () {
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++count4;
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});
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x.emit('foo');
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a(count, 1, test + "x on count");
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a(count2, 0, test + "y on count");
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a(count3, 1, test + "x once count");
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a(count4, 0, test + "y once count");
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y.emit('foo');
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a(count, 1, test + "x on count");
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a(count2, 1, test + "y on count");
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a(count3, 1, test + "x once count");
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a(count4, 1, test + "y once count");
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x.emit('foo');
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a(count, 2, test + "x on count");
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a(count2, 1, test + "y on count");
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a(count3, 1, test + "x once count");
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a(count4, 1, test + "y once count");
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y.emit('foo');
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a(count, 2, test + "x on count");
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a(count2, 2, test + "y on count");
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a(count3, 1, test + "x once count");
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a(count4, 1, test + "y once count");
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};
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