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+<!doctype html>
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+<html lang="en">
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+
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+ <head>
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+ <meta charset="utf-8">
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+
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+ <title>reveal.js - Test State</title>
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+
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+ <link rel="stylesheet" href="../css/reveal.css">
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+ <link rel="stylesheet" href="qunit-2.5.0.css">
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+ </head>
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+
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+ <body style="overflow: auto;">
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+
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+ <div id="qunit"></div>
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+ <div id="qunit-fixture"></div>
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+
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+ <div class="reveal" style="display: none;">
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+
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+ <div class="slides">
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+
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+ <section>No state</section>
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+ <section id="slide2" data-state="state1">State 1</section>
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+ <section data-state="state1">State 1</section>
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+ <section data-state="state2">State 2</section>
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+ <section>
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+ <section>No state</section>
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+ <section data-state="state1">State 1</section>
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+ <section data-state="state3">State 3</section>
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+ <section>No state</section>
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+ </section>
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+ <section>No state</section>
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+
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+ </div>
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+
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+ </div>
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+
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+ <script src="../js/reveal.js"></script>
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+ <script src="qunit-2.5.0.js"></script>
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+
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+ <script>
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+
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+
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+ Reveal.addEventListener( 'ready', function() {
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+
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+ QUnit.module( 'State' );
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+
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+ QUnit.test( 'Fire events when changing slide', function( assert ) {
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+ assert.expect( 2 );
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+ var state1 = assert.async();
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+ var state2 = assert.async();
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+
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+ var _onState1 = function( event ) {
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+ assert.ok( true, 'state1 fired' );
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+ state1();
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+ }
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+
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+ var _onState2 = function( event ) {
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+ assert.ok( true, 'state2 fired' );
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+ state2();
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+ }
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+
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+ Reveal.addEventListener( 'state1', _onState1 );
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+ Reveal.addEventListener( 'state2', _onState2 );
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+
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+ Reveal.slide( 1 );
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+ Reveal.slide( 3 );
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+
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+ Reveal.removeEventListener( 'state1', _onState1 );
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+ Reveal.removeEventListener( 'state2', _onState2 );
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+ });
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+
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+ QUnit.test( 'Fire state events for vertical slides', function( assert ) {
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+ assert.expect( 2 );
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+ var done = assert.async( 2 );
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+
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+ var _onState1 = function( event ) {
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+ assert.ok( true, 'state1 fired' );
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+ done();
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+ }
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+
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+ var _onState3 = function( event ) {
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+ assert.ok( true, 'state3 fired' );
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+ done();
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+ }
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+
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+ Reveal.addEventListener( 'state1', _onState1 );
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+ Reveal.addEventListener( 'state3', _onState3 );
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+
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+ Reveal.slide( 0 );
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+ Reveal.slide( 4, 1 );
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+ Reveal.slide( 4, 2 );
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+
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+ Reveal.removeEventListener( 'state1', _onState1 );
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+ Reveal.removeEventListener( 'state3', _onState3 );
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+ });
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+
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+ QUnit.test( 'No events if state remains unchanged', function( assert ) {
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+ var stateChanges = 0;
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+
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+ var _onEvent = function( event ) {
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+ stateChanges += 1;
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+ }
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+
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+ Reveal.addEventListener( 'state1', _onEvent );
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+
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+ Reveal.slide( 0 ); // no state
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+ Reveal.slide( 1 ); // state1
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+ Reveal.slide( 2 ); // state1
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+ Reveal.prev(); // state1
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+ Reveal.next(); // state1
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+ Reveal.slide( 4, 1 ); // state1
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+ Reveal.slide( 0 ); // no state
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+
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+ Reveal.removeEventListener( 'state1', _onEvent );
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+
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+ assert.strictEqual( stateChanges, 1, 'no event was fired when going to slide with same state' );
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+ });
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+
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+ QUnit.test( 'Event order', function( assert ) {
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+ var _onEvent = function( event ) {
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+ assert.ok( Reveal.getCurrentSlide() == document.querySelector( '#slide2' ), 'correct current slide immediately after state event' );
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+ }
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+
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+ Reveal.addEventListener( 'state1', _onEvent );
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+
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+ Reveal.slide( 0 );
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+ Reveal.slide( 1 );
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+
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+ Reveal.removeEventListener( 'state1', _onEvent );
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+ });
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+
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+ } );
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+
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+ Reveal.initialize();
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+ </script>
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+
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+ </body>
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+</html>
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Hakim El Hattab