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