diff --git a/tests/qunit/index.html b/tests/qunit/index.html index c5f2c47..bd87b61 100644 --- a/tests/qunit/index.html +++ b/tests/qunit/index.html @@ -68,14 +68,10 @@
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diff --git a/tests/qunit/unit/css.js b/tests/qunit/unit/css.js index efb1787..96956c7 100644 --- a/tests/qunit/unit/css.js +++ b/tests/qunit/unit/css.js @@ -1,9 +1,19 @@ +// declare vars (preventing JSHint messages) +var test = test || function(){}, + QUnit = QUnit || {}, + _html2canvas = _html2canvas || {}; + + module("CSS"); -$(function() { +$(function() { + + var propsToTest = {}, + numDivs = {}; + - var propsToTest = ["borderTopWidth", "borderRightWidth", "borderBottomWidth", "borderLeftWidth"], - numDivs = $('#borders div').length; + propsToTest['border-width'] = ["borderTopWidth", "borderRightWidth", "borderBottomWidth", "borderLeftWidth"], + numDivs['border-width'] = $('#borders div').length; /* expecting = [ // #1 @@ -56,10 +66,10 @@ $(function() { ]; */ - test('border-width', propsToTest.length * numDivs, function() { + test('border-width', propsToTest['border-width'].length * numDivs['border-width'], function() { $('#borders div').each(function(i, el) { - $.each(propsToTest, function(s, prop) { + $.each(propsToTest['border-width'], function(s, prop) { var expect = $(el).css(prop); // older IE's don't necessarily return px even with jQuery @@ -76,32 +86,28 @@ $(function() { }); }); - var propsToTest2 = ["paddingTop", "paddingRight", "paddingBottom", "paddingLeft"], - numDivs2 = $('#padding div').length; + propsToTest['padding width'] = ["paddingTop", "paddingRight", "paddingBottom", "paddingLeft"]; + numDivs['padding width'] = $('#padding div').length; - test('padding width', propsToTest2.length * numDivs2 * 2, function() { + test('padding width', propsToTest['padding width'].length * numDivs['padding width'] * 2, function() { $('#padding div').each(function(i, el) { - $.each(propsToTest2, function(s, prop) { + $.each(propsToTest['padding width'], function(s, prop) { var isPx = _html2canvas.Util.getCSS(el, prop).indexOf("px"); QUnit.notEqual( isPx, -1, "div #" + (i + 1) + " property " + prop + " is in pixels" ); QUnit.equal( _html2canvas.Util.getCSS(el, prop), $(el).css(prop), "div #" + (i + 1) + " property " + prop + " equals " + $(el).css(prop) ); }); }); - }); - + }); - + propsToTest['background-position'] = ["backgroundPosition"]; + numDivs['background-position'] = $('#backgroundPosition div').length; - - var propsToTest3 = ["backgroundPosition"], - numDivs3 = $('#backgroundPosition div').length; - - test('background-position', propsToTest3.length * numDivs3 * 2, function() { + test('background-position', propsToTest['background-position'].length * numDivs['background-position'] * 2, function() { $('#backgroundPosition div').each(function(i, el) { - $.each(propsToTest3, function(s, prop) { + $.each(propsToTest['background-position'], function(s, prop) { var img = new Image(); img.width = 50; img.height = 50; @@ -113,7 +119,7 @@ $(function() { if ( window.getComputedStyle ) { split = $(el).css(prop).split(" "); } else { - split = [$(el).css(prop+"X"),$(el).css(prop+"Y")] + split = [$(el).css(prop+"X"),$(el).css(prop+"Y")]; } var testEl = $('
').css({ @@ -139,4 +145,45 @@ $(function() { }); // TODO add backgroundPosition % tests + + propsToTest['background-gradient'] = ["backgroundImage"]; + numDivs['background-gradient'] = $('#backgroundGradients div').length; + + test('background-gradient', propsToTest['background-gradient'].length * numDivs['background-gradient'], function() { + + $('#backgroundGradients div').each(function(i, el) { + $.each(propsToTest['background-gradient'], function(s, prop) { + var src, img, canvas, ctx, id, data, len, red, green, blue, overallColor = 0; + + src = _html2canvas.Util.getCSS(el, prop), + img = _html2canvas.Generate.Gradient(src, { + width: 50, + height: 50 + }); + + canvas = document.createElement('canvas'); + canvas.width = 50; + canvas.height = 50; + ctx = canvas.getContext('2d'); + ctx.drawImage(img, 0, 0); + id = ctx.getImageData(0, 0, 50, 50); + data = id.data; + len = data.length; + + //console.log(img); + + for (var i = 0; i < len; i += 4) { + red = data[i]; // red + green = data[i + 1]; // green + blue = data[i + 2]; // blue + // i+3 is alpha (the fourth element) + + overallColor += (red + green + blue) / 3; + } + overallColor /= (len / 4); + + QUnit.notEqual(overallColor, 255, 'No Background Gradient - CSS was ' + src); + }); + }); + }); }); \ No newline at end of file