/** * Copyright (C) 2014-2017 Philip Helger (www.helger.com) * philip[at]helger[dot]com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.helger.css.decl; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; import javax.annotation.Nonnull; import org.junit.Test; import com.helger.css.ECSSVersion; import com.helger.css.reader.CSSReader; /** * Test class for class {@link CascadingStyleSheet}. * * @author Philip Helger */ public final class CascadingStyleSheetTest { @Nonnull private static CascadingStyleSheet _parse (@Nonnull final String sCSS) { final CascadingStyleSheet aCSS = CSSReader.readFromString (sCSS, ECSSVersion.CSS30); assertNotNull (sCSS, aCSS); assertNotNull (aCSS.getSourceLocation ()); return aCSS; } @Test public void testReadEmpty () { CascadingStyleSheet aCSS; aCSS = _parse (""); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadImportOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@import url(a.gif);\n"); assertTrue (aCSS.hasImportRules ()); assertEquals (1, aCSS.getImportRuleCount ()); assertNotNull (aCSS.getAllImportRules ().get (0)); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadNamespaceOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@namespace toto2 url(http://toto.example.org);"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertTrue (aCSS.hasNamespaceRules ()); assertEquals (1, aCSS.getNamespaceRuleCount ()); assertNotNull (aCSS.getAllNamespaceRules ().get (0)); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadStyleOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("div { color: red; }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertTrue (aCSS.hasStyleRules ()); assertEquals (1, aCSS.getStyleRuleCount ()); assertNotNull (aCSS.getAllStyleRules ().get (0)); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadPageOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@page { size: 8.5in 11in; }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertTrue (aCSS.hasPageRules ()); assertEquals (1, aCSS.getPageRuleCount ()); assertNotNull (aCSS.getAllPageRules ().get (0)); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadMediaOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@media ( min-width :450px) and (max-width:950px) { }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertTrue (aCSS.hasMediaRules ()); assertEquals (1, aCSS.getMediaRuleCount ()); assertNotNull (aCSS.getAllMediaRules ().get (0)); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadFontFaceOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@font-face { font-family: JapaneseWithGentium; src: local(MSMincho); }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertTrue (aCSS.hasFontFaceRules ()); assertEquals (1, aCSS.getFontFaceRuleCount ()); assertNotNull (aCSS.getAllFontFaceRules ().get (0)); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadKeyframesOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@-webkit-keyframes travel { from { } to { left: 640px; } }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertTrue (aCSS.hasKeyframesRules ()); assertEquals (1, aCSS.getKeyframesRuleCount ()); assertNotNull (aCSS.getAllKeyframesRules ().get (0)); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadViewportOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@viewport { width: device-width; }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertTrue (aCSS.hasViewportRules ()); assertEquals (1, aCSS.getViewportRuleCount ()); assertNotNull (aCSS.getAllViewportRules ().get (0)); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadSupportsOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@supports (column-count: 1) and (background-image: linear-gradient(#f00,#00f)) { }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertTrue (aCSS.hasSupportsRules ()); assertEquals (1, aCSS.getSupportsRuleCount ()); assertNotNull (aCSS.getAllSupportsRules ().get (0)); assertFalse (aCSS.hasUnknownRules ()); assertEquals (0, aCSS.getUnknownRuleCount ()); assertTrue (aCSS.getAllUnknownRules ().isEmpty ()); } @Test public void testReadUnknownOnly () { CascadingStyleSheet aCSS; aCSS = _parse ("@-moz-document anything else or whatever 4711 { }"); assertFalse (aCSS.hasImportRules ()); assertEquals (0, aCSS.getImportRuleCount ()); assertTrue (aCSS.getAllImportRules ().isEmpty ()); assertFalse (aCSS.hasNamespaceRules ()); assertEquals (0, aCSS.getNamespaceRuleCount ()); assertTrue (aCSS.getAllNamespaceRules ().isEmpty ()); assertFalse (aCSS.hasStyleRules ()); assertEquals (0, aCSS.getStyleRuleCount ()); assertTrue (aCSS.getAllStyleRules ().isEmpty ()); assertFalse (aCSS.hasPageRules ()); assertEquals (0, aCSS.getPageRuleCount ()); assertTrue (aCSS.getAllPageRules ().isEmpty ()); assertFalse (aCSS.hasMediaRules ()); assertEquals (0, aCSS.getMediaRuleCount ()); assertTrue (aCSS.getAllMediaRules ().isEmpty ()); assertFalse (aCSS.hasFontFaceRules ()); assertEquals (0, aCSS.getFontFaceRuleCount ()); assertTrue (aCSS.getAllFontFaceRules ().isEmpty ()); assertFalse (aCSS.hasKeyframesRules ()); assertEquals (0, aCSS.getKeyframesRuleCount ()); assertTrue (aCSS.getAllKeyframesRules ().isEmpty ()); assertFalse (aCSS.hasViewportRules ()); assertEquals (0, aCSS.getViewportRuleCount ()); assertTrue (aCSS.getAllViewportRules ().isEmpty ()); assertFalse (aCSS.hasSupportsRules ()); assertEquals (0, aCSS.getSupportsRuleCount ()); assertTrue (aCSS.getAllSupportsRules ().isEmpty ()); assertTrue (aCSS.hasUnknownRules ()); assertEquals (1, aCSS.getUnknownRuleCount ()); assertNotNull (aCSS.getAllUnknownRules ().get (0)); } @Test public void testReadOneOfAll () { CascadingStyleSheet aCSS; aCSS = _parse ("@import url(a.gif);\n" + "@namespace toto2 url(http://toto.example.org);\n" + "div { color: red; }\n" + "@page { size: 8.5in 11in; }\n" + "@media ( min-width :450px) and (max-width:950px) { }\n" + "@font-face { font-family: JapaneseWithGentium; src: local(MSMincho); }\n" + "@keyframes travel { from { } to { left: 640px; } }\n" + "@viewport { width: device-width; }\n" + "@supports (column-count: 1) and (background-image: linear-gradient(#f00,#00f)) { }\n" + "@document anything else or whatever 4711 { }\n"); assertTrue (aCSS.hasImportRules ()); assertEquals (1, aCSS.getImportRuleCount ()); assertNotNull (aCSS.getAllImportRules ().get (0)); assertTrue (aCSS.hasNamespaceRules ()); assertEquals (1, aCSS.getNamespaceRuleCount ()); assertNotNull (aCSS.getAllNamespaceRules ().get (0)); assertTrue (aCSS.hasStyleRules ()); assertEquals (1, aCSS.getStyleRuleCount ()); assertNotNull (aCSS.getAllStyleRules ().get (0)); assertTrue (aCSS.hasPageRules ()); assertEquals (1, aCSS.getPageRuleCount ()); assertNotNull (aCSS.getAllPageRules ().get (0)); assertTrue (aCSS.hasMediaRules ()); assertEquals (1, aCSS.getMediaRuleCount ()); assertNotNull (aCSS.getAllMediaRules ().get (0)); assertTrue (aCSS.hasFontFaceRules ()); assertEquals (1, aCSS.getFontFaceRuleCount ()); assertNotNull (aCSS.getAllFontFaceRules ().get (0)); assertTrue (aCSS.hasKeyframesRules ()); assertEquals (1, aCSS.getKeyframesRuleCount ()); assertNotNull (aCSS.getAllKeyframesRules ().get (0)); assertTrue (aCSS.hasViewportRules ()); assertEquals (1, aCSS.getViewportRuleCount ()); assertNotNull (aCSS.getAllViewportRules ().get (0)); assertTrue (aCSS.hasSupportsRules ()); assertEquals (1, aCSS.getSupportsRuleCount ()); assertNotNull (aCSS.getAllSupportsRules ().get (0)); assertTrue (aCSS.hasUnknownRules ()); assertEquals (1, aCSS.getUnknownRuleCount ()); assertNotNull (aCSS.getAllUnknownRules ().get (0)); } }