| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php |
| * |
| * 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.android.ide.eclipse.adt.internal.editors.layout.gle2; |
| |
| import static com.android.SdkConstants.ANDROID_URI; |
| import static com.android.SdkConstants.TOOLS_URI; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| import java.util.Arrays; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| |
| import junit.framework.TestCase; |
| |
| @SuppressWarnings("javadoc") |
| public class DomUtilitiesTest extends TestCase { |
| |
| public void testIsEquivalent() throws Exception { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document1 = builder.newDocument(); |
| Document document2 = builder.newDocument(); |
| document1.appendChild(document1.createElement("root")); |
| document2.appendChild(document2.createElement("root")); |
| |
| assertFalse(DomUtilities.isEquivalent(null, null)); |
| Element root1 = document1.getDocumentElement(); |
| assertFalse(DomUtilities.isEquivalent(null, root1)); |
| Element root2 = document2.getDocumentElement(); |
| assertFalse(DomUtilities.isEquivalent(root2, null)); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| |
| root1.appendChild(document1.createTextNode(" ")); |
| // Differences in text are NOT significant! |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| root2.appendChild(document2.createTextNode(" ")); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| |
| Element foo1 = document1.createElement("foo"); |
| Element foo2 = document2.createElement("foo"); |
| root1.appendChild(foo1); |
| assertFalse(DomUtilities.isEquivalent(root1, root2)); |
| root2.appendChild(foo2); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| |
| root1.appendChild(document1.createElement("bar")); |
| assertFalse(DomUtilities.isEquivalent(root1, root2)); |
| root2.appendChild(document2.createElement("bar")); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| |
| // Add attributes in opposite order |
| foo1.setAttribute("attribute1", "value1"); |
| foo1.setAttribute("attribute2", "value2"); |
| assertFalse(DomUtilities.isEquivalent(root1, root2)); |
| foo2.setAttribute("attribute2", "value2"); |
| foo2.setAttribute("attribute1", "valueWrong"); |
| assertFalse(DomUtilities.isEquivalent(root1, root2)); |
| foo2.setAttribute("attribute1", "value1"); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| foo2.setAttributeNS(TOOLS_URI, "foo", "bar"); |
| assertTrue(DomUtilities.isEquivalent(root1, root2)); |
| foo2.setAttributeNS(ANDROID_URI, "foo", "bar"); |
| assertFalse(DomUtilities.isEquivalent(root1, root2)); |
| |
| // TODO - test different tag names |
| // TODO - test different name spaces! |
| } |
| |
| public void testIsContiguous() throws Exception { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document = builder.newDocument(); |
| document.appendChild(document.createElement("root")); |
| Element root = document.getDocumentElement(); |
| root.appendChild(document.createTextNode(" ")); |
| Element foo = document.createElement("foo"); |
| root.appendChild(foo); |
| root.appendChild(document.createTextNode(" ")); |
| Element bar = document.createElement("bar"); |
| root.appendChild(bar); |
| Element baz = document.createElement("baz"); |
| root.appendChild(baz); |
| |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(foo))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(foo, bar))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(foo, bar, baz))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(foo, bar, baz))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(bar, baz, foo))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(baz, bar, foo))); |
| assertTrue(DomUtilities.isContiguous(Arrays.asList(baz, foo, bar))); |
| |
| assertFalse(DomUtilities.isContiguous(Arrays.asList(foo, baz))); |
| assertFalse(DomUtilities.isContiguous(Arrays.asList(root, baz))); |
| } |
| |
| public void testGetCommonAncestor() throws Exception { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document = builder.newDocument(); |
| |
| // A |
| // / \ |
| // B C |
| // / \ |
| // D E |
| |
| document.appendChild(document.createElement("A")); |
| Element a = document.getDocumentElement(); |
| assertSame(a, DomUtilities.getCommonAncestor(a, a)); |
| |
| Element b = document.createElement("B"); |
| a.appendChild(b); |
| Element c = document.createElement("C"); |
| a.appendChild(c); |
| Element d = document.createElement("D"); |
| c.appendChild(d); |
| Element e = document.createElement("E"); |
| c.appendChild(e); |
| |
| assertSame(a, DomUtilities.getCommonAncestor(a, b)); |
| assertSame(a, DomUtilities.getCommonAncestor(b, a)); |
| assertSame(a, DomUtilities.getCommonAncestor(b, c)); |
| assertSame(a, DomUtilities.getCommonAncestor(b, d)); |
| assertSame(a, DomUtilities.getCommonAncestor(b, e)); |
| assertSame(a, DomUtilities.getCommonAncestor(a, e)); |
| |
| assertSame(c, DomUtilities.getCommonAncestor(d, e)); |
| assertSame(c, DomUtilities.getCommonAncestor(c, e)); |
| assertSame(c, DomUtilities.getCommonAncestor(d, c)); |
| assertSame(c, DomUtilities.getCommonAncestor(c, c)); |
| } |
| |
| public void testGetDepth() throws Exception { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document = builder.newDocument(); |
| |
| // A |
| // / \ |
| // B C |
| // / \ |
| // D E |
| |
| document.appendChild(document.createElement("A")); |
| Element a = document.getDocumentElement(); |
| assertSame(a, DomUtilities.getCommonAncestor(a, a)); |
| Element b = document.createElement("B"); |
| a.appendChild(b); |
| Element c = document.createElement("C"); |
| a.appendChild(c); |
| Element d = document.createElement("D"); |
| c.appendChild(d); |
| Element e = document.createElement("E"); |
| c.appendChild(e); |
| |
| assertEquals(0, DomUtilities.getDepth(document)); |
| |
| assertEquals(1, DomUtilities.getDepth(a)); |
| assertEquals(2, DomUtilities.getDepth(b)); |
| assertEquals(2, DomUtilities.getDepth(c)); |
| assertEquals(3, DomUtilities.getDepth(d)); |
| assertEquals(3, DomUtilities.getDepth(e)); |
| } |
| |
| public void testHasChildren() throws Exception { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document = builder.newDocument(); |
| assertFalse(DomUtilities.hasElementChildren(document)); |
| document.appendChild(document.createElement("A")); |
| Element a = document.getDocumentElement(); |
| assertFalse(DomUtilities.hasElementChildren(a)); |
| a.appendChild(document.createTextNode("foo")); |
| assertFalse(DomUtilities.hasElementChildren(a)); |
| Element b = document.createElement("B"); |
| a.appendChild(b); |
| assertTrue(DomUtilities.hasElementChildren(a)); |
| assertFalse(DomUtilities.hasElementChildren(b)); |
| } |
| } |