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/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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 libcore.xml;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringWriter;
import junit.framework.TestCase;
import org.kxml2.io.KXmlSerializer;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.xmlpull.v1.XmlSerializer;
import static tests.support.Support_Xml.domOf;
public final class KxmlSerializerTest extends TestCase {
private static final String NAMESPACE = null;
public void testWhitespaceInAttributeValue() throws Exception {
StringWriter stringWriter = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(stringWriter);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "a");
serializer.attribute(NAMESPACE, "cr", "\r");
serializer.attribute(NAMESPACE, "lf", "\n");
serializer.attribute(NAMESPACE, "tab", "\t");
serializer.attribute(NAMESPACE, "space", " ");
serializer.endTag(NAMESPACE, "a");
serializer.endDocument();
assertXmlEquals("<a cr=\" \" lf=\" \" tab=\"	\" space=\" \" />",
stringWriter.toString());
}
public void testWriteDocument() throws Exception {
StringWriter stringWriter = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(stringWriter);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "foo");
serializer.attribute(NAMESPACE, "quux", "abc");
serializer.startTag(NAMESPACE, "bar");
serializer.endTag(NAMESPACE, "bar");
serializer.startTag(NAMESPACE, "baz");
serializer.endTag(NAMESPACE, "baz");
serializer.endTag(NAMESPACE, "foo");
serializer.endDocument();
assertXmlEquals("<foo quux=\"abc\"><bar /><baz /></foo>", stringWriter.toString());
}
// http://code.google.com/p/android/issues/detail?id=21250
public void testWriteSpecialCharactersInText() throws Exception {
StringWriter stringWriter = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(stringWriter);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "foo");
serializer.text("5'8\", 5 < 6 & 7 > 3!");
serializer.endTag(NAMESPACE, "foo");
serializer.endDocument();
assertXmlEquals("<foo>5'8\", 5 < 6 & 7 > 3!</foo>", stringWriter.toString());
}
private void assertXmlEquals(String expectedXml, String actualXml) throws Exception {
String declaration = "<?xml version='1.0' encoding='UTF-8' ?>";
assertEquals(declaration + expectedXml, actualXml);
}
private static XmlSerializer newSerializer() throws IOException {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(bytesOut, "UTF-8");
serializer.startDocument("UTF-8", null);
return serializer;
}
public String fromCodePoint(int codePoint) {
if (codePoint > Character.MAX_VALUE) {
return new String(Character.toChars(codePoint));
}
return Character.toString((char) codePoint);
}
// http://b/17960630
public void testSpeakNoEvilMonkeys() throws Exception {
StringWriter stringWriter = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(stringWriter);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "tag");
serializer.attribute(NAMESPACE, "attr", "a\ud83d\ude4ab");
serializer.text("c\ud83d\ude4ad");
serializer.cdsect("e\ud83d\ude4af");
serializer.endTag(NAMESPACE, "tag");
serializer.endDocument();
assertXmlEquals("<tag attr=\"a🙊b\">" +
"c🙊d" +
"<![CDATA[e]]>🙊<![CDATA[f]]>" +
"</tag>", stringWriter.toString());
// Check we can parse what we just output.
Document doc = domOf(stringWriter.toString());
Node root = doc.getDocumentElement();
assertEquals("a\ud83d\ude4ab", root.getAttributes().getNamedItem("attr").getNodeValue());
Text text = (Text) root.getFirstChild();
assertEquals("c\ud83d\ude4ade\ud83d\ude4af", text.getNodeValue());
}
public void testBadSurrogates() throws Exception {
StringWriter stringWriter = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(stringWriter);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "tag");
try {
serializer.attribute(NAMESPACE, "attr", "a\ud83d\u0040b");
} catch (IllegalArgumentException expected) {
}
try {
serializer.text("c\ud83d\u0040d");
} catch (IllegalArgumentException expected) {
}
try {
serializer.cdsect("e\ud83d\u0040f");
} catch (IllegalArgumentException expected) {
}
}
// Cover all the BMP code points plus a few that require us to use surrogates.
private static int MAX_TEST_CODE_POINT = 0x10008;
public void testInvalidCharactersInText() throws IOException {
XmlSerializer serializer = newSerializer();
serializer.startTag(NAMESPACE, "root");
for (int c = 0; c <= MAX_TEST_CODE_POINT; ++c) {
final String s = fromCodePoint(c);
if (isValidXmlCodePoint(c)) {
serializer.text("a" + s + "b");
} else {
try {
serializer.text("a" + s + "b");
fail(s);
} catch (IllegalArgumentException expected) {
}
}
}
serializer.endTag(NAMESPACE, "root");
}
public void testInvalidCharactersInAttributeValues() throws IOException {
XmlSerializer serializer = newSerializer();
serializer.startTag(NAMESPACE, "root");
for (int c = 0; c <= MAX_TEST_CODE_POINT; ++c) {
final String s = fromCodePoint(c);
if (isValidXmlCodePoint(c)) {
serializer.attribute(NAMESPACE, "a", "a" + s + "b");
} else {
try {
serializer.attribute(NAMESPACE, "a", "a" + s + "b");
fail(s);
} catch (IllegalArgumentException expected) {
}
}
}
serializer.endTag(NAMESPACE, "root");
}
public void testInvalidCharactersInCdataSections() throws IOException {
XmlSerializer serializer = newSerializer();
serializer.startTag(NAMESPACE, "root");
for (int c = 0; c <= MAX_TEST_CODE_POINT; ++c) {
final String s = fromCodePoint(c);
if (isValidXmlCodePoint(c)) {
serializer.cdsect("a" + s + "b");
} else {
try {
serializer.cdsect("a" + s + "b");
fail(s);
} catch (IllegalArgumentException expected) {
}
}
}
serializer.endTag(NAMESPACE, "root");
}
public void testCdataWithTerminatorInside() throws Exception {
StringWriter writer = new StringWriter();
XmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(writer);
serializer.startDocument("UTF-8", null);
serializer.startTag(NAMESPACE, "p");
serializer.cdsect("a]]>b");
serializer.endTag(NAMESPACE, "p");
serializer.endDocument();
// Adjacent CDATA sections aren't merged, so let's stick them together ourselves...
Document doc = domOf(writer.toString());
NodeList children = doc.getFirstChild().getChildNodes();
String text = "";
for (int i = 0; i < children.getLength(); ++i) {
text += children.item(i).getNodeValue();
}
assertEquals("a]]>b", text);
}
private static boolean isValidXmlCodePoint(int c) {
// http://www.w3.org/TR/REC-xml/#charsets
return (c >= 0x20 && c <= 0xd7ff) || (c == 0x9) || (c == 0xa) || (c == 0xd) ||
(c >= 0xe000 && c <= 0xfffd) || (c >= 0x10000 && c <= 0x10ffff);
}
}
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