| /******************************************************************************* |
| * Copyright (c) 2004, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.css.tests.encoding.css; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CodingErrorAction; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.wst.css.core.internal.contenttype.CSSResourceEncodingDetector; |
| import org.eclipse.wst.css.tests.encoding.CSSEncodingTestsPlugin; |
| import org.eclipse.wst.sse.core.internal.encoding.EncodingMemento; |
| import org.eclipse.wst.sse.core.internal.encoding.IResourceCharsetDetector; |
| |
| public class CSSEncodingTester extends TestCase { |
| |
| /** |
| * Ensures that an InputStream has mark/reset support. |
| */ |
| private static InputStream getMarkSupportedStream(InputStream original) { |
| if (original == null) |
| return null; |
| if (original.markSupported()) |
| return original; |
| return new BufferedInputStream(original); |
| } |
| private boolean DEBUG = false; |
| private final String fileDir = "css/"; |
| // private final String pluginLocation = |
| // TestsPlugin.getInstallLocation().toString(); |
| private final String fileHome = "testfiles/"; |
| private final String fileLocation = fileHome + fileDir; |
| private int READ_BUFFER_SIZE = 8000; |
| |
| private void doTestFileStream(String filename, String expectedIANAEncoding, IResourceCharsetDetector detector) throws IOException { |
| File file = CSSEncodingTestsPlugin.getTestFile(filename); |
| if (!file.exists()) |
| throw new IllegalArgumentException(filename + " was not found"); |
| InputStream inputStream = new FileInputStream(file); |
| // InputStream inStream = getClass().getResourceAsStream(filename); |
| InputStream istream = getMarkSupportedStream(inputStream); |
| try { |
| detector.set(istream); |
| EncodingMemento encodingMemento = ((CSSResourceEncodingDetector)detector).getEncodingMemento(); |
| |
| String foundIANAEncoding = null; |
| |
| if (encodingMemento != null) { |
| foundIANAEncoding = encodingMemento.getDetectedCharsetName(); |
| } |
| // I changed many "equals" to "equalsIgnoreCase" on 11/4/2002, |
| // since |
| // some issues with SHIFT_JIS vs. Shift_JIS were causing failures. |
| // We do want to be tolerant on input, and accept either, but I |
| // think |
| // that SupportedJavaEncodings needs to be changed to "recommend" |
| // Shift_JIS. |
| boolean expectedIANAResult = false; |
| if (expectedIANAEncoding == null) { |
| expectedIANAResult = expectedIANAEncoding == foundIANAEncoding; |
| } |
| else { |
| expectedIANAResult = expectedIANAEncoding.equalsIgnoreCase(foundIANAEncoding); |
| } |
| |
| assertTrue("encoding test file " + filename + " expected: " + expectedIANAEncoding + " found: " + foundIANAEncoding, expectedIANAResult); |
| // a very simple read test ... will cause JUnit error (not fail) |
| // if |
| // throws exception. |
| if (foundIANAEncoding != null) { |
| ensureCanRead(filename, foundIANAEncoding, istream); |
| } |
| } |
| finally { |
| if (istream != null) { |
| istream.close(); |
| } |
| if (inputStream != null) { |
| inputStream.close(); |
| } |
| } |
| } |
| |
| /** |
| * This method just reads to stream, to be sure it can be read per |
| * encoding, without exception. |
| */ |
| private void ensureCanRead(String filename, String encoding, InputStream inputStream) throws IOException { |
| Charset charset = Charset.forName(encoding); |
| CharsetDecoder charsetDecoder = charset.newDecoder(); |
| charsetDecoder.onMalformedInput(CodingErrorAction.REPORT); |
| charsetDecoder.onUnmappableCharacter(CodingErrorAction.REPORT); |
| |
| InputStreamReader reader = new InputStreamReader(inputStream, charsetDecoder); |
| StringBuffer stringBuffer = readInputStream(reader); |
| if (DEBUG) { |
| System.out.println(); |
| System.out.println(filename); |
| System.out.println(stringBuffer.toString()); |
| } |
| } |
| |
| private StringBuffer readInputStream(Reader reader) throws IOException { |
| |
| StringBuffer buffer = new StringBuffer(); |
| int numRead = 0; |
| char tBuff[] = new char[READ_BUFFER_SIZE]; |
| while ((numRead = reader.read(tBuff, 0, tBuff.length)) != -1) { |
| buffer.append(tBuff, 0, numRead); |
| } |
| return buffer; |
| } |
| |
| public void testBestCase() throws IOException { |
| String filename = fileLocation + "nonStandard.css"; |
| doTestFileStream(filename, "ISO-8859-6", new CSSResourceEncodingDetector()); |
| |
| } |
| |
| public void testEmptyFile() throws IOException { |
| String filename = fileLocation + "emptyFile.css"; |
| doTestFileStream(filename, null, new CSSResourceEncodingDetector()); |
| } |
| |
| public void testEUCJP() throws IOException { |
| String filename = fileLocation + "encoding_test_eucjp.css"; |
| doTestFileStream(filename, "EUC-JP", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testJIS() throws IOException { |
| String filename = fileLocation + "encoding_test_jis.css"; |
| doTestFileStream(filename, "ISO-2022-JP", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testNoEncoding() throws IOException { |
| String filename = fileLocation + "noEncoding.css"; |
| doTestFileStream(filename, null, new CSSResourceEncodingDetector()); |
| } |
| |
| public void testnonStandardIllFormed() throws IOException { |
| String filename = fileLocation + "nonStandardIllFormed.css"; |
| doTestFileStream(filename, "ISO-8859-6", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testnonStandardIllFormed2() throws IOException { |
| String filename = fileLocation + "nonStandardIllFormed2.css"; |
| doTestFileStream(filename, "ISO-8859-6", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testShiftJIS() throws IOException { |
| String filename = fileLocation + "encoding_test_sjis.css"; |
| doTestFileStream(filename, "SHIFT_JIS", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testUTF16be() throws IOException { |
| String filename = fileLocation + "utf16be.css"; |
| doTestFileStream(filename, "UTF-16BE", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testUTF16le() throws IOException { |
| String filename = fileLocation + "utf16le.css"; |
| doTestFileStream(filename, "UTF-16LE", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testUTF16beMalformed() throws IOException { |
| String filename = fileLocation + "utf16beMalformed.css"; |
| doTestFileStream(filename, "UTF-16BE", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testUTF16leMalformed() throws IOException { |
| String filename = fileLocation + "utf16leMalformed.css"; |
| doTestFileStream(filename, "UTF-16LE", new CSSResourceEncodingDetector()); |
| } |
| |
| public void testUTF16BOM() throws IOException { |
| String filename = fileLocation + "utf16BOM.css"; |
| doTestFileStream(filename, "UTF-16", new CSSResourceEncodingDetector()); |
| } |
| |
| } |