/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.commons.compress.archivers.zip; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertThat; import static org.junit.Assert.assertTrue; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.charset.Charset; import org.hamcrest.core.IsInstanceOf; import org.junit.Assert; import org.junit.Test; /** * Test zip encodings. */ public class ZipEncodingTest { private static final String UNENC_STRING = "\u2016"; // stress test for internal grow method. private static final String BAD_STRING = "\u2016\u2015\u2016\u2015\u2016\u2015\u2016\u2015\u2016\u2015\u2016"; private static final String BAD_STRING_ENC = "%U2016%U2015%U2016%U2015%U2016%U2015%U2016%U2015%U2016%U2015%U2016"; @Test public void testNothingToMakeCoverallsHappier() { Object o = new ZipEncodingHelper() { }; assertNotNull(o); } @Test public void testGetNonexistentEncodng() throws IOException { ZipEncoding ze = ZipEncodingHelper.getZipEncoding("I-am-a-banana"); assertNotNull(ze); if (ze instanceof CharsetAccessor) { CharsetAccessor hasCharset = (CharsetAccessor) ze; Assert.assertEquals(Charset.defaultCharset(), hasCharset.getCharset()); } } @Test public void testIsUTF8() throws IOException { assertTrue(ZipEncodingHelper.isUTF8("UTF-8")); assertTrue(ZipEncodingHelper.isUTF8("UTF8")); Assert.assertEquals(Charset.defaultCharset().name().equals("UTF-8"), ZipEncodingHelper.isUTF8(null)); } @Test public void testSimpleCp437Encoding() throws IOException { doSimpleEncodingsTest(437); } @Test public void testSimpleCp850Encoding() throws IOException { doSimpleEncodingsTest(850); } @Test public void testEbcidic() throws IOException { doSimpleEncodingTest("IBM1047", null); } private void doSimpleEncodingsTest(int n) throws IOException { doSimpleEncodingTest("Cp" + n, null); doSimpleEncodingTest("cp" + n, null); doSimpleEncodingTest("CP" + n, null); doSimpleEncodingTest("IBM" + n, null); doSimpleEncodingTest("ibm" + n, null); } @Test public void testNioCp1252Encoding() throws IOException { // CP1252 has some undefined code points, these are // the defined ones // retrieved by // awk '/^0x/ && NF>2 {print $1;}' CP1252.TXT final byte[] b = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, (byte) 0x80, (byte) 0x82, (byte) 0x83, (byte) 0x84, (byte) 0x85, (byte) 0x86, (byte) 0x87, (byte) 0x88, (byte) 0x89, (byte) 0x8A, (byte) 0x8B, (byte) 0x8C, (byte) 0x8E, (byte) 0x91, (byte) 0x92, (byte) 0x93, (byte) 0x94, (byte) 0x95, (byte) 0x96, (byte) 0x97, (byte) 0x98, (byte) 0x99, (byte) 0x9A, (byte) 0x9B, (byte) 0x9C, (byte) 0x9E, (byte) 0x9F, (byte) 0xA0, (byte) 0xA1, (byte) 0xA2, (byte) 0xA3, (byte) 0xA4, (byte) 0xA5, (byte) 0xA6, (byte) 0xA7, (byte) 0xA8, (byte) 0xA9, (byte) 0xAA, (byte) 0xAB, (byte) 0xAC, (byte) 0xAD, (byte) 0xAE, (byte) 0xAF, (byte) 0xB0, (byte) 0xB1, (byte) 0xB2, (byte) 0xB3, (byte) 0xB4, (byte) 0xB5, (byte) 0xB6, (byte) 0xB7, (byte) 0xB8, (byte) 0xB9, (byte) 0xBA, (byte) 0xBB, (byte) 0xBC, (byte) 0xBD, (byte) 0xBE, (byte) 0xBF, (byte) 0xC0, (byte) 0xC1, (byte) 0xC2, (byte) 0xC3, (byte) 0xC4, (byte) 0xC5, (byte) 0xC6, (byte) 0xC7, (byte) 0xC8, (byte) 0xC9, (byte) 0xCA, (byte) 0xCB, (byte) 0xCC, (byte) 0xCD, (byte) 0xCE, (byte) 0xCF, (byte) 0xD0, (byte) 0xD1, (byte) 0xD2, (byte) 0xD3, (byte) 0xD4, (byte) 0xD5, (byte) 0xD6, (byte) 0xD7, (byte) 0xD8, (byte) 0xD9, (byte) 0xDA, (byte) 0xDB, (byte) 0xDC, (byte) 0xDD, (byte) 0xDE, (byte) 0xDF, (byte) 0xE0, (byte) 0xE1, (byte) 0xE2, (byte) 0xE3, (byte) 0xE4, (byte) 0xE5, (byte) 0xE6, (byte) 0xE7, (byte) 0xE8, (byte) 0xE9, (byte) 0xEA, (byte) 0xEB, (byte) 0xEC, (byte) 0xED, (byte) 0xEE, (byte) 0xEF, (byte) 0xF0, (byte) 0xF1, (byte) 0xF2, (byte) 0xF3, (byte) 0xF4, (byte) 0xF5, (byte) 0xF6, (byte) 0xF7, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0xFF }; doSimpleEncodingTest("Cp1252",b); } private static void assertEquals(final byte[] expected, final ByteBuffer actual) { Assert.assertEquals(expected.length, actual.limit()); for (final byte anExpected : expected) { final byte a = actual.get(); Assert.assertEquals(anExpected, a); } } private void doSimpleEncodingTest(final String name, byte[] testBytes) throws IOException { final ZipEncoding enc = ZipEncodingHelper.getZipEncoding(name); assertThat(enc, IsInstanceOf.instanceOf(NioZipEncoding.class)); if (testBytes == null) { testBytes = new byte[256]; for (int i = 0; i < 256; ++i) { testBytes[i] = (byte) i; } } final String decoded = enc.decode(testBytes); assertTrue(enc.canEncode(decoded)); final ByteBuffer encoded = enc.encode(decoded); assertEquals(testBytes, encoded); assertFalse(enc.canEncode(UNENC_STRING)); assertEquals("%U2016".getBytes(name), enc.encode(UNENC_STRING)); assertFalse(enc.canEncode(BAD_STRING)); assertEquals(BAD_STRING_ENC.getBytes(name), enc.encode(BAD_STRING)); } }