| /* |
| * 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.codec.net; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.fail; |
| |
| import java.nio.charset.UnsupportedCharsetException; |
| |
| import org.apache.commons.codec.CharEncoding; |
| import org.apache.commons.codec.DecoderException; |
| import org.apache.commons.codec.EncoderException; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Quoted-printable codec test cases |
| * |
| */ |
| public class BCodecTest { |
| private static final String[] BASE64_IMPOSSIBLE_CASES = { |
| // Require the RFC 1522 "encoded-word" header |
| "=?ASCII?B?ZE==?=", |
| "=?ASCII?B?ZmC=?=", |
| "=?ASCII?B?Zm9vYE==?=", |
| "=?ASCII?B?Zm9vYmC=?=", |
| "=?ASCII?B?AB==?=" |
| }; |
| |
| static final int SWISS_GERMAN_STUFF_UNICODE[] = |
| { 0x47, 0x72, 0xFC, 0x65, 0x7A, 0x69, 0x5F, 0x7A, 0xE4, 0x6D, 0xE4 }; |
| |
| static final int RUSSIAN_STUFF_UNICODE[] = |
| { 0x412, 0x441, 0x435, 0x43C, 0x5F, 0x43F, 0x440, 0x438, 0x432, 0x435, 0x442 }; |
| |
| private String constructString(final int[] unicodeChars) { |
| final StringBuilder buffer = new StringBuilder(); |
| if (unicodeChars != null) { |
| for (final int unicodeChar : unicodeChars) { |
| buffer.append((char) unicodeChar); |
| } |
| } |
| return buffer.toString(); |
| } |
| |
| @Test |
| public void testNullInput() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| assertNull(bcodec.doDecoding(null)); |
| assertNull(bcodec.doEncoding(null)); |
| } |
| |
| @Test |
| public void testUTF8RoundTrip() throws Exception { |
| |
| final String ru_msg = constructString(RUSSIAN_STUFF_UNICODE); |
| final String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE); |
| |
| final BCodec bcodec = new BCodec(CharEncoding.UTF_8); |
| |
| assertEquals("=?UTF-8?B?0JLRgdC10Lxf0L/RgNC40LLQtdGC?=", bcodec.encode(ru_msg)); |
| assertEquals("=?UTF-8?B?R3LDvGV6aV96w6Rtw6Q=?=", bcodec.encode(ch_msg)); |
| |
| assertEquals(ru_msg, bcodec.decode(bcodec.encode(ru_msg))); |
| assertEquals(ch_msg, bcodec.decode(bcodec.encode(ch_msg))); |
| } |
| |
| @Test |
| public void testBasicEncodeDecode() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| final String plain = "Hello there"; |
| final String encoded = bcodec.encode(plain); |
| assertEquals("Basic B encoding test", "=?UTF-8?B?SGVsbG8gdGhlcmU=?=", encoded); |
| assertEquals("Basic B decoding test", plain, bcodec.decode(encoded)); |
| } |
| |
| @Test |
| public void testEncodeDecodeNull() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| assertNull("Null string B encoding test", bcodec.encode((String) null)); |
| assertNull("Null string B decoding test", bcodec.decode((String) null)); |
| } |
| |
| @Test |
| public void testEncodeStringWithNull() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| final String test = null; |
| final String result = bcodec.encode(test, "charset"); |
| assertEquals("Result should be null", null, result); |
| } |
| |
| @Test |
| public void testDecodeStringWithNull() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| final String test = null; |
| final String result = bcodec.decode(test); |
| assertEquals("Result should be null", null, result); |
| } |
| |
| @Test |
| public void testEncodeObjects() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| final String plain = "what not"; |
| final String encoded = (String) bcodec.encode((Object) plain); |
| |
| assertEquals("Basic B encoding test", "=?UTF-8?B?d2hhdCBub3Q=?=", encoded); |
| |
| final Object result = bcodec.encode((Object) null); |
| assertEquals("Encoding a null Object should return null", null, result); |
| |
| try { |
| final Object dObj = Double.valueOf(3.0d); |
| bcodec.encode(dObj); |
| fail("Trying to url encode a Double object should cause an exception."); |
| } catch (final EncoderException ee) { |
| // Exception expected, test segment passes. |
| } |
| } |
| |
| @Test(expected=UnsupportedCharsetException.class) |
| public void testInvalidEncoding() { |
| new BCodec("NONSENSE"); |
| } |
| |
| @Test |
| public void testDecodeObjects() throws Exception { |
| final BCodec bcodec = new BCodec(); |
| final String decoded = "=?UTF-8?B?d2hhdCBub3Q=?="; |
| final String plain = (String) bcodec.decode((Object) decoded); |
| assertEquals("Basic B decoding test", "what not", plain); |
| |
| final Object result = bcodec.decode((Object) null); |
| assertEquals("Decoding a null Object should return null", null, result); |
| |
| try { |
| final Object dObj = Double.valueOf(3.0d); |
| bcodec.decode(dObj); |
| fail("Trying to url encode a Double object should cause an exception."); |
| } catch (final DecoderException ee) { |
| // Exception expected, test segment passes. |
| } |
| } |
| |
| @Test |
| public void testBase64ImpossibleSamples() throws DecoderException { |
| final BCodec codec = new BCodec(); |
| // Default encoding is lenient |
| Assert.assertFalse(codec.isStrictDecoding()); |
| for (final String s : BASE64_IMPOSSIBLE_CASES) { |
| codec.decode(s); |
| } |
| // Use strict mode to prevent impossible cases |
| codec.setStrictDecoding(true); |
| Assert.assertTrue(codec.isStrictDecoding()); |
| for (final String s : BASE64_IMPOSSIBLE_CASES) { |
| try { |
| codec.decode(s); |
| fail("Expected an exception for impossible case"); |
| } catch (final DecoderException ex) { |
| // expected |
| } |
| } |
| } |
| } |