1 /*
2 * Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @author Eric Wang <yiming.wang@oracle.com>
27 * @summary tests java.util.Base64
28 *
29 * @run main/othervm/timeout=600 -Xbatch -DcheckOutput=true
30 * compiler.intrinsics.base64.TestBase64
31 */
32
33 package compiler.intrinsics.base64;
34
35 import java.io.BufferedReader;
36 import java.io.FileReader;
37 import java.nio.ByteBuffer;
38 import java.nio.charset.Charset;
39 import java.nio.charset.StandardCharsets;
40 import java.nio.file.Files;
41 import java.nio.file.Paths;
42 import java.util.Base64;
43 import java.util.Base64.Decoder;
44 import java.util.Base64.Encoder;
45 import java.util.Objects;
46 import java.util.Random;
47
48
49 public class TestBase64 {
50 static boolean checkOutput = Boolean.getBoolean("checkOutput");
51
52 public static void main(String[] args) throws Exception {
53 int iters = (args.length > 0 ? Integer.valueOf(args[0]) : 1000000);
54 System.out.println(iters + " iterations");
55
56 test0(Base64Type.BASIC, Base64.getEncoder(), Base64.getDecoder(),"plain.txt", "baseEncode.txt", iters);
57 test0(Base64Type.URLSAFE, Base64.getUrlEncoder(), Base64.getUrlDecoder(),"plain.txt", "urlEncode.txt", iters);
58 test0(Base64Type.MIME, Base64.getMimeEncoder(), Base64.getMimeDecoder(),"plain.txt", "mimeEncode.txt", iters);
59 }
60
61 public static void test0(Base64Type type, Encoder encoder, Decoder decoder, String srcFile, String encodedFile, int numIterations) throws Exception {
62
63 String[] srcLns = Files.readAllLines(Paths.get(SRCDIR, srcFile), DEF_CHARSET)
64 .toArray(new String[0]);
65 String[] encodedLns = Files.readAllLines(Paths.get(SRCDIR, encodedFile), DEF_CHARSET)
66 .toArray(new String[0]);
67
68 for (int i = 0; i < numIterations; i++) {
69 int lns = 0;
70 for (String srcStr : srcLns) {
71 String encodedStr = null;
72 if (type != Base64Type.MIME) {
73 encodedStr = encodedLns[lns++];
74 } else {
75 while (lns < encodedLns.length) {
76 String s = encodedLns[lns++];
77 if (s.length() == 0)
78 break;
79 if (encodedStr != null) {
80 encodedStr += DEFAULT_CRLF + s;
81 } else {
82 encodedStr = s;
83 }
84 }
85 if (encodedStr == null && srcStr.length() == 0) {
86 encodedStr = "";
87 }
88 }
89
90 byte[] srcArr = srcStr.getBytes(DEF_CHARSET);
91 byte[] encodedArr = encodedStr.getBytes(DEF_CHARSET);
92
93 ByteBuffer srcBuf = ByteBuffer.wrap(srcArr);
94 ByteBuffer encodedBuf = ByteBuffer.wrap(encodedArr);
95 byte[] resArr = new byte[encodedArr.length];
96
97 // test int encode(byte[], byte[])
98 int len = encoder.encode(srcArr, resArr);
99 assertEqual(len, encodedArr.length);
100 assertEqual(resArr, encodedArr);
101
102 // test byte[] encode(byte[])
103 resArr = encoder.encode(srcArr);
104 assertEqual(resArr, encodedArr);
105
106 // test ByteBuffer encode(ByteBuffer)
107 int limit = srcBuf.limit();
108 ByteBuffer resBuf = encoder.encode(srcBuf);
109 assertEqual(srcBuf.position(), limit);
110 assertEqual(srcBuf.limit(), limit);
111 assertEqual(resBuf, encodedBuf);
112 srcBuf.rewind(); // reset for next test
113
114 // test String encodeToString(byte[])
115 String resEncodeStr = encoder.encodeToString(srcArr);
116 assertEqual(resEncodeStr, encodedStr);
117
118 // test int decode(byte[], byte[])
119 resArr = new byte[srcArr.length];
120 len = decoder.decode(encodedArr, resArr);
121 assertEqual(len, srcArr.length);
122 assertEqual(resArr, srcArr);
123
124 // test byte[] decode(byte[])
125 resArr = decoder.decode(encodedArr);
126 assertEqual(resArr, srcArr);
127
128 // test ByteBuffer decode(ByteBuffer)
129 limit = encodedBuf.limit();
130 resBuf = decoder.decode(encodedBuf);
131 assertEqual(encodedBuf.position(), limit);
132 assertEqual(encodedBuf.limit(), limit);
133 assertEqual(resBuf, srcBuf);
134 encodedBuf.rewind(); // reset for next test
135
136 // test byte[] decode(String)
137 resArr = decoder.decode(encodedStr);
138 assertEqual(resArr, srcArr);
139
140 }
141 }
142 }
143
144 // helper
145 enum Base64Type {
146 BASIC, URLSAFE, MIME
147 }
148
149 private static final String SRCDIR = System.getProperty("test.src", "compiler/intrinsics/base64/");
150 private static final Charset DEF_CHARSET = StandardCharsets.US_ASCII;
151 private static final String DEF_EXCEPTION_MSG =
152 "Assertion failed! The result is not same as expected\n";
153 private static final String DEFAULT_CRLF = "\r\n";
154
155 private static void assertEqual(Object result, Object expect) {
156 if (checkOutput) {
157 if (!Objects.deepEquals(result, expect)) {
158 String resultStr = result.toString();
159 String expectStr = expect.toString();
160 if (result instanceof byte[]) {
161 resultStr = new String((byte[]) result, DEF_CHARSET);
162 }
163 if (expect instanceof byte[]) {
164 expectStr = new String((byte[]) expect, DEF_CHARSET);
165 }
166 throw new RuntimeException(DEF_EXCEPTION_MSG +
167 " result: " + resultStr + " expected: " + expectStr);
168 }
169 }
170 }
171 }