Basic.java revision 6073:cea72c2bf071 
1/*
2 * Copyright (c) 2000, 2012, 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/* @test
25 * @summary Unit test for buffers
26 * @bug 4413135 4414911 4416536 4416562 4418782 4471053 4472779 4490253 4523725
27 *      4526177 4463011 4660660 4661219 4663521 4782970 4804304 4938424 6231529
28 *      6221101 6234263 6535542 6591971 6593946 6795561 7190219 7199551
29 * @author Mark Reinhold
30 */
31
32
33import java.io.PrintStream;
34
35import java.nio.Buffer;
36import java.nio.ByteBuffer;
37import java.nio.CharBuffer;
38
39
40public class Basic {
41
42    static PrintStream out = System.err;
43
44    static long ic(int i) {
45        int j = i % 54;
46        return j + 'a' + ((j > 26) ? 128 : 0);
47    }
48
49    static String toString(Buffer b) {
50        return (b.getClass().getName()
51                + "[pos=" + b.position()
52                + " lim=" + b.limit()
53                + " cap=" + b.capacity()
54                + "]");
55    }
56
57    static void show(int level, Buffer b) {
58        for (int i = 0; i < level; i++)
59            out.print("  ");
60        out.println(toString(b) + " " + Integer.toHexString(b.hashCode()));
61    }
62
63    static void fail(String s) {
64        throw new RuntimeException(s);
65    }
66
67    static void fail(String s, Buffer b) {
68        throw new RuntimeException(s + ": " + toString(b));
69    }
70
71    static void fail(String s, Buffer b, Buffer b2) {
72        throw new RuntimeException(s + ": "
73                                   + toString(b) + ", " + toString(b2));
74    }
75
76    static void fail(Buffer b,
77                     String expected, char expectedChar,
78                     String got, char gotChar)
79    {
80        if (b instanceof ByteBuffer) {
81            ByteBuffer bb = (ByteBuffer)b;
82            int n = Math.min(16, bb.limit());
83            for (int i = 0; i < n; i++)
84                out.print(" " + Integer.toHexString(bb.get(i) & 0xff));
85            out.println();
86        }
87        if (b instanceof CharBuffer) {
88            CharBuffer bb = (CharBuffer)b;
89            int n = Math.min(16, bb.limit());
90            for (int i = 0; i < n; i++)
91                out.print(" " + Integer.toHexString(bb.get(i) & 0xffff));
92            out.println();
93        }
94        throw new RuntimeException(toString(b)
95                                   + ": Expected '" + expectedChar + "'=0x"
96                                   + expected
97                                   + ", got '" + gotChar + "'=0x"
98                                   + got);
99    }
100
101    static void fail(Buffer b, long expected, long got) {
102        fail(b,
103             Long.toHexString(expected), (char)expected,
104             Long.toHexString(got), (char)got);
105    }
106
107    static void ck(Buffer b, boolean cond) {
108        if (!cond)
109            fail("Condition failed", b);
110    }
111
112    static void ck(Buffer b, long got, long expected) {
113        if (expected != got)
114            fail(b, expected, got);
115    }
116
117    static void ck(Buffer b, float got, float expected) {
118        if (expected != got)
119            fail(b,
120                 Float.toString(expected), (char)expected,
121                 Float.toString(got), (char)got);
122    }
123
124    static void ck(Buffer b, double got, double expected) {
125        if (expected != got)
126            fail(b,
127                 Double.toString(expected), (char)expected,
128                 Double.toString(got), (char)got);
129    }
130
131    public static void main(String[] args) {
132        BasicByte.test();
133        BasicChar.test();
134        BasicShort.test();
135        BasicInt.test();
136        BasicLong.test();
137        BasicFloat.test();
138        BasicDouble.test();
139    }
140
141}
142