1 /*
2 * Copyright (c) 2000, 2020, 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 5029431
28 * 5071718 6231529 6221101 6234263 6535542 6591971 6593946 6795561 7190219
29 * 7199551 8065556 8149469 8230665 8237514
30 * @modules java.base/java.nio:open
31 * java.base/jdk.internal.misc
32 * @author Mark Reinhold
33 */
34
35
36 import java.io.PrintStream;
37
38 import java.nio.Buffer;
39 import java.nio.ByteBuffer;
40 import java.nio.CharBuffer;
41
42
43 public class Basic {
44
45 static PrintStream out = System.err;
46
47 static long ic(int i) {
48 int j = i % 54;
49 return j + 'a' + ((j > 26) ? 128 : 0);
50 }
51
52 static String toString(Buffer b) {
53 return (b.getClass().getName()
54 + "[pos=" + b.position()
55 + " lim=" + b.limit()
56 + " cap=" + b.capacity()
57 + "]");
58 }
59
60 static void show(int level, Buffer b) {
61 for (int i = 0; i < level; i++)
62 out.print(" ");
63 out.println(toString(b) + " " + Integer.toHexString(b.hashCode()));
64 }
65
66 static void fail(String s) {
67 throw new RuntimeException(s);
68 }
69
70 static void fail(String s, Buffer b) {
71 throw new RuntimeException(s + ": " + toString(b));
72 }
73
74 static void fail(String s, Buffer b, Buffer b2) {
75 throw new RuntimeException(s + ": "
76 + toString(b) + ", " + toString(b2));
77 }
78
79 static void fail(Buffer b,
80 String expected, char expectedChar,
81 String got, char gotChar)
82 {
83 if (b instanceof ByteBuffer) {
84 ByteBuffer bb = (ByteBuffer)b;
85 int n = Math.min(16, bb.limit());
86 for (int i = 0; i < n; i++)
87 out.print(" " + Integer.toHexString(bb.get(i) & 0xff));
88 out.println();
89 }
90 if (b instanceof CharBuffer) {
91 CharBuffer bb = (CharBuffer)b;
92 int n = Math.min(16, bb.limit());
93 for (int i = 0; i < n; i++)
94 out.print(" " + Integer.toHexString(bb.get(i) & 0xffff));
95 out.println();
96 }
97 throw new RuntimeException(toString(b)
98 + ": Expected '" + expectedChar + "'=0x"
99 + expected
100 + ", got '" + gotChar + "'=0x"
101 + got);
102 }
103
104 static void fail(Buffer b, long expected, long got) {
105 fail(b,
106 Long.toHexString(expected), (char)expected,
107 Long.toHexString(got), (char)got);
108 }
109
110 static void ck(Buffer b, boolean cond) {
111 if (!cond)
112 fail("Condition failed", b);
113 }
114
115 static void ck(Buffer b, long got, long expected) {
116 if (expected != got)
117 fail(b, expected, got);
118 }
119
120 static void ck(Buffer b, float got, float expected) {
121 if (expected != got)
122 fail(b,
123 Float.toString(expected), (char)expected,
124 Float.toString(got), (char)got);
125 }
126
127 static void ck(Buffer b, double got, double expected) {
128 if (expected != got)
129 fail(b,
130 Double.toString(expected), (char)expected,
131 Double.toString(got), (char)got);
132 }
133
134 public static void main(String[] args) {
135 BasicByte.test();
136 BasicChar.test();
137 BasicShort.test();
138 BasicInt.test();
139 BasicLong.test();
140 BasicFloat.test();
141 BasicDouble.test();
142 }
143
144 }
--- EOF ---