Wed, 26 Jan 2011 13:45:25 -0800
7013272: Automatically generate info about how compiler resource keys are used
Reviewed-by: mcimadamore
1 /*
2 * Copyright (c) 2010, 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 */
24 /*
25 * @test
26 * @bug 6979683
27 * @summary Verify that casts can narrow and unbox at the same time
28 * @author jrose
29 *
30 * @compile TestCast6979683_GOOD.java
31 * @run main TestCast6979683_GOOD
32 */
34 public class TestCast6979683_GOOD {
35 public static void main(String... av) {
36 bugReportExample();
37 for (int x = -1; x <= 2; x++) {
38 zconvTests(x != 0);
39 iconvTests(x);
40 bconvTests((byte)x);
41 cconvTests((char)x);
42 }
43 System.out.println("Successfully ran "+tests+" tests.");
44 }
46 static int tests;
47 static void assertEquals(Object x, Object y) {
48 if (!x.equals(y)) {
49 throw new RuntimeException("assertEquals: "+x+" != "+y);
50 }
51 ++tests;
52 }
54 static void bugReportExample() {
55 {} // example in bug report:
56 Object x = (Object)1;
57 int y = (int)x;
58 {} // end example
59 }
61 static boolean zconv1(Boolean o) { return o; }
62 static boolean zconv2(Object o) { return (boolean)o; }
63 static boolean zconv3(Comparable<Boolean> o) { return (boolean)o; }
65 static void zconvTests(boolean x) {
66 assertEquals(x, zconv1(x));
67 assertEquals(x, zconv2(x));
68 assertEquals(x, zconv3(x));
69 }
71 static int iconv1(Integer o) { return o; }
72 static int iconv2(Object o) { return (int)o; }
73 static int iconv3(java.io.Serializable o) { return (int)o; }
74 static int iconv4(Number o) { return (int)o; }
75 static int iconv5(Comparable<Integer> o) { return (int)o; }
77 static void iconvTests(int x) {
78 assertEquals(x, iconv1(x));
79 assertEquals(x, iconv2(x));
80 assertEquals(x, iconv3(x));
81 assertEquals(x, iconv4(x));
82 assertEquals(x, iconv5(x));
83 }
85 static float bconv1(Byte o) { return o; } // note type "float"
86 static float bconv2(Object o) { return (byte)o; }
87 static float bconv3(java.io.Serializable o) { return (byte)o; }
88 static float bconv4(Number o) { return (byte)o; }
90 static void bconvTests(byte x) {
91 float xf = x;
92 assertEquals(xf, bconv1(x));
93 assertEquals(xf, bconv2(x));
94 assertEquals(xf, bconv3(x));
95 assertEquals(xf, bconv4(x));
96 }
98 static float cconv1(Character o) { return o; } // note type "float"
99 static float cconv2(Object o) { return (char)o; }
100 static float cconv3(java.io.Serializable o) { return (char)o; }
101 static float cconv4(Comparable<Character> o) { return (char)o; }
103 static void cconvTests(char x) {
104 float xf = x;
105 assertEquals(xf, cconv1(x));
106 assertEquals(xf, cconv2(x));
107 assertEquals(xf, cconv3(x));
108 assertEquals(xf, cconv4(x));
109 }
111 }