Mon, 21 Jan 2013 11:16:28 -0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 6979683 |
aoqi@0 | 27 | * @summary Verify that casts can narrow and unbox at the same time |
aoqi@0 | 28 | * @author jrose |
aoqi@0 | 29 | * |
aoqi@0 | 30 | * @compile TestCast6979683_GOOD.java |
aoqi@0 | 31 | * @run main TestCast6979683_GOOD |
aoqi@0 | 32 | */ |
aoqi@0 | 33 | |
aoqi@0 | 34 | public class TestCast6979683_GOOD { |
aoqi@0 | 35 | public static void main(String... av) { |
aoqi@0 | 36 | bugReportExample(); |
aoqi@0 | 37 | for (int x = -1; x <= 2; x++) { |
aoqi@0 | 38 | zconvTests(x != 0); |
aoqi@0 | 39 | iconvTests(x); |
aoqi@0 | 40 | bconvTests((byte)x); |
aoqi@0 | 41 | cconvTests((char)x); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | System.out.println("Successfully ran "+tests+" tests."); |
aoqi@0 | 44 | } |
aoqi@0 | 45 | |
aoqi@0 | 46 | static int tests; |
aoqi@0 | 47 | static void assertEquals(Object x, Object y) { |
aoqi@0 | 48 | if (!x.equals(y)) { |
aoqi@0 | 49 | throw new RuntimeException("assertEquals: "+x+" != "+y); |
aoqi@0 | 50 | } |
aoqi@0 | 51 | ++tests; |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | static void bugReportExample() { |
aoqi@0 | 55 | {} // example in bug report: |
aoqi@0 | 56 | Object x = (Object)1; |
aoqi@0 | 57 | int y = (int)x; |
aoqi@0 | 58 | {} // end example |
aoqi@0 | 59 | } |
aoqi@0 | 60 | |
aoqi@0 | 61 | static boolean zconv1(Boolean o) { return o; } |
aoqi@0 | 62 | static boolean zconv2(Object o) { return (boolean)o; } |
aoqi@0 | 63 | static boolean zconv3(Comparable<Boolean> o) { return (boolean)o; } |
aoqi@0 | 64 | |
aoqi@0 | 65 | static void zconvTests(boolean x) { |
aoqi@0 | 66 | assertEquals(x, zconv1(x)); |
aoqi@0 | 67 | assertEquals(x, zconv2(x)); |
aoqi@0 | 68 | assertEquals(x, zconv3(x)); |
aoqi@0 | 69 | } |
aoqi@0 | 70 | |
aoqi@0 | 71 | static int iconv1(Integer o) { return o; } |
aoqi@0 | 72 | static int iconv2(Object o) { return (int)o; } |
aoqi@0 | 73 | static int iconv3(java.io.Serializable o) { return (int)o; } |
aoqi@0 | 74 | static int iconv4(Number o) { return (int)o; } |
aoqi@0 | 75 | static int iconv5(Comparable<Integer> o) { return (int)o; } |
aoqi@0 | 76 | |
aoqi@0 | 77 | static void iconvTests(int x) { |
aoqi@0 | 78 | assertEquals(x, iconv1(x)); |
aoqi@0 | 79 | assertEquals(x, iconv2(x)); |
aoqi@0 | 80 | assertEquals(x, iconv3(x)); |
aoqi@0 | 81 | assertEquals(x, iconv4(x)); |
aoqi@0 | 82 | assertEquals(x, iconv5(x)); |
aoqi@0 | 83 | } |
aoqi@0 | 84 | |
aoqi@0 | 85 | static float bconv1(Byte o) { return o; } // note type "float" |
aoqi@0 | 86 | static float bconv2(Object o) { return (byte)o; } |
aoqi@0 | 87 | static float bconv3(java.io.Serializable o) { return (byte)o; } |
aoqi@0 | 88 | static float bconv4(Number o) { return (byte)o; } |
aoqi@0 | 89 | |
aoqi@0 | 90 | static void bconvTests(byte x) { |
aoqi@0 | 91 | float xf = x; |
aoqi@0 | 92 | assertEquals(xf, bconv1(x)); |
aoqi@0 | 93 | assertEquals(xf, bconv2(x)); |
aoqi@0 | 94 | assertEquals(xf, bconv3(x)); |
aoqi@0 | 95 | assertEquals(xf, bconv4(x)); |
aoqi@0 | 96 | } |
aoqi@0 | 97 | |
aoqi@0 | 98 | static float cconv1(Character o) { return o; } // note type "float" |
aoqi@0 | 99 | static float cconv2(Object o) { return (char)o; } |
aoqi@0 | 100 | static float cconv3(java.io.Serializable o) { return (char)o; } |
aoqi@0 | 101 | static float cconv4(Comparable<Character> o) { return (char)o; } |
aoqi@0 | 102 | |
aoqi@0 | 103 | static void cconvTests(char x) { |
aoqi@0 | 104 | float xf = x; |
aoqi@0 | 105 | assertEquals(xf, cconv1(x)); |
aoqi@0 | 106 | assertEquals(xf, cconv2(x)); |
aoqi@0 | 107 | assertEquals(xf, cconv3(x)); |
aoqi@0 | 108 | assertEquals(xf, cconv4(x)); |
aoqi@0 | 109 | } |
aoqi@0 | 110 | |
aoqi@0 | 111 | } |