author | hannesw |
Tue, 22 Mar 2016 14:23:16 +0100 | |
changeset 36690 | 06b714373aa4 |
parent 6583 | 6410e8c9c848 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 6979683 |
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* @summary Verify that casts can narrow and unbox at the same time |
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* @author jrose |
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* |
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* @compile TestCast6979683_GOOD.java |
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* @run main TestCast6979683_GOOD |
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*/ |
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public class TestCast6979683_GOOD { |
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public static void main(String... av) { |
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bugReportExample(); |
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for (int x = -1; x <= 2; x++) { |
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zconvTests(x != 0); |
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iconvTests(x); |
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bconvTests((byte)x); |
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cconvTests((char)x); |
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} |
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System.out.println("Successfully ran "+tests+" tests."); |
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} |
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static int tests; |
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static void assertEquals(Object x, Object y) { |
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if (!x.equals(y)) { |
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throw new RuntimeException("assertEquals: "+x+" != "+y); |
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} |
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++tests; |
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} |
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static void bugReportExample() { |
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{} // example in bug report: |
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Object x = (Object)1; |
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int y = (int)x; |
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{} // end example |
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} |
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static boolean zconv1(Boolean o) { return o; } |
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static boolean zconv2(Object o) { return (boolean)o; } |
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static boolean zconv3(Comparable<Boolean> o) { return (boolean)o; } |
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static void zconvTests(boolean x) { |
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assertEquals(x, zconv1(x)); |
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assertEquals(x, zconv2(x)); |
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assertEquals(x, zconv3(x)); |
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} |
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static int iconv1(Integer o) { return o; } |
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static int iconv2(Object o) { return (int)o; } |
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static int iconv3(java.io.Serializable o) { return (int)o; } |
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static int iconv4(Number o) { return (int)o; } |
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static int iconv5(Comparable<Integer> o) { return (int)o; } |
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static void iconvTests(int x) { |
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assertEquals(x, iconv1(x)); |
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assertEquals(x, iconv2(x)); |
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assertEquals(x, iconv3(x)); |
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assertEquals(x, iconv4(x)); |
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assertEquals(x, iconv5(x)); |
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} |
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static float bconv1(Byte o) { return o; } // note type "float" |
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static float bconv2(Object o) { return (byte)o; } |
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static float bconv3(java.io.Serializable o) { return (byte)o; } |
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static float bconv4(Number o) { return (byte)o; } |
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static void bconvTests(byte x) { |
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float xf = x; |
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assertEquals(xf, bconv1(x)); |
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assertEquals(xf, bconv2(x)); |
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assertEquals(xf, bconv3(x)); |
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assertEquals(xf, bconv4(x)); |
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} |
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static float cconv1(Character o) { return o; } // note type "float" |
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static float cconv2(Object o) { return (char)o; } |
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static float cconv3(java.io.Serializable o) { return (char)o; } |
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static float cconv4(Comparable<Character> o) { return (char)o; } |
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static void cconvTests(char x) { |
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float xf = x; |
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assertEquals(xf, cconv1(x)); |
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assertEquals(xf, cconv2(x)); |
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assertEquals(xf, cconv3(x)); |
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assertEquals(xf, cconv4(x)); |
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} |
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} |