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