--- /dev/null 2011-09-09 08:54:05.143134050 -0700 +++ new/test/java/math/BigInteger/TestValueExact.java 2011-09-09 15:58:34.000000000 -0700 @@ -0,0 +1,194 @@ +/* + * Copyright (c) 2011, 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 6371401 + * @summary Tests of fooValueExact methods + * @author Joseph D. Darcy + */ +import java.math.BigInteger; + +public class TestValueExact { + public static void main(String... args) { + int errors = 0; + + errors += testLongValueExact(); + errors += testIntValueExact(); + errors += testShortValueExact(); + errors += testByteValueExact(); + + if (errors > 0) + throw new RuntimeException(); + } + + private static int testLongValueExact() { + int errors = 0; + BigInteger[] inRange = { + BigInteger.valueOf(Long.MIN_VALUE), + BigInteger.ZERO, + BigInteger.valueOf(Long.MAX_VALUE) + }; + + BigInteger[] outOfRange = { + BigInteger.valueOf(Long.MIN_VALUE).subtract(BigInteger.ONE), + BigInteger.valueOf(Long.MAX_VALUE).add(BigInteger.ONE) + }; + + for(BigInteger bi : inRange) { + if (bi.longValueExact() != bi.longValue()) { + System.err.println("Mismatching int conversion for " + bi); + errors++; + } + } + + for(BigInteger bi : outOfRange) { + try { + long value = bi.longValueExact(); + System.err.println("Failed to get expected exception on " + + bi + " got " + value); + errors++; + } catch(ArithmeticException ae) { + ; // Expected + } + } + return errors; + } + + private static int testIntValueExact() { + int errors = 0; + BigInteger[] inRange = { + BigInteger.valueOf(Integer.MIN_VALUE), + BigInteger.ZERO, + BigInteger.ONE, + BigInteger.TEN, + BigInteger.valueOf(Integer.MAX_VALUE) + }; + + BigInteger[] outOfRange = { + BigInteger.valueOf((long)Integer.MIN_VALUE - 1), + BigInteger.valueOf((long)Integer.MAX_VALUE + 1) + }; + + for(BigInteger bi : inRange) { + if (bi.intValueExact() != bi.intValue()) { + System.err.println("Mismatching int conversion for " + bi); + errors++; + } + } + + for(BigInteger bi : outOfRange) { + try { + int value = bi.intValueExact(); + System.err.println("Failed to get expected exception on " + + bi + " got " + value); + errors++; + } catch(ArithmeticException ae) { + ; // Expected + } + } + return errors; + } + + private static int testShortValueExact() { + int errors = 0; + BigInteger[] inRange = { + BigInteger.valueOf(Short.MIN_VALUE), + BigInteger.ZERO, + BigInteger.ONE, + BigInteger.TEN, + BigInteger.valueOf(Short.MAX_VALUE) + }; + + BigInteger[] outOfRange = { + BigInteger.valueOf((long)Integer.MIN_VALUE - 1), + BigInteger.valueOf((long)Integer.MIN_VALUE), + BigInteger.valueOf( (int)Short.MIN_VALUE - 1), + BigInteger.valueOf( (int)Short.MAX_VALUE + 1), + BigInteger.valueOf((long)Integer.MAX_VALUE), + BigInteger.valueOf((long)Integer.MAX_VALUE + 1) + }; + + for(BigInteger bi : inRange) { + if (bi.shortValueExact() != bi.shortValue()) { + System.err.println("Mismatching short conversion for " + bi); + errors++; + } + } + + for(BigInteger bi : outOfRange) { + try { + int value = bi.shortValueExact(); + System.err.println("Failed to get expected exception on " + + bi + " got " + value); + errors++; + } catch(ArithmeticException ae) { + ; // Expected + } + } + return errors; + } + + private static int testByteValueExact() { + int errors = 0; + BigInteger[] inRange = { + BigInteger.valueOf(Byte.MIN_VALUE), + BigInteger.valueOf(0), + BigInteger.ONE, + BigInteger.TEN, + BigInteger.valueOf(Byte.MAX_VALUE) + }; + + BigInteger[] outOfRange = { + BigInteger.valueOf((long)Integer.MIN_VALUE - 1), + BigInteger.valueOf((long)Integer.MIN_VALUE), + BigInteger.valueOf( (int)Short.MIN_VALUE - 1), + BigInteger.valueOf( (int)Short.MIN_VALUE), + BigInteger.valueOf( (int)Byte.MIN_VALUE - 1), + BigInteger.valueOf( (int)Byte.MAX_VALUE + 1), + BigInteger.valueOf( (int)Short.MAX_VALUE + 1), + BigInteger.valueOf( (int)Short.MAX_VALUE), + BigInteger.valueOf((long)Integer.MAX_VALUE), + BigInteger.valueOf((long)Integer.MAX_VALUE + 1) + }; + + for(BigInteger bi : inRange) { + if (bi.byteValueExact() != bi.byteValue()) { + System.err.println("Mismatching byte conversion for " + bi); + errors++; + } + } + + for(BigInteger bi : outOfRange) { + try { + int value = bi.byteValueExact(); + System.err.println("Failed to get expected exception on " + + bi + " got " + value); + errors++; + } catch(ArithmeticException ae) { + ; // Expected + } + } + return errors; + } +}