3789983e89
Reviewed-by: darcy, ihse
195 lines
6.4 KiB
Java
195 lines
6.4 KiB
Java
/*
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* Copyright (c) 2011, 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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* @test
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* @bug 6371401
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* @summary Tests of fooValueExact methods
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* @author Joseph D. Darcy
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*/
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import java.math.BigInteger;
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public class TestValueExact {
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public static void main(String... args) {
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int errors = 0;
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errors += testLongValueExact();
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errors += testIntValueExact();
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errors += testShortValueExact();
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errors += testByteValueExact();
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if (errors > 0)
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throw new RuntimeException();
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}
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private static int testLongValueExact() {
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int errors = 0;
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BigInteger[] inRange = {
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BigInteger.valueOf(Long.MIN_VALUE),
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BigInteger.ZERO,
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BigInteger.valueOf(Long.MAX_VALUE)
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};
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BigInteger[] outOfRange = {
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BigInteger.valueOf(Long.MIN_VALUE).subtract(BigInteger.ONE),
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BigInteger.valueOf(Long.MAX_VALUE).add(BigInteger.ONE)
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};
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for (BigInteger bi : inRange) {
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if (bi.longValueExact() != bi.longValue()) {
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System.err.println("Mismatching int conversion for " + bi);
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errors++;
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}
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}
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for (BigInteger bi : outOfRange) {
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try {
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long value = bi.longValueExact();
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System.err.println("Failed to get expected exception on " +
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bi + " got " + value);
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errors++;
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} catch(ArithmeticException ae) {
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; // Expected
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}
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}
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return errors;
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}
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private static int testIntValueExact() {
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int errors = 0;
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BigInteger[] inRange = {
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BigInteger.valueOf(Integer.MIN_VALUE),
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BigInteger.ZERO,
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BigInteger.ONE,
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BigInteger.TEN,
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BigInteger.valueOf(Integer.MAX_VALUE)
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};
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BigInteger[] outOfRange = {
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BigInteger.valueOf((long)Integer.MIN_VALUE - 1),
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BigInteger.valueOf((long)Integer.MAX_VALUE + 1)
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};
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for (BigInteger bi : inRange) {
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if (bi.intValueExact() != bi.intValue()) {
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System.err.println("Mismatching int conversion for " + bi);
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errors++;
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}
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}
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for (BigInteger bi : outOfRange) {
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try {
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int value = bi.intValueExact();
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System.err.println("Failed to get expected exception on " +
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bi + " got " + value);
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errors++;
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} catch(ArithmeticException ae) {
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; // Expected
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}
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}
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return errors;
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}
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private static int testShortValueExact() {
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int errors = 0;
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BigInteger[] inRange = {
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BigInteger.valueOf(Short.MIN_VALUE),
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BigInteger.ZERO,
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BigInteger.ONE,
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BigInteger.TEN,
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BigInteger.valueOf(Short.MAX_VALUE)
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};
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BigInteger[] outOfRange = {
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BigInteger.valueOf((long)Integer.MIN_VALUE - 1),
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BigInteger.valueOf((long)Integer.MIN_VALUE),
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BigInteger.valueOf( (int)Short.MIN_VALUE - 1),
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BigInteger.valueOf( (int)Short.MAX_VALUE + 1),
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BigInteger.valueOf((long)Integer.MAX_VALUE),
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BigInteger.valueOf((long)Integer.MAX_VALUE + 1)
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};
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for (BigInteger bi : inRange) {
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if (bi.shortValueExact() != bi.shortValue()) {
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System.err.println("Mismatching short conversion for " + bi);
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errors++;
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}
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}
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for (BigInteger bi : outOfRange) {
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try {
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int value = bi.shortValueExact();
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System.err.println("Failed to get expected exception on " +
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bi + " got " + value);
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errors++;
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} catch(ArithmeticException ae) {
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; // Expected
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}
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}
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return errors;
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}
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private static int testByteValueExact() {
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int errors = 0;
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BigInteger[] inRange = {
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BigInteger.valueOf(Byte.MIN_VALUE),
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BigInteger.valueOf(0),
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BigInteger.ONE,
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BigInteger.TEN,
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BigInteger.valueOf(Byte.MAX_VALUE)
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};
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BigInteger[] outOfRange = {
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BigInteger.valueOf((long)Integer.MIN_VALUE - 1),
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BigInteger.valueOf((long)Integer.MIN_VALUE),
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BigInteger.valueOf( (int)Short.MIN_VALUE - 1),
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BigInteger.valueOf( (int)Short.MIN_VALUE),
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BigInteger.valueOf( (int)Byte.MIN_VALUE - 1),
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BigInteger.valueOf( (int)Byte.MAX_VALUE + 1),
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BigInteger.valueOf( (int)Short.MAX_VALUE + 1),
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BigInteger.valueOf( (int)Short.MAX_VALUE),
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BigInteger.valueOf((long)Integer.MAX_VALUE),
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BigInteger.valueOf((long)Integer.MAX_VALUE + 1)
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};
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for (BigInteger bi : inRange) {
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if (bi.byteValueExact() != bi.byteValue()) {
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System.err.println("Mismatching byte conversion for " + bi);
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errors++;
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}
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}
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for (BigInteger bi : outOfRange) {
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try {
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int value = bi.byteValueExact();
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System.err.println("Failed to get expected exception on " +
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bi + " got " + value);
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errors++;
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} catch(ArithmeticException ae) {
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; // Expected
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}
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}
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return errors;
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}
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}
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