105 lines
4.3 KiB
Java
105 lines
4.3 KiB
Java
/*
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* Copyright (c) 2013, 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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import java.lang.reflect.Method;
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/**
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* @test
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* @bug 8013900
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* @summary More warning compiling jaxp.
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* This test only test one of the methods used to implement hashCode()
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* in com.sun.org.apache.xerces.internal.impl.dv.xs.PrecisionDecimalDV$XPrecisionDecimal.
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* Since that method is private the test unfortunately needs to use reflection
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* to invoke the method.
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* @modules java.xml/com.sun.org.apache.xerces.internal.impl.dv.xs:open
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* @run main XPrecisionDecimalToString
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* @author Daniel Fuchs
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*/
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public class XPrecisionDecimalToString {
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private static final String className =
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"com.sun.org.apache.xerces.internal.impl.dv.xs.PrecisionDecimalDV$XPrecisionDecimal";
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private static final String methodName = "canonicalToStringForHashCode";
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private static final Class<?>[] signature = { String.class, String.class, int.class, int.class };
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private static Method method;
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// Invokes XPrecisionDecimal.canonicalToStringForHashCode through reflection,
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// because the method is private...
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//
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// Construct a canonical String representation of this number
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// for the purpose of deriving a hashCode value compliant with
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// equals.
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// The toString representation will be:
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// NaN for NaN, INF for +infinity, -INF for -infinity, 0 for zero,
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// and [1-9]\.[0-9]*[1-9]?(E[1-9][0-9]*)? for other numbers.
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private static String canonicalToStringForHashCode(String ivalue, String fvalue, int sign, int pvalue) {
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try {
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if (method == null) {
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Class<?> type = Class.forName(className);
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method = type.getDeclaredMethod(methodName, signature);
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method.setAccessible(true);
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}
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} catch (Exception x) {
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throw new Error("Impossible to find '"+className+"."+methodName+"': "+ x, x);
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}
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try {
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return (String) method.invoke(null, new Object[] {ivalue, fvalue, sign, pvalue} );
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} catch(Exception x) {
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throw new Error("Failed to invoke "+className+"."+methodName+"(\""+
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ivalue+"\", \""+fvalue+"\", "+sign+", "+pvalue+"): " +x, x);
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}
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}
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) {
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test("123","7890",-1,0,"-1.23789E2");
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test("0","007890",-1,0,"-7.89E-3");
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test("123","7890",1,0,"1.23789E2");
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test("0","007890",1,0,"7.89E-3");
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test("123","7890",1,10,"1.23789E12");
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test("0","007890",1,33,"7.89E30");
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test("INF","",1,0,"INF");
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test("INF","",-1,0,"-INF");
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test("NaN","",0,0,"NaN");
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test("0","",1,0,"0");
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test("00000","00000",1,10,"0");
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test("00000","00000",-1,10,"0");
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test("00000","000001",-1,-10,"-1E-16");
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}
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private static void test(String ival, String fval, int sign, int pvalue, String expected) {
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final String canonical = canonicalToStringForHashCode(ival, fval, sign, pvalue);
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System.out.println((sign == -1 ? "-" : "") + ival +
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("INF".equals(ival) || "NaN".equals(ival) ? ""
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: ( "." + fval + "E" + pvalue))
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+ " => "+ canonical);
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if (!expected.equals(canonical)) {
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throw new Error("expected: "+expected+" got: "+ canonical);
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}
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}
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}
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