109 lines
4.1 KiB
Java
109 lines
4.1 KiB
Java
/*
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* Copyright (c) 2023, 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 8298065
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* @summary Test output of NoSuchFieldError when field signature does not match
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* @compile NoSuchFieldPrimitive.jasm NoSuchFieldReference.jasm TestClass.java
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* @compile NoSuchFieldArray.jasm NoSuchFieldMultiArray.jasm
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* @run main NoSuchFieldOutputTest
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*/
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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// Tests the output text of NoSuchFieldError
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public class NoSuchFieldOutputTest {
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public static void main(java.lang.String[] unused) throws Exception {
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try {
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Class.forName("NoSuchFieldPrimitive").newInstance();
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} catch (NoSuchFieldError nsfe) {
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testNoSuchFieldOutput(nsfe, "primitive");
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}
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try {
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Class.forName("NoSuchFieldReference").newInstance();
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} catch (NoSuchFieldError nsfe) {
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testNoSuchFieldOutput(nsfe, "reference");
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}
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try {
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Class.forName("NoSuchFieldArray").newInstance();
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} catch (NoSuchFieldError nsfe) {
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testNoSuchFieldOutput(nsfe, "array");
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}
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try {
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Class.forName("NoSuchFieldMultiArray").newInstance();
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} catch (NoSuchFieldError nsfe) {
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testNoSuchFieldOutput(nsfe, "multiArray");
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}
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}
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private static void testNoSuchFieldOutput(NoSuchFieldError nsfe, String testType) throws Exception {
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Pattern noSuchFieldPattern = Pattern.compile("Class (?<classname>[\\w\\d]+) does not have member field '(?<signature>[\\S]+) (?<varname>[\\w\\d]+)'");
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String output = nsfe.getMessage();
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Matcher noSuchFieldMatcher = noSuchFieldPattern.matcher(output);
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if (noSuchFieldMatcher.matches()) {
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switch (testType) {
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case "primitive":
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checkOutputGroups(noSuchFieldMatcher, output, "NoSuchFieldPrimitive", "int", "x");
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break;
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case "reference":
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checkOutputGroups(noSuchFieldMatcher, output, "NoSuchFieldReference", "TestClass", "y");
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break;
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case "array":
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checkOutputGroups(noSuchFieldMatcher, output, "NoSuchFieldArray", "char[]", "z");
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break;
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case "multiArray":
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checkOutputGroups(noSuchFieldMatcher, output, "NoSuchFieldMultiArray", "double[][]", "a");
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break;
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default:
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throwTestException("No matching test", output);
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}
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} else {
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throwTestException("Output format does not match", output);
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}
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System.out.println(output);
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}
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private static void checkOutputGroups(Matcher noSuchFieldMatcher, String output,
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String testClass, String testSig, String testVar) throws Exception {
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String classname = noSuchFieldMatcher.group("classname");
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String signature = noSuchFieldMatcher.group("signature");
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String varname = noSuchFieldMatcher.group("varname");
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if (!classname.equals(testClass)) {
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throwTestException("Failed to match class name", output);
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}
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if (!signature.equals(testSig)) {
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throwTestException("Failed to match type signature", output);
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}
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if (!varname.equals(testVar)) {
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throwTestException("Failed to match field name", output);
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}
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}
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private static void throwTestException(String reason, String output) throws Exception {
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throw new Exception(reason + " . Stdout is :\n" + output);
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}
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}
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