eaa80ad08c
8300545: Compiler Implementation for Record Patterns Co-authored-by: Aggelos Biboudis <abimpoudis@openjdk.org> Reviewed-by: vromero, mcimadamore
128 lines
4.2 KiB
Java
128 lines
4.2 KiB
Java
/*
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* Copyright (c) 2016, 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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package toolbox;
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import java.io.PrintStream;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.function.Function;
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/**
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* Utility class to manage and execute sub-tests within a test.
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*
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* This class does the following:
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* <ul>
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* <li> invokes those test methods annotated with @Test
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* <li> keeps track of successful and failed tests
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* <li> throws an Exception if any test fails.
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* <li> provides a test summary at the end of the run.
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* </ul>
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* Tests must extend this class, annotate the test methods
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* with @Test and call one of the runTests method.
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*/
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public abstract class TestRunner {
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/** Marker annotation for test cases. */
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@Retention(RetentionPolicy.RUNTIME)
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public @interface Test { }
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int testCount = 0;
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int errorCount = 0;
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public String testName = null;
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protected PrintStream out;
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/**
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* Constructs the Object.
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* @param out the PrintStream to print output to.
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*/
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public TestRunner(PrintStream out) {
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this.out = out;
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}
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/**
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* Invoke all methods annotated with @Test.
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* @throws java.lang.Exception if any errors occur
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*/
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protected void runTests() throws Exception {
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runTests(f -> new Object[0]);
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}
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/**
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* Invoke all methods annotated with @Test.
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* @param f a lambda expression to specify arguments for the test method
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* @throws java.lang.Exception if any errors occur
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*/
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protected void runTests(Function<Method, Object[]> f) throws Exception {
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String testQuery = System.getProperty("test.query");
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for (Method m : getClass().getDeclaredMethods()) {
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Annotation a = m.getAnnotation(Test.class);
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if (a != null) {
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testName = m.getName();
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if (testQuery == null || testQuery.equals(testName)) {
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try {
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testCount++;
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out.println("test: " + testName);
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m.invoke(this, f.apply(m));
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} catch (InvocationTargetException e) {
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errorCount++;
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Throwable cause = e.getCause();
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out.println("Exception running test " + testName + ": " + e.getCause());
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cause.printStackTrace(out);
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}
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out.println();
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}
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}
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}
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if (testCount == 0) {
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throw new Error("no tests found");
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}
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StringBuilder summary = new StringBuilder();
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if (testCount != 1) {
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summary.append(testCount).append(" tests");
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}
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if (errorCount > 0) {
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if (summary.length() > 0) {
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summary.append(", ");
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}
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summary.append(errorCount).append(" errors");
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}
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out.println(summary);
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if (errorCount > 0) {
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throw new Exception(errorCount + " errors found");
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}
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}
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protected void error(String message) {
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out.println("Error: " + message);
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errorCount++;
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}
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}
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