| /* |
| * Copyright (c) 2014, 2015, 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. |
| */ |
| |
| import com.oracle.java.testlibrary.Asserts; |
| import com.oracle.java.testlibrary.Platform; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * @test |
| * @summary Verify that for each group of mutually exclusive predicates defined |
| * in com.oracle.java.testlibrary.Platform one and only one predicate |
| * evaluates to true. |
| * @library /testlibrary |
| * @run main TestMutuallyExclusivePlatformPredicates |
| */ |
| public class TestMutuallyExclusivePlatformPredicates { |
| private static enum MethodGroup { |
| ARCH("isARM", "isPPC", "isSparc", "isX86", "isX64", "isAArch64"), |
| BITNESS("is32bit", "is64bit"), |
| OS("isAix", "isLinux", "isSolaris", "isWindows", "isOSX"), |
| VM_TYPE("isClient", "isServer", "isGraal", "isMinimal"), |
| IGNORED("isEmbedded", "isDebugBuild", "shouldSAAttach", |
| "canPtraceAttachLinux", "canAttachOSX"); |
| |
| public final List<String> methodNames; |
| |
| private MethodGroup(String... methodNames) { |
| this.methodNames = Collections.unmodifiableList( |
| Arrays.asList(methodNames)); |
| } |
| } |
| |
| public static void main(String args[]) { |
| EnumSet<MethodGroup> notIgnoredMethodGroups |
| = EnumSet.complementOf(EnumSet.of(MethodGroup.IGNORED)); |
| |
| notIgnoredMethodGroups.forEach( |
| TestMutuallyExclusivePlatformPredicates::verifyPredicates); |
| |
| TestMutuallyExclusivePlatformPredicates.verifyCoverage(); |
| } |
| |
| /** |
| * Verifies that one and only one predicate method defined in |
| * {@link com.oracle.java.testlibrary.Platform}, whose name included into |
| * methodGroup will return {@code true}. |
| * @param methodGroup The group of methods that should be tested. |
| */ |
| private static void verifyPredicates(MethodGroup methodGroup) { |
| System.out.println("Verifying method group: " + methodGroup.name()); |
| long truePredicatesCount = methodGroup.methodNames.stream() |
| .filter(TestMutuallyExclusivePlatformPredicates |
| ::evaluatePredicate) |
| .count(); |
| |
| Asserts.assertEQ(truePredicatesCount, 1L, String.format( |
| "Only one predicate from group %s should be evaluated to true " |
| + "(Actually %d predicates were evaluated to true).", |
| methodGroup.name(), truePredicatesCount)); |
| } |
| |
| /** |
| * Verifies that all predicates defined in |
| * {@link com.oracle.java.testlibrary.Platform} were either tested or |
| * explicitly ignored. |
| */ |
| private static void verifyCoverage() { |
| Set<String> allMethods = new HashSet<>(); |
| for (MethodGroup group : MethodGroup.values()) { |
| allMethods.addAll(group.methodNames); |
| } |
| |
| for (Method m : Platform.class.getMethods()) { |
| if (m.getParameterCount() == 0 |
| && m.getReturnType() == boolean.class) { |
| Asserts.assertTrue(allMethods.contains(m.getName()), |
| "All Platform's methods with signature '():Z' should " |
| + "be tested "); |
| } |
| } |
| } |
| |
| /** |
| * Evaluates predicate method with name {@code name} defined in |
| * {@link com.oracle.java.testlibrary.Platform}. |
| * |
| * @param name The name of a predicate to be evaluated. |
| * @return evaluated predicate's value. |
| * @throws java.lang.Error if predicate is not defined or could not be |
| * evaluated. |
| */ |
| private static boolean evaluatePredicate(String name) { |
| try { |
| System.out.printf("Trying to evaluate predicate with name %s%n", |
| name); |
| boolean value |
| = (Boolean) Platform.class.getMethod(name).invoke(null); |
| System.out.printf("Predicate evaluated to: %s%n", value); |
| return value; |
| } catch (NoSuchMethodException e) { |
| throw new Error("Predicate with name " + name |
| + " is not defined in " + Platform.class.getName(), e); |
| } catch (IllegalAccessException | InvocationTargetException e) { |
| throw new Error("Unable to evaluate predicate " + name, e); |
| } |
| } |
| } |