1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.core.test; 24 25 import java.io.File; 26 import java.io.IOException; 27 import java.lang.reflect.Field; 28 import java.lang.reflect.Method; 29 import java.nio.file.Files; 30 import java.nio.file.Path; 31 import java.nio.file.Paths; 32 import java.util.Comparator; 33 34 import org.graalvm.compiler.printer.GraalDebugHandlersFactory; 35 import org.graalvm.compiler.test.AddExports; 36 import org.junit.Test; 37 38 @AddExports("jdk.internal.vm.compiler/org.graalvm.compiler.printer") 39 public class GraalDebugHandlersFactoryTest extends GraalCompilerTest { 40 41 @Test 42 public void createUniqueTest() throws Exception { 43 Field maxFileNameLengthField = GraalDebugHandlersFactory.class.getDeclaredField("MAX_FILE_NAME_LENGTH"); 44 maxFileNameLengthField.setAccessible(true); 45 int maxFileNameLength = maxFileNameLengthField.getInt(null); 46 Method createUniqueMethod = GraalDebugHandlersFactory.class.getDeclaredMethod("createUnique", Path.class, String.class, String.class, String.class, boolean.class); 47 createUniqueMethod.setAccessible(true); 48 Path tmpDir = Files.createTempDirectory(Paths.get("."), "createUniqueTest"); 49 try { 50 for (boolean createDirectory : new boolean[]{true, false}) { 51 for (String ext : new String[]{"", ".bgv", ".graph-strings"}) { 52 for (int i = 0; i < maxFileNameLength + 5; i++) { 53 String id = new String(new char[i]).replace('\0', 'i'); 54 String label = ""; 55 createUniqueMethod.invoke(null, tmpDir, id, label, ext, createDirectory); 56 57 id = ""; 58 label = new String(new char[i]).replace('\0', 'l'); 59 createUniqueMethod.invoke(null, tmpDir, id, label, ext, createDirectory); 60 } 61 } 62 } 63 } finally { 64 deleteTree(tmpDir); 65 } 66 } 67 68 private static void deleteTree(Path root) throws IOException { 69 Files.walk(root).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete); 70 } 71 }