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.graph.test.graphio; 24 25 import java.io.File; 26 import java.lang.reflect.Method; 27 import static org.junit.Assert.assertTrue; 28 import org.junit.Assume; 29 import org.junit.Test; 30 31 public class GraphSnippetTest { 32 @Test 33 public void dumpTheFile() throws Exception { 34 Class<?> snippets = null; 35 try { 36 snippets = Class.forName("org.graalvm.graphio.GraphSnippets"); 37 } catch (ClassNotFoundException notFound) { 38 Assume.assumeNoException("The snippets class has to be around", notFound); 39 } 40 Method dump = null; 41 try { 42 dump = snippets.getDeclaredMethod("dump", File.class); 43 dump.setAccessible(true); 44 } catch (RuntimeException ex) { 45 Assume.assumeTrue("Only run the test, if the method is accessible", dump != null && dump.isAccessible()); 46 } 47 File diamond = File.createTempFile("diamond", ".bgv"); 48 dump.invoke(null, diamond); 49 assertTrue("File .bgv created: " + diamond, diamond.length() > 50); 50 } 51 }