1 /* 2 * Copyright (c) 2017, 2018, 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 24 25 package org.graalvm.compiler.core.test; 26 27 import org.graalvm.compiler.core.common.type.Stamp; 28 import org.graalvm.compiler.core.common.type.StampFactory; 29 import org.junit.Test; 30 31 import jdk.vm.ci.meta.JavaConstant; 32 import jdk.vm.ci.meta.JavaKind; 33 import jdk.vm.ci.meta.MemoryAccessProvider; 34 35 /** 36 * 37 */ 38 public class StampMemoryAccessTest extends GraalCompilerTest { 39 40 @Test testReadPrimitive()41 public void testReadPrimitive() { 42 MemoryAccessProvider memory = getConstantReflection().getMemoryAccessProvider(); 43 Stamp stamp = StampFactory.forKind(JavaKind.Long); 44 JavaConstant objectBase = getSnippetReflection().forObject(""); 45 assertTrue(stamp.readConstant(memory, objectBase, 128) == null); 46 JavaConstant arrayBase = getSnippetReflection().forObject(new int[]{}); 47 assertTrue(stamp.readConstant(memory, arrayBase, 128) == null); 48 } 49 50 @Test testReadObject()51 public void testReadObject() { 52 MemoryAccessProvider memory = getConstantReflection().getMemoryAccessProvider(); 53 Stamp stamp = StampFactory.forKind(JavaKind.Object); 54 JavaConstant objectBase = getSnippetReflection().forObject(""); 55 assertTrue(stamp.readConstant(memory, objectBase, 128) == null); 56 JavaConstant arrayBase = getSnippetReflection().forObject(new int[]{}); 57 assertTrue(stamp.readConstant(memory, arrayBase, 128) == null); 58 } 59 } 60