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 org.graalvm.compiler.core.common.type.Stamp;

    26 import org.graalvm.compiler.core.common.type.StampFactory;

    27 import org.junit.Ignore;

    28 import org.junit.Test;

    29 

    30 import jdk.vm.ci.meta.JavaConstant;

    31 import jdk.vm.ci.meta.JavaKind;

    32 import jdk.vm.ci.meta.MemoryAccessProvider;

    33 

    34 /**

    35  *

    36  */

    37 public class StampMemoryAccessTest extends GraalCompilerTest {

    38 

    39     @Ignore("not all JVMCI versions are safe yet")

    40     @Test

    41     public void testReadPrimitive() {

    42         MemoryAccessProvider memory = getConstantReflection().getMemoryAccessProvider();

    43         JavaConstant base = getSnippetReflection().forObject("");

    44         Stamp stamp = StampFactory.forKind(JavaKind.Long);

    45         assertTrue(stamp.readConstant(memory, base, 128) == null);

    46     }

    47 

    48     @Ignore("not all JVMCI versions are safe yet")

    49     @Test

    50     public void testReadObject() {

    51         MemoryAccessProvider memory = getConstantReflection().getMemoryAccessProvider();

    52         JavaConstant base = getSnippetReflection().forObject("");

    53         Stamp stamp = StampFactory.forKind(JavaKind.Object);

    54         assertTrue(stamp.readConstant(memory, base, 128) == null);

    55     }

    56 }