1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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