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23 
24 
25 package org.graalvm.compiler.replacements.test;
26 
27 import java.lang.reflect.Field;
28 
29 import org.graalvm.compiler.core.test.GraalCompilerTest;
30 import org.junit.Test;
31 
32 public class UnsafeBooleanAccessTest extends GraalCompilerTest {
33 
34     private static short onHeapMemory;
35 
36     private static final Object onHeapMemoryBase;
37     private static final long onHeapMemoryOffset;
38 
39     static {
40         try {
41             Field staticField = UnsafeBooleanAccessTest.class.getDeclaredField("onHeapMemory");
42             onHeapMemoryBase = UNSAFE.staticFieldBase(staticField);
43             onHeapMemoryOffset = UNSAFE.staticFieldOffset(staticField);
44         } catch (Exception e) {
45             throw new RuntimeException(e);
46         }
47     }
48 
testGetBooleanSnippet()49     public static boolean testGetBooleanSnippet() {
50         UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204);
51         return UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset);
52     }
53 
54     @Test
testGetBoolean()55     public void testGetBoolean() {
56         test("testGetBooleanSnippet");
57     }
58 
testPutBooleanSnippet()59     public static short testPutBooleanSnippet() {
60         UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204);
61         boolean bool = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset);
62         UNSAFE.putBoolean(onHeapMemoryBase, onHeapMemoryOffset, bool);
63         return onHeapMemory;
64     }
65 
66     @Test
testPutBoolean()67     public void testPutBoolean() {
68         test("testPutBooleanSnippet");
69     }
70 
testAndBooleanSnippet()71     public static boolean testAndBooleanSnippet() {
72         UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204);
73         boolean bool0 = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset);
74         boolean bool1 = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset + 1);
75         return bool0 & bool1;
76     }
77 
78     @Test
testAndBoolean()79     public void testAndBoolean() {
80         test("testAndBooleanSnippet");
81     }
82 
83 }
84