23
24 /*
25 * @test
26 * @bug 8143628
27 * @summary Test unsafe access for boolean
28 * @modules jdk.unsupported/sun.misc
29 * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestBoolean
30 * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestBoolean
31 * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestBoolean
32 * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestBoolean
33 */
34
35 import org.testng.annotations.Test;
36
37 import java.lang.reflect.Field;
38
39 import static org.testng.Assert.*;
40
41 public class SunMiscUnsafeAccessTestBoolean {
42 static final int ITERS = Integer.getInteger("iters", 1);
43
44 static final sun.misc.Unsafe UNSAFE;
45
46 static final long V_OFFSET;
47
48 static final Object STATIC_V_BASE;
49
50 static final long STATIC_V_OFFSET;
51
52 static int ARRAY_OFFSET;
53
54 static int ARRAY_SHIFT;
55
56 static {
57 try {
58 Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
59 f.setAccessible(true);
60 UNSAFE = (sun.misc.Unsafe) f.get(null);
61 } catch (Exception e) {
62 throw new RuntimeException("Unable to get Unsafe instance.", e);
114
115 static void testAccess(Object base, long offset) {
116 // Plain
117 {
118 UNSAFE.putBoolean(base, offset, true);
119 boolean x = UNSAFE.getBoolean(base, offset);
120 assertEquals(x, true, "set boolean value");
121 }
122
123 // Volatile
124 {
125 UNSAFE.putBooleanVolatile(base, offset, false);
126 boolean x = UNSAFE.getBooleanVolatile(base, offset);
127 assertEquals(x, false, "putVolatile boolean value");
128 }
129
130
131
132
133
134
135 }
136
137 }
138
139
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23
24 /*
25 * @test
26 * @bug 8143628
27 * @summary Test unsafe access for boolean
28 * @modules jdk.unsupported/sun.misc
29 * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestBoolean
30 * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestBoolean
31 * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestBoolean
32 * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestBoolean
33 */
34
35 import org.testng.annotations.Test;
36
37 import java.lang.reflect.Field;
38
39 import static org.testng.Assert.*;
40
41 public class SunMiscUnsafeAccessTestBoolean {
42 static final int ITERS = Integer.getInteger("iters", 1);
43 static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10);
44
45 static final sun.misc.Unsafe UNSAFE;
46
47 static final long V_OFFSET;
48
49 static final Object STATIC_V_BASE;
50
51 static final long STATIC_V_OFFSET;
52
53 static int ARRAY_OFFSET;
54
55 static int ARRAY_SHIFT;
56
57 static {
58 try {
59 Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
60 f.setAccessible(true);
61 UNSAFE = (sun.misc.Unsafe) f.get(null);
62 } catch (Exception e) {
63 throw new RuntimeException("Unable to get Unsafe instance.", e);
115
116 static void testAccess(Object base, long offset) {
117 // Plain
118 {
119 UNSAFE.putBoolean(base, offset, true);
120 boolean x = UNSAFE.getBoolean(base, offset);
121 assertEquals(x, true, "set boolean value");
122 }
123
124 // Volatile
125 {
126 UNSAFE.putBooleanVolatile(base, offset, false);
127 boolean x = UNSAFE.getBooleanVolatile(base, offset);
128 assertEquals(x, false, "putVolatile boolean value");
129 }
130
131
132
133
134
135 }
136
137 }
138
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