1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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8  *
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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  * @test
26  * @bug 8224539
27  * @summary Test arraycopy optimizations with bad src/dst array offsets.
28  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+AlwaysIncrementalInline
29  *                   compiler.arraycopy.TestArrayCopyWithBadOffset
30  */
31 
32 package compiler.arraycopy;
33 
34 public class TestArrayCopyWithBadOffset {
35 
getSrc()36     public static byte[] getSrc() {
37         return new byte[5];
38     }
39 
40     // Test bad src offset
test1(byte[] dst)41     public static void test1(byte[] dst) {
42         byte[] src = getSrc();
43         try {
44             System.arraycopy(src, Integer.MAX_VALUE-1, dst, 0, src.length);
45         } catch (Exception e) {
46             // Expected
47         }
48     }
49 
getDst()50     public static byte[] getDst() {
51         return new byte[5];
52     }
53 
54     // Test bad dst offset
test2(byte[] src)55     public static void test2(byte[] src) {
56         byte[] dst = getDst();
57         try {
58             System.arraycopy(src, 0, dst, Integer.MAX_VALUE-1, dst.length);
59         } catch (Exception e) {
60             // Expected
61         }
62     }
63 
main(String[] args)64     public static void main(String[] args) {
65         byte[] array = new byte[5];
66         for (int i = 0; i < 10_000; ++i) {
67             test1(array);
68             test2(array);
69         }
70     }
71 }
72