blob: ed5c370e9c196d2a2882819033374a0471f7e030 [file] [log] [blame]
/*
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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/* @test
* @bug 8163518
* @summary Integer overflow when reading in large buffer
* @ignore This test has huge memory requirements
* @requires (sun.arch.data.model == "64" & os.maxMemory > 4g)
* @run main/othervm -Xmx4g OverflowInRead
*/
import java.io.StringBufferInputStream;
public class OverflowInRead {
public static void main(String[] args) throws Exception {
String s = "_123456789_123456789_123456789_123456789"; // s.length() > 33
try (StringBufferInputStream sbis = new StringBufferInputStream(s)) {
int len1 = 33;
byte[] buf1 = new byte[len1];
if (sbis.read(buf1, 0, len1) != len1)
throw new Exception("Expected to read " + len1 + " bytes");
int len2 = Integer.MAX_VALUE - 32;
byte[] buf2 = new byte[len2];
int expLen2 = s.length() - len1;
if (sbis.read(buf2, 0, len2) != expLen2)
throw new Exception("Expected to read " + expLen2 + " bytes");
}
}
}