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test/jdk/java/io/FileOutputStream/UnreferencedFOSClosesFd.java
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rev 50699 : 8202292: java/io/FileOutputStream/UnreferencedFOSClosesFd.java fails with "raw fd count wrong"
*** 23,32 ****
--- 23,34 ----
/**
*
* @test
* @modules java.base/java.io:open
+ * @library /test/lib
+ * @build jdk.test.lib.util.FileUtils UnreferencedFOSClosesFd
* @bug 6524062
* @summary Test to ensure that FOS.finalize() invokes the close() method as per
* the specification.
* @run main/othervm UnreferencedFOSClosesFd
*/
*** 39,53 ****
--- 41,59 ----
import java.lang.management.OperatingSystemMXBean;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
+ import java.nio.file.Path;
+ import java.util.ArrayDeque;
import java.util.HashSet;
import java.util.concurrent.atomic.AtomicInteger;
import com.sun.management.UnixOperatingSystemMXBean;
+ import jdk.test.lib.util.FileUtils;
+
public class UnreferencedFOSClosesFd {
enum CleanupType {
CLOSE, // Cleanup is handled via calling close
CLEANER} // Cleanup is handled via Cleaner
*** 131,142 ****
inFile.createNewFile();
inFile.deleteOnExit();
String name = inFile.getPath();
long fdCount0 = getFdCount();
- System.out.printf("initial count of open file descriptors: %d%n", fdCount0);
int failCount = 0;
failCount += test(new FileOutputStream(name), CleanupType.CLEANER);
failCount += test(new StreamOverrides(name), CleanupType.CLEANER);
--- 137,148 ----
inFile.createNewFile();
inFile.deleteOnExit();
String name = inFile.getPath();
+ FileUtils.listFileDescriptors(System.out);
long fdCount0 = getFdCount();
int failCount = 0;
failCount += test(new FileOutputStream(name), CleanupType.CLEANER);
failCount += test(new StreamOverrides(name), CleanupType.CLEANER);
*** 151,164 ****
throw new AssertionError("Failed test count: " + failCount);
}
// Check the final count of open file descriptors
long fdCount = getFdCount();
- System.out.printf("final count of open file descriptors: %d%n", fdCount);
if (fdCount != fdCount0) {
! throw new AssertionError("raw fd count wrong: expected: " + fdCount0
! + ", actual: " + fdCount);
}
}
// Get the count of open file descriptors, or -1 if not available
private static long getFdCount() {
--- 157,170 ----
throw new AssertionError("Failed test count: " + failCount);
}
// Check the final count of open file descriptors
long fdCount = getFdCount();
if (fdCount != fdCount0) {
! System.out.printf("initial count of open file descriptors: %d%n", fdCount0);
! System.out.printf("final count of open file descriptors: %d%n", fdCount);
! FileUtils.listFileDescriptors(System.out);
}
}
// Get the count of open file descriptors, or -1 if not available
private static long getFdCount() {
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