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test/jdk/java/nio/file/attribute/BasicFileAttributeView/SetTimesNanos.java
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*** 20,32 ****
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
! * @bug 8181493
* @summary Verify that nanosecond precision is maintained for file timestamps
! * @requires (os.family == "linux") | (os.family == "mac") | (os.family == "solaris")
* @modules java.base/sun.nio.fs:+open
*/
import java.io.IOException;
import java.lang.reflect.Method;
--- 20,32 ----
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
! * @bug 8181493 8231174
* @summary Verify that nanosecond precision is maintained for file timestamps
! * @requires (os.family == "linux") | (os.family == "mac") | (os.family == "solaris") | (os.family == "windows")
* @modules java.base/sun.nio.fs:+open
*/
import java.io.IOException;
import java.lang.reflect.Method;
*** 38,64 ****
import java.nio.file.attribute.FileTime;
import java.util.Set;
import java.util.concurrent.TimeUnit;
public class SetTimesNanos {
public static void main(String[] args) throws Exception {
// Check whether futimens() system call is supported
! Class unixNativeDispatcherClass = Class.forName("sun.nio.fs.UnixNativeDispatcher");
! Method futimensSupported = unixNativeDispatcherClass.getDeclaredMethod("futimensSupported");
futimensSupported.setAccessible(true);
if (!(boolean)futimensSupported.invoke(null)) {
! System.err.println("futimens() system call not supported; skipping test");
return;
}
Path dirPath = Path.of("test");
Path dir = Files.createDirectory(dirPath);
FileStore store = Files.getFileStore(dir);
System.out.format("FileStore: \"%s\" on %s (%s)%n",
dir, store.name(), store.type());
! Set<String> testedTypes = Set.of("apfs", "ext4", "xfs", "zfs");
if (!testedTypes.contains(store.type())) {
System.err.format("%s not in %s; skipping test", store.type(), testedTypes);
return;
}
--- 38,72 ----
import java.nio.file.attribute.FileTime;
import java.util.Set;
import java.util.concurrent.TimeUnit;
public class SetTimesNanos {
+ private static final boolean IS_WINDOWS =
+ System.getProperty("os.name").startsWith("Windows");
+
public static void main(String[] args) throws Exception {
+ if (!IS_WINDOWS) {
// Check whether futimens() system call is supported
! Class unixNativeDispatcherClass =
! Class.forName("sun.nio.fs.UnixNativeDispatcher");
! Method futimensSupported =
! unixNativeDispatcherClass.getDeclaredMethod("futimensSupported");
futimensSupported.setAccessible(true);
if (!(boolean)futimensSupported.invoke(null)) {
! System.err.println("futimens() not supported; skipping test");
return;
}
+ }
Path dirPath = Path.of("test");
Path dir = Files.createDirectory(dirPath);
FileStore store = Files.getFileStore(dir);
System.out.format("FileStore: \"%s\" on %s (%s)%n",
dir, store.name(), store.type());
! Set<String> testedTypes = IS_WINDOWS ?
! Set.of("NTFS") : Set.of("apfs", "ext4", "xfs", "zfs");
if (!testedTypes.contains(store.type())) {
System.err.format("%s not in %s; skipping test", store.type(), testedTypes);
return;
}
*** 75,84 ****
--- 83,97 ----
FileTime pathTime = FileTime.from(timeNanos, TimeUnit.NANOSECONDS);
BasicFileAttributeView view =
Files.getFileAttributeView(path, BasicFileAttributeView.class);
view.setTimes(pathTime, pathTime, null);
+ // Windows file time resolution is 100ns so truncate
+ if (IS_WINDOWS) {
+ timeNanos = 100L*(timeNanos/100L);
+ }
+
// Read attributes
BasicFileAttributes attrs =
Files.readAttributes(path, BasicFileAttributes.class);
// Check timestamps
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