changeset 17163:c162df937880

8180885: Create test to detect if TimeZone.setDefault affects File.setLastModifiedTime Summary: Check whether File.lastModified is affected by not setting the default time zone or by setting to any of the available time zones. Reviewed-by: dfuchs, rriggs
author bpb
date Wed, 24 May 2017 10:52:24 -0700
parents d0d971960744
children e3446d4c7fd2
files test/java/io/File/TimeZoneLastModified.java
diffstat 1 files changed, 82 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/io/File/TimeZoneLastModified.java	Wed May 24 10:52:24 2017 -0700
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 6212869
+ * @summary Determine if lastModified() works after TimeZone.setDefault()
+ * @run main/othervm TimeZoneLastModified
+ */
+
+import java.io.File;
+import java.util.Date;
+import java.util.TimeZone;
+import java.text.SimpleDateFormat;
+
+public class TimeZoneLastModified {
+    // Tue, 04 Jun 2002 13:56:50.002 GMT
+    private static final long TIME = 1023199010002L;
+
+    public static void main(String[] args) throws Throwable {
+        int failures = test(null);
+        for (String timeZoneID : TimeZone.getAvailableIDs()) {
+            failures += test(timeZoneID);
+        }
+        if (failures != 0) {
+            throw new RuntimeException("TimeZoneLastModified failed");
+        }
+        System.out.println("TimeZoneLastModified passed");
+    }
+
+    private static int test(String timeZoneID) throws Throwable {
+        File f = new File("test-timezone.txt");
+        int failures = 0;
+        try {
+            f.createNewFile();
+
+            if (timeZoneID != null) {
+                TimeZone.setDefault(TimeZone.getTimeZone(timeZoneID));
+            }
+
+            boolean succeeded = f.setLastModified(TIME);
+            if (!succeeded) {
+                System.err.format
+                    ("Setting time to %d failed for time zone %s%n",
+                    TIME, timeZoneID);
+                failures++;
+            }
+
+            long time = f.lastModified();
+            if (Math.abs(time - TIME) > 999) { // account for second precision
+                System.err.format
+                    ("Wrong modification time (ms): expected %d, obtained %d%n",
+                    TIME, time);
+                failures++;
+            }
+        } finally {
+            f.delete();
+        }
+
+        return failures;
+    }
+}