Add support for converting to/from SYSTEMTIME dates

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@381144 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/scratchpad/testcases/org/apache/poi/hslf/util/TestSystemTimeUtils.java b/src/scratchpad/testcases/org/apache/poi/hslf/util/TestSystemTimeUtils.java
new file mode 100644 (file)
index 0000000..0df71c6
--- /dev/null
+++ b/src/scratchpad/testcases/org/apache/poi/hslf/util/TestSystemTimeUtils.java
@@ -0,0 +1,91 @@
+
+/* ====================================================================
+   Copyright 2002-2004   Apache Software Foundation
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+        
+
+
+package org.apache.poi.hslf.util;
+
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests that SystemTimeUtils works properly.
+ *
+ * @author Nick Burch (nick at torchbox dot com)
+ */
+public class TestSystemTimeUtils extends TestCase {
+       // From real files
+       private byte[] data_a = new byte[] { 
+               0xD6-256, 07, 01, 00,
+               02, 00, 0x18, 00, 0x0A, 00, 0x1A, 00, 
+               0x0F, 00, 0xCD-256, 00
+       };
+       private byte[] data_b = new byte[] {
+               00, 00, 0xE1-256, 0x2E, 0x1C, 00, 00, 00,
+               01, 00, 00, 00, 0xD6-256, 0x07, 01, 00, 
+               02, 00, 0x18, 00, 0x0A, 00, 0x19, 00, 03,
+               00, 0xD5-256, 02, 0x0A, 00, 00, 00, 
+               0x0A, 00, 00, 00
+       };
+       
+       private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss.SSS");
+
+       public void testGetDateA() throws Exception {
+               Date date = SystemTimeUtils.getDate(data_a);
+               
+               // Is 2006-01-24 (2nd day of week) 22:26:15.205
+               Date exp = sdf.parse("2006-01-24 22:26:15.205");
+               assertEquals(exp.getTime(), date.getTime());
+               assertEquals(exp, date);
+       }
+
+       public void testGetDateB() throws Exception {
+               Date date = SystemTimeUtils.getDate(data_b, 8+4);
+               
+               // Is 2006-01-24 (2nd day of week) 22:25:03.725
+               Date exp = sdf.parse("2006-01-24 22:25:03.725");
+               assertEquals(exp.getTime(), date.getTime());
+               assertEquals(exp, date);
+       }
+       
+       public void testWriteDateA() throws Exception {
+               byte[] out_a = new byte[data_a.length];
+               Date date = sdf.parse("2006-01-24 22:26:15.205");
+               SystemTimeUtils.storeDate(date, out_a);
+               
+               for(int i=0; i<out_a.length; i++) {
+                       assertEquals(data_a[i], out_a[i]);
+               }
+       }
+       
+       public void testWriteDateB() throws Exception {
+               byte[] out_b = new byte[data_b.length];
+               // Copy over start and end, ignoring the 16 byte date field in the middle
+               System.arraycopy(data_b, 0, out_b, 0, 12);
+               System.arraycopy(data_b, 12+16, out_b, 12+16, data_b.length-12-16);
+               
+               Date date = sdf.parse("2006-01-24 22:25:03.725");
+               SystemTimeUtils.storeDate(date, out_b, 12);
+               
+               for(int i=0; i<out_b.length; i++) {
+                       assertEquals(data_b[i], out_b[i]);
+               }
+       }
+}