incubator-kato-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From monte...@apache.org
Subject svn commit: r830273 - /incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java
Date Tue, 27 Oct 2009 18:04:26 GMT
Author: monteith
Date: Tue Oct 27 18:04:26 2009
New Revision: 830273

URL: http://svn.apache.org/viewvc?rev=830273&view=rev
Log:
Add more tests.

Modified:
    incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java

Modified: incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java
URL: http://svn.apache.org/viewvc/incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java?rev=830273&r1=830272&r2=830273&view=diff
==============================================================================
--- incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java
(original)
+++ incubator/kato/trunk/org.apache.kato/kato.cjvmti/src/test/java/org/apache/kato/jvmti/util/CachedRandomAccessFileTest.java
Tue Oct 27 18:04:26 2009
@@ -13,6 +13,7 @@
  ******************************************************************************/
 package org.apache.kato.jvmti.util;
 
+import java.io.EOFException;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -29,7 +30,10 @@
 
 	CachedRandomAccessFile craf;
 	File file;
-	final static int FILE_SIZE = 93;
+	
+	final static int FILE_SIZE = 187; // Should not be a power of two and must be >127 for
tests to work with signed bytes.
+	final static int BIG_FILESIZE = 1049576; // about 4MB
+
 	
 	protected void setUp() throws Exception {
 		super.setUp();
@@ -90,7 +94,7 @@
 		craf.read(bytes);
 		
 		for (int i=0; i < FILE_SIZE-1; i++) {
-			assertEquals("Bytes read don't match.", i, bytes[i]);
+			assertEquals("Bytes read don't match.", i, bytes[i] & 0xff);
 		}
 		
 		craf.close();
@@ -114,7 +118,7 @@
 			assertEquals("First portion of array not zeros.", 0, bytes[i]);
 		}
 		for (int i=0; i < FILE_SIZE-1; i++) {
-			assertEquals("Bytes read don't match.", i, bytes[i+offset]);
+			assertEquals("Bytes read don't match.", i, bytes[i+offset] & 0xff);
 		}
 		for (int i = offset+FILE_SIZE; i < bytes.length; i++) {
 			assertEquals("End portion of array not zeros.", 0, bytes[i]);
@@ -136,7 +140,7 @@
 		craf.read(bytes);
 		
 		for (int i=0; i < FILE_SIZE-1; i++) {
-			assertEquals("Bytes read don't match.", i, bytes[i]);
+			assertEquals("Bytes read don't match.", i, bytes[i] & 0xff);
 		}
 		
 		craf.close();
@@ -160,7 +164,7 @@
 			assertEquals("First portion of array not zeros.", 0, bytes[i]);
 		}
 		for (int i=0; i < FILE_SIZE-1; i++) {
-			assertEquals("Bytes read don't match.", i, bytes[i+offset]);
+			assertEquals("Bytes read don't match.", i, bytes[i+offset] & 0xff);
 		}
 		for (int i = offset+FILE_SIZE; i < bytes.length; i++) {
 			assertEquals("End portion of array not zeros.", 0, bytes[i]);
@@ -574,7 +578,7 @@
 		
 		// Check that the bytes that should have been read are read.
 		for(int i=0; i<offset; i++) {
-			assertEquals("Bytes read did not match",FILE_SIZE-offset+i, array[i]);
+			assertEquals("Bytes read did not match",FILE_SIZE-offset+i, array[i] & 0xff);
 		}
 		
 		// check that the part of the array that could not be read is
@@ -693,6 +697,55 @@
 		craf.close();
 	}
 	
+	/**
+	 * Test a big file that will overflow the cache.
+	 * Previous tests won't cause cache  
+	 * 
+	 * @throws Exception
+	 */
+	public void testBigFileSmallCache() throws Exception {		
+		File bigfile = File.createTempFile("CachedRandomAccessFileTest", "testfile");
+		RandomAccessFile raf = new RandomAccessFile(bigfile,"rw");
+	
+		for(int i=0; i < BIG_FILESIZE; i++) {
+			raf.writeInt(i);
+		}		
+		
+		raf.close();
+	
+		craf = new CachedRandomAccessFile(bigfile, 12,1);
+		
+		for (int i = 0; i < BIG_FILESIZE; i++) {
+			int value = craf.readInt();
+			
+			assertEquals("Int values did not match",i, value);
+		}
+		
+		craf.close();
+		
+		bigfile.delete();
+	}
+	
+	/**
+	 * Test that reading a long will produce an EOFException if it occurs
+	 * at the end of the file.
+	 * 
+	 * @throws Exception
+	 */
+	public void testReadLongEOF() throws Exception {
+		craf = new CachedRandomAccessFile(file, 4, 1);
+	
+		craf.seek(FILE_SIZE-2);
+		
+		try {
+			long value = craf.readLong();
+			fail("Expected EOFException not thrown by readLong. Got 0x"+Long.toHexString(value));
+		} catch (EOFException e) {
+			// Expected
+		}
+		
+		craf.close();
+	}
 	
 	
 	/* 



Mime
View raw message