svn commit: r1794321 - /jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java

[mduerig]

Author: mduerig
Date: Mon May  8 10:40:17 2017
New Revision: 1794321

URL: http://svn.apache.org/viewvc?rev=1794321&view=rev
Log:
OAK-6175: Add unit test coverage for IOUtils.humanReadableByteCount
Added test
Credits to Matt Ryan for the patch.

Modified:
    
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java

Modified: 
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java?rev=1794321&r1=1794320&r2=1794321&view=diff
==============================================================================
--- 
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java
 (original)
+++ 
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/IOUtilsTest.java
 Mon May  8 10:40:17 2017
@@ -286,6 +286,31 @@ public class IOUtilsTest extends TestCas
         }
     }
 
+    public void testHumanReadableByteCount() {
+        assertEquals("0 B", IOUtils.humanReadableByteCount(0L));
+        assertEquals("1 B", IOUtils.humanReadableByteCount(1L));
+        assertEquals("999 B", IOUtils.humanReadableByteCount(999L));
+        assertEquals("1.0 kB", IOUtils.humanReadableByteCount(1000L));
+        assertEquals("1.0 kB", IOUtils.humanReadableByteCount(1001L));
+        assertEquals("1.1 kB", IOUtils.humanReadableByteCount(1100L));
+        assertEquals("2.0 kB", IOUtils.humanReadableByteCount(2000L));
+        assertEquals("1000.0 kB", IOUtils.humanReadableByteCount(999999L));
+        assertEquals("1.0 MB", IOUtils.humanReadableByteCount(1000000L));
+        assertEquals("1.0 MB", IOUtils.humanReadableByteCount(1010000L));
+        assertEquals("1.1 MB", IOUtils.humanReadableByteCount(1100000L));
+        assertEquals("2.0 MB", IOUtils.humanReadableByteCount(2000000L));
+        assertEquals("2.1 GB", 
IOUtils.humanReadableByteCount(Integer.MAX_VALUE));
+        assertEquals("54.3 GB", IOUtils.humanReadableByteCount(54320000000L));
+        assertEquals("20.6 TB", 
IOUtils.humanReadableByteCount(20560000000000L));
+        assertEquals("377.5 PB", 
IOUtils.humanReadableByteCount(377500000000000000L));
+        assertEquals("1.0 EB", 
IOUtils.humanReadableByteCount(1000000000000000000L));
+        assertEquals("9.2 EB", IOUtils.humanReadableByteCount(Long.MAX_VALUE));
+        assertEquals("0 B", IOUtils.humanReadableByteCount(-0L));
+        assertEquals("0", IOUtils.humanReadableByteCount(-1L));
+        assertEquals("0", IOUtils.humanReadableByteCount(Integer.MIN_VALUE));
+        assertEquals("0", IOUtils.humanReadableByteCount(Long.MIN_VALUE));
+    }
+
     private static void testVarInt(int x, int expectedLen) throws IOException {
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         IOUtils.writeVarInt(out, x);