Fix print HEX dump bug

Author: Artem Labazin

CHANGELOG.md

@@ -12,6 +12,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Add more tests.
 - Add `JavaDoc`.
 
+## [1.16.2](https://github.com/appulse-projects/utils-java/releases/tag/1.16.2) - 2019-04-26
+
+### Changed
+
+- `HexUtil`.`prettyHexDump` bug, which calculate wrong buffer's limit.
+
 ## [1.16.1](https://github.com/appulse-projects/utils-java/releases/tag/1.16.1) - 2019-04-26
 
 ### Added

pom.xml

@@ -24,7 +24,7 @@ limitations under the License.
 
   <groupId>io.appulse</groupId>
   <artifactId>utils-java</artifactId>
-  <version>1.16.1</version>
+  <version>1.16.2</version>
   <packaging>jar</packaging>
 
   <properties>
@@ -66,7 +66,7 @@ limitations under the License.
     <url>https://github.com/appulse-projects/utils-java</url>
     <connection>scm:git:https://github.com/appulse-projects/utils-java.git</connection>
     <developerConnection>scm:git:https://github.com/appulse-projects/utils-java.git</developerConnection>
-    <tag>1.16.1</tag>
+    <tag>1.16.2</tag>
   </scm>
 
   <distributionManagement>

src/main/java/io/appulse/utils/HexUtil.java

@@ -185,7 +185,7 @@ public static String prettyHexDump (@NonNull Bytes buffer, int offset, int lengt
       val asciiDump = new StringBuilder("                ");
 
       val rowStartIndex = row * elementsInRow + offset;
-      val limit = Math.min(buffer.capacity() - rowStartIndex, elementsInRow);
+      val limit = Math.min(buffer.writerIndex() - rowStartIndex, elementsInRow);
       for (int index = 0; index < limit; index++) {
         val value = buffer.getUnsignedByte(rowStartIndex + index);