diff --git a/spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java b/spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java
index dfd5ccd1d..b54de0eec 100644
--- a/spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java
+++ b/spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java
@@ -143,6 +143,10 @@ public class CommandLineJobRunnerTests {
 
 			int index = 0;
 
+            public int available() {
+                return input.length - index;
+            }
+
 			public int read() {
 				return index<input.length-1 ? (int) input[index++] : -1;
 			}
@@ -160,6 +164,10 @@ public class CommandLineJobRunnerTests {
 
 			int index = 0;
 
+            public int available() {
+                return input.length - index;
+            }
+
 			public int read() {
 				return index<input.length-1 ? (int) input[index++] : -1;
 			}