diff --git a/src/test/java/net/imglib2/img/array/ArrayImgsTest.java b/src/test/java/net/imglib2/img/array/ArrayImgsTest.java
index b87bd00b79..99aeafffbf 100644
--- a/src/test/java/net/imglib2/img/array/ArrayImgsTest.java
+++ b/src/test/java/net/imglib2/img/array/ArrayImgsTest.java
@@ -479,6 +479,10 @@ public static < T extends NativeType< T > & IntegerType< T > > void testRange( f
 		final ArrayCursor< T > r = ref.cursor();
 		for ( int s = start; s < stop; ++s )
 		{
+			if ( !c.hasNext() || !r.hasNext() )
+			{
+				Assert.fail( "Invalid iterators for test range" );
+			}
 			Assert.assertEquals( c.next().getInteger(), s );
 			Assert.assertEquals( r.next().getInteger(), s );
 		}
diff --git a/src/test/java/net/imglib2/img/cell/CopyTest.java b/src/test/java/net/imglib2/img/cell/CopyTest.java
index ff5509c686..63d769f33a 100644
--- a/src/test/java/net/imglib2/img/cell/CopyTest.java
+++ b/src/test/java/net/imglib2/img/cell/CopyTest.java
@@ -36,6 +36,7 @@
 
 import static org.junit.Assert.assertArrayEquals;
 
+import java.util.NoSuchElementException;
 import java.util.Random;
 
 import org.junit.Before;
@@ -130,6 +131,10 @@ public void copyWithIterationBoth( final Img< IntType > srcImg, final Img< IntTy
 		final Cursor< IntType > dst = dstImg.cursor();
 		while ( src.hasNext() )
 		{
+			if ( !dst.hasNext() )
+			{
+				throw new NoSuchElementException(" Cursor dst does not have next element" );
+			}
 			dst.next().set( src.next().get() );
 		}
 	}
diff --git a/src/test/java/net/imglib2/view/RandomAccessibleIntervalCursorTest.java b/src/test/java/net/imglib2/view/RandomAccessibleIntervalCursorTest.java
index d4707cb2d4..3ffaaf6f75 100644
--- a/src/test/java/net/imglib2/view/RandomAccessibleIntervalCursorTest.java
+++ b/src/test/java/net/imglib2/view/RandomAccessibleIntervalCursorTest.java
@@ -37,6 +37,7 @@
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 
+import java.util.NoSuchElementException;
 import java.util.Random;
 
 import org.junit.Before;
@@ -103,7 +104,14 @@ public void setUp()
 	public void copy( final Cursor< IntType > src, final Cursor< IntType > dst )
 	{
 		while ( src.hasNext() )
+		{
+			if ( !dst.hasNext() )
+			{
+				throw new NoSuchElementException( "Cursor dst does not have next element" );
+			}
+			
 			dst.next().set( src.next().get() );
+		}
 	}
 
 	int[] getImgAsInts( final Img< IntType > img )