Improve code coverage.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1021989 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/io/EndianUtilsTest.java

@@ -18,6 +18,7 @@
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
 import java.io.IOException;
 
 import junit.framework.TestCase;
@@ -31,6 +32,21 @@ public EndianUtilsTest(String name) {
         super(name);
     }
 
+    public void testCtor() throws IOException {
+        new EndianUtils();
+        // Constructor does not blow up.
+    }
+
+    public void testEOFException() throws IOException {
+        ByteArrayInputStream input = new ByteArrayInputStream(new byte[] {});
+        try {
+            EndianUtils.readSwappedDouble(input);
+            fail("Expected EOFException");
+        } catch (EOFException e) {
+            // expected
+        }
+    }
+
     public void testSwapShort() {
         assertEquals( (short) 0, EndianUtils.swapShort( (short) 0 ) );
         assertEquals( (short) 0x0201, EndianUtils.swapShort( (short) 0x0102 ) );