Adding test cases #399

src/test/java/org/cactoos/func/IoCheckedBiFuncTest.java

@@ -30,11 +30,10 @@
 
 /**
  * Test case for {@link IoCheckedBiFunc}.
- *
  * @author Mehmet Yildirim ([email protected])
  * @version $Id$
- * @since 0.13
  * @checkstyle JavadocMethodCheck (500 lines)
+ * @since 0.13
  */
 public final class IoCheckedBiFuncTest {
 
@@ -54,4 +53,17 @@ public void rethrowsCheckedToUncheckedException() {
         }
     }
 
+    @Test
+    public void throwsException() {
+        try {
+            new IoCheckedBiFunc<>(
+                (fst, scd) -> new Exception("intended")
+            ).apply(1, 2);
+        } catch (final Exception ex) {
+            MatcherAssert.assertThat(
+                ex, Matchers.any(Exception.class)
+            );
+        }
+    }
+
 }