Issue 334: Java functions that return CLOB or BLOB objects could not be used as tables.

h2/src/test/org/h2/test/TestBase.java

@@ -839,6 +839,16 @@ public abstract class TestBase {
         assertTrue("Expected: true got: false", condition);
     }
 
+    /**
+     * Check that the passed object is null.
+     *
+     * @param obj the object
+     * @throws AssertionError if the condition is false
+     */
+    public void assertNull(Object obj) {
+        assertTrue("Expected: null got: " + obj, obj == null);
+    }
+
     /**
      * Check that the passed boolean is true.
      *