X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=support%2Fgeneral%2Fsrc%2Ftest%2Fjava%2Forg%2Fwamblee%2Ftest%2FAssertionUtils.java;h=0a3e41719a8121ec52f844d63ebb7c33385b30e9;hb=e4c24db4532ff3473bb40dda0af6c200a317ac50;hp=8d179db7ad1d488a9d53361c414b3adea6d1e5f8;hpb=dc05aae40ab88d4224d37f53c35d516107a3b031;p=utils

diff --git a/support/general/src/test/java/org/wamblee/test/AssertionUtils.java b/support/general/src/test/java/org/wamblee/test/AssertionUtils.java
index 8d179db7..0a3e4171 100644
--- a/support/general/src/test/java/org/wamblee/test/AssertionUtils.java
+++ b/support/general/src/test/java/org/wamblee/test/AssertionUtils.java
@@ -16,6 +16,7 @@
 package org.wamblee.test;
 
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -35,7 +36,7 @@ public final class AssertionUtils {
     private AssertionUtils() {
         // Empty
     }
-
+    
     /**
      * Asserts that two object arrays are equal.
      * 
@@ -117,4 +118,27 @@ public final class AssertionUtils {
                     aExpectedMap.get(key), aActual.get(key));
         }
     }
+   
+    public static interface ErroneousCode { 
+    	void run() throws Exception; 
+    }
+    
+    /** 
+     * Asserts that an exception occurs.
+     * @param aRunnable Test cases should create a subclass of this which contains the 
+     * code that should throw an exception.   
+     * @param aType Type of exception that is expected.   
+     */
+    public static void assertException(ErroneousCode aObject, Class aType) { 
+    	try { 
+    		aObject.run();
+    	} catch (Throwable t) { 
+    		if ( aType.isInstance(t)) { 
+    			return; // ok 
+    		}
+    		else { 
+    			throw new RuntimeException(t);
+    		}
+    	}
+    }
 }