From b070f4069f8f8b7a140ca68308d81479b4b234ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Westk=C3=A4mper?= <timo.westkamper@mysema.com>
Date: Tue, 3 Jul 2012 23:02:31 +0300
Subject: [PATCH] added tests

---
 .../java/com/mysema/query/types/expr/CaseForEqBuilder.java | 5 +++++
 .../java/com/mysema/query/types/expr/CoalesceTest.java     | 1 +
 .../com/mysema/query/types/expr/SimpleExpressionTest.java  | 7 +++++++
 3 files changed, 13 insertions(+)

diff --git a/querydsl-core/src/main/java/com/mysema/query/types/expr/CaseForEqBuilder.java b/querydsl-core/src/main/java/com/mysema/query/types/expr/CaseForEqBuilder.java
index f7d05e2c3..35666537c 100644
--- a/querydsl-core/src/main/java/com/mysema/query/types/expr/CaseForEqBuilder.java
+++ b/querydsl-core/src/main/java/com/mysema/query/types/expr/CaseForEqBuilder.java
@@ -20,6 +20,7 @@ import javax.annotation.Nullable;
 
 import com.mysema.query.types.ConstantImpl;
 import com.mysema.query.types.Expression;
+import com.mysema.query.types.NullExpression;
 import com.mysema.query.types.Operator;
 import com.mysema.query.types.Ops;
 
@@ -91,6 +92,10 @@ public final class CaseForEqBuilder<D> {
     public <T> Cases<T,Expression<T>> then(T then){
         return then(new ConstantImpl<T>(then));
     }
+    
+    public <T> Cases<T,Expression<T>> thenNull() {
+        return then((Expression<T>)NullExpression.DEFAULT);
+    }
 
     public <T extends Number & Comparable<?>> Cases<T,NumberExpression<T>> then(T then){
         return thenNumber(new ConstantImpl<T>(then));
diff --git a/querydsl-core/src/test/java/com/mysema/query/types/expr/CoalesceTest.java b/querydsl-core/src/test/java/com/mysema/query/types/expr/CoalesceTest.java
index 360a85615..5d1ae8ce8 100644
--- a/querydsl-core/src/test/java/com/mysema/query/types/expr/CoalesceTest.java
+++ b/querydsl-core/src/test/java/com/mysema/query/types/expr/CoalesceTest.java
@@ -86,4 +86,5 @@ public class CoalesceTest {
     public void Desc() {
         assertEquals("coalesce(firstname, xxx) DESC", firstname.coalesce("xxx").desc().toString());
     }
+    
 }
diff --git a/querydsl-core/src/test/java/com/mysema/query/types/expr/SimpleExpressionTest.java b/querydsl-core/src/test/java/com/mysema/query/types/expr/SimpleExpressionTest.java
index c807e3526..26eff98dd 100644
--- a/querydsl-core/src/test/java/com/mysema/query/types/expr/SimpleExpressionTest.java
+++ b/querydsl-core/src/test/java/com/mysema/query/types/expr/SimpleExpressionTest.java
@@ -54,6 +54,13 @@ public class SimpleExpressionTest {
         assertEquals("str as alias", str.as("alias").toString());
         assertEquals("str as alias", str.as(new StringPath("alias")).toString());
     }
+    
+    @Test
+    public void Case() {
+        SimpleExpression<String> str = new StringPath("str");
+        // nullif(str, 'xxx')
+        str.when("xxx").thenNull().otherwise(str);
+    }
 
     @Test
     public void Subclasses_Override_As() throws SecurityException, NoSuchMethodException{