1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/java/org/zwobble/couscous/tests/BackendEvalTests.java b/src/test/java/org/zwobble/couscous/tests/BackendEvalTests.java
index 89a06af..63ac1a9 100644
--- a/src/test/java/org/zwobble/couscous/tests/BackendEvalTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/BackendEvalTests.java
@@ -22,6 +22,7 @@ import static org.zwobble.couscous.ast.FieldAccessNode.fieldAccess;
 import static org.zwobble.couscous.ast.FormalArgumentNode.formalArg;
 import static org.zwobble.couscous.ast.LiteralNode.literal;
 import static org.zwobble.couscous.ast.MethodCallNode.methodCall;
+import static org.zwobble.couscous.ast.MethodCallNode.not;
 import static org.zwobble.couscous.ast.ReturnNode.returns;
 import static org.zwobble.couscous.ast.StaticMethodCallNode.staticMethodCall;
 import static org.zwobble.couscous.ast.TernaryConditionalNode.ternaryConditional;
@@ -40,6 +41,16 @@ public abstract class BackendEvalTests {
     }
     
     @Test
+    public void canEvaluateOperationsOnBooleans() {
+        assertEquals(
+            value(true),
+            evalExpression(not(literal(false))));
+        assertEquals(
+            value(false),
+            evalExpression(not(literal(true))));
+    }
+    
+    @Test
     public void canEvaluateOperationsOnIntegers() {
         assertEquals(
             value(3),