From c6fd2a9cac5a5b164c32a04d84543d3d1bd5d51c Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 4 Oct 2015 17:04:22 +0100
Subject: Add local variable declarations

---
 .../couscous/tests/interpreter/InterpreterTests.java        | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/test/java/org')

diff --git a/src/test/java/org/zwobble/couscous/tests/interpreter/InterpreterTests.java b/src/test/java/org/zwobble/couscous/tests/interpreter/InterpreterTests.java
index 87659b8..4078b3f 100644
--- a/src/test/java/org/zwobble/couscous/tests/interpreter/InterpreterTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/interpreter/InterpreterTests.java
@@ -19,6 +19,7 @@ import com.google.common.collect.ImmutableMap;
 
 import static java.util.Arrays.asList;
 import static org.junit.Assert.assertEquals;
+import static org.zwobble.couscous.ast.LocalVariableDeclarationNode.localVariableDeclaration;
 import static org.zwobble.couscous.ast.MethodNode.staticMethod;
 import static org.zwobble.couscous.ast.VariableReferenceNode.reference;
 import static org.zwobble.couscous.tests.util.ExtraAsserts.assertThrows;
@@ -76,6 +77,18 @@ public class InterpreterTests {
         
         assertEquals(new StringValue("[updated value]"), result);
     }
+    
+    @Test
+    public void canDeclareVariable() {
+        val localVariableDeclaration = localVariableDeclaration(
+            42, StringValue.REF, "x", LiteralNode.literal("[initial value]"));
+        val method = staticMethod("hello")
+            .statement(localVariableDeclaration)
+            .statement(new ReturnNode(reference(localVariableDeclaration)));
+        val result = runMethod(method);
+        
+        assertEquals(new StringValue("[initial value]"), result);
+    }
 
     private InterpreterValue runMethod(MethodNode.MethodNodeBuilder methodBuilder, InterpreterValue... arguments) {
         val method = methodBuilder.build();
-- 
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