From 5e64358224731d9b167fd155c481166d36b1fddd Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 14 Jan 2016 21:26:14 +0000
Subject: Add initial method runner for C#

---
 .../org/zwobble/couscous/tests/MethodRunner.java   | 24 +++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'src/test/java/org/zwobble/couscous/tests/MethodRunner.java')

diff --git a/src/test/java/org/zwobble/couscous/tests/MethodRunner.java b/src/test/java/org/zwobble/couscous/tests/MethodRunner.java
index 3f69779..1a856ba 100644
--- a/src/test/java/org/zwobble/couscous/tests/MethodRunner.java
+++ b/src/test/java/org/zwobble/couscous/tests/MethodRunner.java
@@ -1,10 +1,13 @@
 package org.zwobble.couscous.tests;
 
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+import org.zwobble.couscous.ast.*;
+import org.zwobble.couscous.values.PrimitiveValue;
+
 import java.util.List;
 
-import org.zwobble.couscous.ast.ClassNode;
-import org.zwobble.couscous.ast.TypeName;
-import org.zwobble.couscous.values.PrimitiveValue;
+import static org.zwobble.couscous.util.ExtraLists.list;
 
 public interface MethodRunner {
     PrimitiveValue runMethod(
@@ -12,4 +15,19 @@ public interface MethodRunner {
         TypeName className,
         String methodName,
         List<PrimitiveValue> arguments);
+
+    default PrimitiveValue evalExpression(List<ClassNode> classes, ExpressionNode expression) {
+        ClassNode programNode = ClassNode.builder("Program")
+            .method(MethodNode.staticMethod("run")
+                .statement(ReturnNode.returns(expression))
+                .build())
+            .build();
+        return runMethod(
+            ImmutableList.copyOf(Iterables.concat(
+                classes,
+                list(programNode))),
+            programNode.getName(),
+            "run",
+            list());
+    }
 }
-- 
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