From 7663b33d174cbdef3dd88364b1854aadee74f8aa Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 15 Jan 2016 17:48:10 +0000
Subject: Implement literal evaluation in C#

---
 .../backends/csharp/CsharpCompilerEvalTests.java   |  5 ----
 .../tests/backends/csharp/CsharpMethodRunner.java  | 28 +++++++++++++++++++---
 2 files changed, 25 insertions(+), 8 deletions(-)

(limited to 'src/test/java')

diff --git a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpCompilerEvalTests.java b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpCompilerEvalTests.java
index 7366942..9c51117 100644
--- a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpCompilerEvalTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpCompilerEvalTests.java
@@ -10,11 +10,6 @@ import org.zwobble.couscous.values.PrimitiveValue;
 import java.util.List;
 
 public class CsharpCompilerEvalTests extends BackendEvalTests {
-    @Test
-    @Ignore
-    public void canEvaluateLiterals() {
-    }
-
     @Test
     @Ignore
     public void equalityOnReferenceTypesChecksForIdentity() {
diff --git a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpMethodRunner.java b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpMethodRunner.java
index aee851a..0adb5fc 100644
--- a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpMethodRunner.java
+++ b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpMethodRunner.java
@@ -2,6 +2,7 @@ package org.zwobble.couscous.tests.backends.csharp;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterators;
+import org.hamcrest.Matchers;
 import org.zwobble.couscous.Backend;
 import org.zwobble.couscous.ast.ClassNode;
 import org.zwobble.couscous.ast.MethodSignature;
@@ -12,16 +13,18 @@ import org.zwobble.couscous.tests.MethodRunner;
 import org.zwobble.couscous.tests.backends.Processes;
 import org.zwobble.couscous.util.ExtraLists;
 import org.zwobble.couscous.values.PrimitiveValue;
-import org.zwobble.couscous.values.PrimitiveValues;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
 
+import static java.lang.Integer.parseInt;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.zwobble.couscous.tests.util.ExtraFiles.deleteRecursively;
 import static org.zwobble.couscous.util.ExtraLists.eagerMap;
 import static org.zwobble.couscous.util.ExtraLists.list;
+import static org.zwobble.couscous.values.PrimitiveValues.value;
 
 public class CsharpMethodRunner implements MethodRunner {
     private static final String NAMESPACE = "Couscous";
@@ -56,7 +59,9 @@ public class CsharpMethodRunner implements MethodRunner {
         String program =
             "public class MethodRunnerExample { " +
             "   public static void Main() { " +
-            "       System.Console.WriteLine(" + NAMESPACE + "." + className.getQualifiedName() + "." + csharpMethodName + "());" +
+            "       var value = " + NAMESPACE + "." + className.getQualifiedName() + "." + csharpMethodName + "();" +
+            "       System.Console.WriteLine(value.GetType());" +
+            "       System.Console.WriteLine(value);" +
             "   }" +
             "}";
         Files.write(directoryPath.resolve("MethodRunnerExample.cs"), list(program));
@@ -78,7 +83,24 @@ public class CsharpMethodRunner implements MethodRunner {
                 path -> path.toString()));
     }
 
+    private static final String NAMESPACE_PREFIX = "Couscous.";
+
     private static PrimitiveValue readPrimitive(String output) {
-        return PrimitiveValues.value(output);
+        String[] lines = output.split("[\\r\\n]+");
+        String type = lines[0];
+        String value = lines[1];
+        switch (type) {
+            case "System.Int32":
+                return value(parseInt(value));
+            case "System.String":
+                return value(value);
+            case "System.Boolean":
+                return value(value.equals("True"));
+            case "System.MonoType":
+                assertThat(value, Matchers.startsWith(NAMESPACE_PREFIX));
+                return value(TypeName.of(value.substring(NAMESPACE_PREFIX.length())));
+            default:
+                throw new RuntimeException("Unhandled type: " + type);
+        }
     }
 }
-- 
cgit v1.2.3