From 3c42c0a7c1196cc290dbcdc55dcb84379ad523e4 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 3 Apr 2016 13:38:53 +0100
Subject: C# backend: Implement for-each loops

---
 .../java/org/zwobble/couscous/tests/CompilerTests.java   | 12 ++++++++++++
 .../zwobble/couscous/tests/JavaToInterpreterTests.java   |  7 +++++++
 .../org/zwobble/couscous/tests/JavaToPythonTests.java    |  7 +++++++
 .../couscous/tests/frontends/java/NodeMatchers.java      |  4 ++++
 .../resources/java/for-each/com/example/ForEach.java     | 16 ++++++++++++++++
 5 files changed, 46 insertions(+)
 create mode 100644 src/test/resources/java/for-each/com/example/ForEach.java

(limited to 'src/test')

diff --git a/src/test/java/org/zwobble/couscous/tests/CompilerTests.java b/src/test/java/org/zwobble/couscous/tests/CompilerTests.java
index 0099d26..7a60821 100644
--- a/src/test/java/org/zwobble/couscous/tests/CompilerTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/CompilerTests.java
@@ -84,6 +84,18 @@ public abstract class CompilerTests {
                 Types.INT));
     }
 
+    @Test
+    public void forEach() throws Exception {
+        assertEquals(
+            value("abc"),
+            execTestProgram(
+                "for-each",
+                ScalarType.of("com.example.ForEach"),
+                "value",
+                list(),
+                Types.STRING));
+    }
+
     @Test
     public void staticNestedClasses() throws Exception {
         assertEquals(
diff --git a/src/test/java/org/zwobble/couscous/tests/JavaToInterpreterTests.java b/src/test/java/org/zwobble/couscous/tests/JavaToInterpreterTests.java
index 2c8a1e6..209aaa8 100644
--- a/src/test/java/org/zwobble/couscous/tests/JavaToInterpreterTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/JavaToInterpreterTests.java
@@ -1,6 +1,8 @@
 package org.zwobble.couscous.tests;
 
 import com.google.common.collect.ImmutableList;
+import org.junit.Ignore;
+import org.junit.Test;
 import org.zwobble.couscous.ast.TypeNode;
 import org.zwobble.couscous.frontends.java.JavaFrontend;
 import org.zwobble.couscous.interpreter.Interpreter;
@@ -20,6 +22,11 @@ import static com.google.common.collect.Iterables.transform;
 import static org.zwobble.couscous.util.ExtraLists.list;
 
 public class JavaToInterpreterTests extends CompilerTests {
+    @Test
+    @Ignore("WIP")
+    public void forEach() throws Exception {
+    }
+
     @Override
     protected PrimitiveValue execProgram(
         Path directory,
diff --git a/src/test/java/org/zwobble/couscous/tests/JavaToPythonTests.java b/src/test/java/org/zwobble/couscous/tests/JavaToPythonTests.java
index f482d11..ba2e8b4 100644
--- a/src/test/java/org/zwobble/couscous/tests/JavaToPythonTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/JavaToPythonTests.java
@@ -1,5 +1,7 @@
 package org.zwobble.couscous.tests;
 
+import org.junit.Ignore;
+import org.junit.Test;
 import org.zwobble.couscous.CouscousCompiler;
 import org.zwobble.couscous.types.ScalarType;
 import org.zwobble.couscous.backends.python.PythonBackend;
@@ -16,6 +18,11 @@ import static org.zwobble.couscous.tests.util.ExtraFiles.deleteRecursively;
 import static org.zwobble.couscous.util.ExtraLists.list;
 
 public class JavaToPythonTests extends CompilerTests {
+    @Test
+    @Ignore("WIP")
+    public void forEach() throws Exception {
+    }
+
     protected PrimitiveValue execProgram(
             Path directory,
             ScalarType type,
diff --git a/src/test/java/org/zwobble/couscous/tests/frontends/java/NodeMatchers.java b/src/test/java/org/zwobble/couscous/tests/frontends/java/NodeMatchers.java
index 739d664..a1b60e9 100644
--- a/src/test/java/org/zwobble/couscous/tests/frontends/java/NodeMatchers.java
+++ b/src/test/java/org/zwobble/couscous/tests/frontends/java/NodeMatchers.java
@@ -10,6 +10,10 @@ import static org.zwobble.couscous.tests.util.ExtraMatchers.hasFeature;
 import static org.zwobble.couscous.tests.util.ExtraMatchers.isInstance;
 
 public class NodeMatchers {
+    public static Matcher<LocalVariableDeclarationNode> declarationHasValue(Matcher<ExpressionNode> matcher) {
+        return hasFeature("initial value", node -> node.getInitialValue(), matcher);
+    }
+
     @SafeVarargs
     public static Matcher<ExpressionNode> isFieldAccess(Matcher<? super FieldAccessNode>... matchers) {
         return isInstance(FieldAccessNode.class, allOf(matchers));
diff --git a/src/test/resources/java/for-each/com/example/ForEach.java b/src/test/resources/java/for-each/com/example/ForEach.java
new file mode 100644
index 0000000..807927d
--- /dev/null
+++ b/src/test/resources/java/for-each/com/example/ForEach.java
@@ -0,0 +1,16 @@
+package com.example;
+
+import static java.util.Arrays.asList;
+
+public class ForEach {
+    public static String value() {
+        Iterable<String> values = asList("a", "b", "c");
+        String result = "";
+        
+        for (String value : values) {
+            result += value;
+        }
+        
+        return result;
+    }
+}
-- 
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