Add serialisation of throw nodes in C#

2 files changed, 13 insertions, 1 deletions

diff --git a/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java b/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
index d238a5c..64307f4 100644
--- a/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
+++ b/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
@@ -311,7 +311,12 @@ public class CsharpSerializer implements NodeVisitor {
 
     @Override
     public void visit(ThrowNode throwNode) {
-        throw new UnsupportedOperationException();
+        writer.writeStatement(() -> {
+            writer.writeKeyword("throw");
+            writer.writeSpace();
+            write(throwNode.getValue());
+            writer.writeSymbol(";");
+        });
     }
 
     @Override
diff --git a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
index 6b221ff..1286415 100644
--- a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
@@ -29,6 +29,7 @@ import static org.zwobble.couscous.ast.Operations.not;
 import static org.zwobble.couscous.ast.ReturnNode.returns;
 import static org.zwobble.couscous.ast.TernaryConditionalNode.ternaryConditional;
 import static org.zwobble.couscous.ast.ThisReferenceNode.thisReference;
+import static org.zwobble.couscous.ast.ThrowNode.throwNode;
 import static org.zwobble.couscous.ast.VariableDeclaration.var;
 import static org.zwobble.couscous.ast.VariableReferenceNode.reference;
 import static org.zwobble.couscous.ast.WhileNode.whileLoop;
@@ -229,6 +230,12 @@ public class CsharpSerializerTests {
     }
 
     @Test
+    public void throwStatementIncludesValue() {
+        String output = serialize(throwNode(reference(var(TestIds.ANY_ID, "x", ScalarType.of("X")))));
+        assertEquals("throw x;\n", output);
+    }
+
+    @Test
     public void expressionStatementWritesExpression() {
         String output = serialize(expressionStatement(literal(true)));
         assertEquals("true;\n", output);