From fccc76e339651d6451bb8fc7394f21eed96e3318 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 28 Sep 2023 12:07:09 +0100
Subject: Check for namespace name when defining struct

---
 .../typechecker/TypeCheckerStructDefinitionTests.java     | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerStructDefinitionTests.java b/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerStructDefinitionTests.java
index 325f7ea7..818c026f 100644
--- a/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerStructDefinitionTests.java
+++ b/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerStructDefinitionTests.java
@@ -5,12 +5,14 @@ import org.shedlang.compiler.ast.typed.TypedNamespaceStatementNode;
 import org.shedlang.compiler.ast.untyped.Untyped;
 import org.shedlang.compiler.ast.untyped.UntypedNamespaceStatementNode;
 import org.shedlang.compiler.ast.untyped.UntypedStructDefinitionNode;
+import org.shedlang.compiler.typechecker.errors.CannotDefineStructOutsideOfNamespace;
 import org.shedlang.compiler.types.NamespaceName;
 import org.shedlang.compiler.types.Types;
 import org.shedlang.compiler.util.P;
 
 import java.util.Map;
 
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.shedlang.compiler.ast.typed.TypedNodeMatchers.*;
 import static org.zwobble.precisely.AssertThat.assertThat;
 import static org.zwobble.precisely.Matchers.*;
@@ -18,6 +20,19 @@ import static org.zwobble.precisely.Matchers.*;
 public class TypeCheckerStructDefinitionTests {
     private static final NamespaceName NAMESPACE_NAME = NamespaceName.of("Example");
 
+    @Test
+    public void whenOutsideOfNamespaceThenErrorIsThrown() {
+        var untyped = UntypedStructDefinitionNode.builder()
+            .withName("ExampleStruct")
+            .build();
+        var context = TypeCheckerContext.EMPTY;
+
+        assertThrows(
+            CannotDefineStructOutsideOfNamespace.class,
+            () -> TypeChecker.typeCheckNamespaceStatement(untyped).typeCheckAllPhases(context)
+        );
+    }
+
     @Test
     public void canTypeCheckStructDefinitionWithNoFields() {
         var untyped = UntypedStructDefinitionNode.builder()
-- 
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