From 0e51a1497b98bd190d304acc4c1e1e1f56bf03c7 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Tue, 14 Jul 2026 19:47:53 +0100
Subject: Add attributes to Rust enums

---
 .../compiler/output/lang/rust/RustWriterTests.java    | 19 +++++++++++++++++++
 .../output/lang/rust/ast/RustEnumMatcher.java         |  6 ++++++
 2 files changed, 25 insertions(+)

(limited to 'src/test/java/org')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
index 62b361a..776d51d 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
@@ -175,6 +175,25 @@ public class RustWriterTests {
             }"""));
     }
 
+    @Test
+    public void enumWithAttributes() throws IOException {
+        var rust = RustEnum.arbitrary()
+            .withName(new RustIdentifier("Shape"))
+            .withAttributes(List.of(
+                new RustOuterAttribute(RustTypePath.of("a", "b", "C"), Optional.empty()),
+                new RustOuterAttribute(RustTypePath.of("derive"), Optional.of("(Debug)"))
+            ))
+            .build();
+
+        var string = write(writer -> writer.writeItem(rust));
+
+        assertThat(string, equalTo("""
+            #[a::b::C]
+            #[derive(Debug)]
+            pub enum Shape {
+            }"""));
+    }
+
     @Test
     public void enumWithFieldlessVariants() throws IOException {
         var rust = RustEnum.arbitrary()
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustEnumMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustEnumMatcher.java
index 547bdf7..9d1a8cd 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustEnumMatcher.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustEnumMatcher.java
@@ -28,6 +28,12 @@ public class RustEnumMatcher implements org.zwobble.precisely.Matcher<java.lang.
         return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnum.class, this.submatchers);
     }
 
+    public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnumMatcher withAttributes(org.zwobble.precisely.Matcher<? super java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustOuterAttribute>> attributes) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnum>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("attributes", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnum::attributes, attributes));
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnumMatcher(submatchers);
+    }
+
     public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnumMatcher withName(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier> name) {
         var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnum>>(this.submatchers);
         submatchers.add(org.zwobble.precisely.Matchers.has("name", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustEnum::name, name));
-- 
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