Add test specifically for writing empty Rust function

1 files changed, 13 insertions, 0 deletions

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 9d1565c..1de04da 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
@@ -128,6 +128,19 @@ public class RustWriterTests {
     }
 
     @Test
+    public void emptyFunction() throws IOException {
+        var rust = RustFunction.arbitrary()
+            .withName(new RustIdentifier("width"))
+            .build();
+
+        var string = write(writer -> writer.writeAssociatedItem(rust));
+
+        assertThat(string, equalTo("""
+            fn width() {
+            }"""));
+    }
+
+    @Test
     public void emptyInherentImpl() throws IOException {
         var rust = RustInherentImpl.arbitrary().withType(RustTypePath.of("Square")).build();