Add test for writing struct data values in patio-to-cranelift

1 files changed, 17 insertions, 0 deletions

diff --git a/patio-to-cranelift/src/codegen/values.rs b/patio-to-cranelift/src/codegen/values.rs
index 74eaa669..11983d3c 100644
--- a/patio-to-cranelift/src/codegen/values.rs
+++ b/patio-to-cranelift/src/codegen/values.rs
@@ -153,6 +153,23 @@ mod data_value_to_bytes_test {
 
         assert_eq!(bytes.as_ref(), &[0x78, 0x56, 0x34, 0x12]);
     }
+
+    #[test]
+    fn struct_is_written_as_elements() {
+        let data_value = PatioDataValue::Struct {
+            elements: vec![
+                PatioDataValue::Int32(PatioIntValue::Literal { value: 0x12345678 }),
+                PatioDataValue::Int32(PatioIntValue::Literal { value: 0x23456789 }),
+            ],
+        };
+
+        let bytes = data_value_to_bytes(data_value);
+
+        assert_eq!(
+            bytes.as_ref(),
+            &[0x78, 0x56, 0x34, 0x12, 0x89, 0x67, 0x45, 0x23]
+        );
+    }
 }
 
 #[cfg(test)]