test(toml): Ensure tables are used for validation

Author: epage

crates/toml/tests/decoder.rs

@@ -11,9 +11,10 @@ impl toml_test_harness::Decoder for Decoder {
     fn decode(&self, data: &[u8]) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
         let data = std::str::from_utf8(data).map_err(toml_test_harness::Error::new)?;
         let document = data
-            .parse::<toml::Value>()
+            .parse::<toml::Table>()
             .map_err(toml_test_harness::Error::new)?;
-        value_to_decoded(&document)
+        let value = toml::Value::Table(document);
+        value_to_decoded(&value)
     }
 }
 

crates/toml/tests/encoder.rs

@@ -10,7 +10,10 @@ impl toml_test_harness::Encoder for Encoder {
 
     fn encode(&self, data: toml_test_harness::Decoded) -> Result<String, toml_test_harness::Error> {
         let value = from_decoded(&data)?;
-        let s = toml::to_string(&value).map_err(toml_test_harness::Error::new)?;
+        let toml::Value::Table(document) = value else {
+            return Err(toml_test_harness::Error::new("no root table"));
+        };
+        let s = toml::to_string(&document).map_err(toml_test_harness::Error::new)?;
         Ok(s)
     }
 }