1 files changed, 30 insertions, 0 deletions
diff --git a/test-suite/tests/spanned.rs b/test-suite/tests/spanned.rs
new file mode 100644
index 0000000..fec9ea8
--- /dev/null
+++ b/test-suite/tests/spanned.rs
@@ -0,0 +1,30 @@
+extern crate serde;
+extern crate toml;
+#[macro_use]
+extern crate serde_derive;
+
+use toml::Spanned;
+use std::collections::HashMap;
+
+#[test]
+fn test_spanned_field() {
+    #[derive(Deserialize)]
+    struct Foo<T> {
+        foo: Spanned<T>,
+    }
+
+    fn good<'de, T>(s: &'de str, expected: &str) where T: serde::Deserialize<'de> {
+        let foo: Foo<T> = toml::from_str(s).unwrap();
+
+        assert_eq!(6, foo.foo.start);
+        assert_eq!(s.len(), foo.foo.end);
+        assert_eq!(expected, &s[foo.foo.start..foo.foo.end]);
+    }
+
+    good::<String>("foo = \"foo\"", "\"foo\"");
+    good::<u32>("foo = 42", "42");
+    good::<HashMap<String, u32>>(
+        "foo = {\"foo\" = 42, \"bar\" = 42}",
+        "{\"foo\" = 42, \"bar\" = 42}"
+    );
+}