1 files changed, 34 insertions, 1 deletions
diff --git a/tests/test.rs b/tests/test.rs
index e0af151..75f69e2 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -1,7 +1,8 @@
 #![allow(
     clippy::assertions_on_result_states,
     clippy::items_after_statements,
-    clippy::non_ascii_literal
+    clippy::non_ascii_literal,
+    clippy::octal_escapes
 )]
 
 use proc_macro2::{Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree};
@@ -114,6 +115,10 @@ fn literal_string() {
     assert_eq!(Literal::string("foo").to_string(), "\"foo\"");
     assert_eq!(Literal::string("\"").to_string(), "\"\\\"\"");
     assert_eq!(Literal::string("didn't").to_string(), "\"didn't\"");
+    assert_eq!(
+        Literal::string("a\00b\07c\08d\0e\0").to_string(),
+        "\"a\\x000b\\x007c\\08d\\0e\\0\"",
+    );
 }
 
 #[test]
@@ -147,6 +152,10 @@ fn literal_byte_string() {
         Literal::byte_string(b"\0\t\n\r\"\\2\x10").to_string(),
         "b\"\\0\\t\\n\\r\\\"\\\\2\\x10\"",
     );
+    assert_eq!(
+        Literal::byte_string(b"a\00b\07c\08d\0e\0").to_string(),
+        "b\"a\\x000b\\x007c\\08d\\0e\\0\"",
+    );
 }
 
 #[test]
@@ -265,6 +274,30 @@ fn literal_parse() {
 }
 
 #[test]
+fn literal_span() {
+    let positive = "0.1".parse::<Literal>().unwrap();
+    let negative = "-0.1".parse::<Literal>().unwrap();
+    let subspan = positive.subspan(1..2);
+
+    #[cfg(not(span_locations))]
+    {
+        let _ = negative;
+        assert!(subspan.is_none());
+    }
+
+    #[cfg(span_locations)]
+    {
+        assert_eq!(positive.span().start().column, 0);
+        assert_eq!(positive.span().end().column, 3);
+        assert_eq!(negative.span().start().column, 0);
+        assert_eq!(negative.span().end().column, 4);
+        assert_eq!(subspan.unwrap().source_text().unwrap(), ".");
+    }
+
+    assert!(positive.subspan(1..4).is_none());
+}
+
+#[test]
 fn roundtrip() {
     fn roundtrip(p: &str) {
         println!("parse: {}", p);