more test cases

dtolnay · Dec 29, 2023 · 64afa73 · 64afa73
1 parent 629dbd5
commit 64afa73
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/de.rs b/src/de.rs
@@ -1105,6 +1105,7 @@ pub(crate) fn ambiguous_string(scalar: &str) -> bool {
     parse_bool(&lower_scalar).is_some()
         || parse_null(&lower_scalar.as_bytes()).is_some()
         || lower_scalar.len() == 0
+        // Can unwrap because we just checked the length.
         || lower_scalar.bytes().nth(0).unwrap().is_ascii_digit()
         || lower_scalar.starts_with('-')
         || lower_scalar.starts_with('.')

diff --git a/tests/test_serde.rs b/tests/test_serde.rs
@@ -367,6 +367,18 @@ fn test_moar_strings_needing_quote() {
         "9.3",
         // https://github.com/dtolnay/serde-yaml/pull/398#discussion_r1432944356
         "2E234567",
+        // https://yaml.org/spec/1.2.2/#1022-tag-resolution
+        "0o7",
+        "0x3A",
+        "+12.3",
+        "0.",
+        "-0.0",
+        "12e3",
+        "-2E+05",
+        "0",
+        "-0",
+        "3",
+        "-19",
     ] {
         let thing = Struct {
             s: s.to_string(),