1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/rust/nom/src/character/tests.rs b/third_party/rust/nom/src/character/tests.rs
new file mode 100644
index 0000000000..64c2a1c8a7
--- /dev/null
+++ b/third_party/rust/nom/src/character/tests.rs
@@ -0,0 +1,62 @@
+use super::streaming::*;
+use crate::error::ErrorKind;
+use crate::internal::{Err, IResult};
+
+#[test]
+fn one_of_test() {
+  fn f(i: &[u8]) -> IResult<&[u8], char> {
+    one_of("ab")(i)
+  }
+
+  let a = &b"abcd"[..];
+  assert_eq!(f(a), Ok((&b"bcd"[..], 'a')));
+
+  let b = &b"cde"[..];
+  assert_eq!(f(b), Err(Err::Error(error_position!(b, ErrorKind::OneOf))));
+
+  fn utf8(i: &str) -> IResult<&str, char> {
+    one_of("+\u{FF0B}")(i)
+  }
+
+  assert!(utf8("+").is_ok());
+  assert!(utf8("\u{FF0B}").is_ok());
+}
+
+#[test]
+fn none_of_test() {
+  fn f(i: &[u8]) -> IResult<&[u8], char> {
+    none_of("ab")(i)
+  }
+
+  let a = &b"abcd"[..];
+  assert_eq!(f(a), Err(Err::Error(error_position!(a, ErrorKind::NoneOf))));
+
+  let b = &b"cde"[..];
+  assert_eq!(f(b), Ok((&b"de"[..], 'c')));
+}
+
+#[test]
+fn char_byteslice() {
+  fn f(i: &[u8]) -> IResult<&[u8], char> {
+    char('c')(i)
+  }
+
+  let a = &b"abcd"[..];
+  assert_eq!(f(a), Err(Err::Error(error_position!(a, ErrorKind::Char))));
+
+  let b = &b"cde"[..];
+  assert_eq!(f(b), Ok((&b"de"[..], 'c')));
+}
+
+#[test]
+fn char_str() {
+  fn f(i: &str) -> IResult<&str, char> {
+    char('c')(i)
+  }
+
+  let a = &"abcd"[..];
+  assert_eq!(f(a), Err(Err::Error(error_position!(a, ErrorKind::Char))));
+
+  let b = &"cde"[..];
+  assert_eq!(f(b), Ok((&"de"[..], 'c')));
+}