1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/parser/byte-literals.rs b/tests/ui/parser/byte-literals.rs
new file mode 100644
index 00000000000..896dc1a1a5f
--- /dev/null
+++ b/tests/ui/parser/byte-literals.rs
@@ -0,0 +1,12 @@
+// ignore-tidy-tab
+
+static FOO: u8 = b'\f';  //~ ERROR unknown byte escape
+
+pub fn main() {
+    b'\f';  //~ ERROR unknown byte escape
+    b'\x0Z';  //~ ERROR invalid character in numeric character escape: `Z`
+    b'	';  //~ ERROR byte constant must be escaped
+    b''';  //~ ERROR byte constant must be escaped
+    b'é';  //~ ERROR non-ASCII character in byte literal
+    b'a  //~ ERROR unterminated byte constant [E0763]
+}