1 files changed, 30 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/string_lit_as_bytes.rs b/src/tools/clippy/tests/ui/string_lit_as_bytes.rs
new file mode 100644
index 000000000..c6bf8f732
--- /dev/null
+++ b/src/tools/clippy/tests/ui/string_lit_as_bytes.rs
@@ -0,0 +1,30 @@
+// run-rustfix
+
+#![allow(dead_code, unused_variables)]
+#![warn(clippy::string_lit_as_bytes)]
+
+fn str_lit_as_bytes() {
+    let bs = "hello there".as_bytes();
+
+    let bs = r###"raw string with 3# plus " ""###.as_bytes();
+
+    let bs = "lit to string".to_string().into_bytes();
+    let bs = "lit to owned".to_owned().into_bytes();
+
+    // no warning, because these cannot be written as byte string literals:
+    let ubs = "☃".as_bytes();
+    let ubs = "hello there! this is a very long string".as_bytes();
+
+    let ubs = "☃".to_string().into_bytes();
+    let ubs = "this is also too long and shouldn't be fixed".to_string().into_bytes();
+
+    let strify = stringify!(foobar).as_bytes();
+
+    let current_version = env!("CARGO_PKG_VERSION").as_bytes();
+
+    let includestr = include_str!("string_lit_as_bytes.rs").as_bytes();
+
+    let _ = "string with newline\t\n".as_bytes();
+}
+
+fn main() {}