1 files changed, 21 insertions, 0 deletions
diff --git a/tests/pretty/format-args-str-escape.pp b/tests/pretty/format-args-str-escape.pp
new file mode 100644
index 000000000..b84bc2303
--- /dev/null
+++ b/tests/pretty/format-args-str-escape.pp
@@ -0,0 +1,21 @@
+#![feature(prelude_import)]
+#![no_std]
+#[prelude_import]
+use ::std::prelude::rust_2015::*;
+#[macro_use]
+extern crate std;
+// pretty-compare-only
+// pretty-mode:expanded
+// pp-exact:format-args-str-escape.pp
+
+fn main() {
+    { ::std::io::_print(format_args!("\u{1b}[1mHello, world!\u{1b}[0m\n")); };
+    { ::std::io::_print(format_args!("\u{1b}[1mHello, world!\u{1b}[0m\n")); };
+    {
+        ::std::io::_print(format_args!("Not an escape sequence: \\u{{1B}}[1mbold\\x1B[0m\n"));
+    };
+    {
+        ::std::io::_print(format_args!("{0}\n",
+                "\x1B[1mHello, world!\x1B[0m"));
+    };
+}