1 files changed, 7 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/source/binop-separator-back/range.rs b/src/tools/rustfmt/tests/source/binop-separator-back/range.rs
new file mode 100644
index 000000000..bdd3de992
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/binop-separator-back/range.rs
@@ -0,0 +1,7 @@
+// rustfmt-binop_separator: Back
+
+fn main() {
+    let value = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ..abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ;
+
+    let value = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ..=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ;
+}