1 files changed, 53 insertions, 0 deletions
diff --git a/tests/ui/parser/chained-comparison-suggestion.rs b/tests/ui/parser/chained-comparison-suggestion.rs
new file mode 100644
index 00000000000..bbd46082c9f
--- /dev/null
+++ b/tests/ui/parser/chained-comparison-suggestion.rs
@@ -0,0 +1,53 @@
+// Check that we get nice suggestions when attempting a chained comparison.
+
+fn comp1() {
+    1 < 2 <= 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn comp2() {
+    1 < 2 < 3; //~ ERROR comparison operators cannot be chained
+}
+
+fn comp3() {
+    1 <= 2 < 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn comp4() {
+    1 <= 2 <= 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn comp5() {
+    1 > 2 >= 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn comp6() {
+    1 > 2 > 3; //~ ERROR comparison operators cannot be chained
+}
+
+fn comp7() {
+    1 >= 2 > 3; //~ ERROR comparison operators cannot be chained
+}
+
+fn comp8() {
+    1 >= 2 >= 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn comp9() {
+    1 == 2 < 3; //~ ERROR comparison operators cannot be chained
+}
+
+fn comp10() {
+    1 > 2 == false; //~ ERROR comparison operators cannot be chained
+}
+
+fn comp11() {
+    1 == 2 == 3; //~ ERROR comparison operators cannot be chained
+    //~^ ERROR mismatched types
+}
+
+fn main() {}