1 files changed, 48 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/neg_multiply.fixed b/src/tools/clippy/tests/ui/neg_multiply.fixed
new file mode 100644
index 000000000..58ab9e856
--- /dev/null
+++ b/src/tools/clippy/tests/ui/neg_multiply.fixed
@@ -0,0 +1,48 @@
+// run-rustfix
+#![warn(clippy::neg_multiply)]
+#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::precedence)]
+#![allow(unused)]
+
+use std::ops::Mul;
+
+struct X;
+
+impl Mul<isize> for X {
+    type Output = X;
+
+    fn mul(self, _r: isize) -> Self {
+        self
+    }
+}
+
+impl Mul<X> for isize {
+    type Output = X;
+
+    fn mul(self, _r: X) -> X {
+        X
+    }
+}
+
+fn main() {
+    let x = 0;
+
+    -x;
+
+    -x;
+
+    100 + -x;
+
+    -(100 + x);
+
+    -17;
+
+    0xcafe | -0xff00;
+
+    -(3_usize as i32);
+    -(3_usize as i32);
+
+    -1 * -1; // should be ok
+
+    X * -1; // should be ok
+    -1 * X; // should also be ok
+}