1 files changed, 54 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/vec_box_sized.fixed b/src/tools/clippy/tests/ui/vec_box_sized.fixed
new file mode 100644
index 000000000..a40d91fdb
--- /dev/null
+++ b/src/tools/clippy/tests/ui/vec_box_sized.fixed
@@ -0,0 +1,54 @@
+// run-rustfix
+
+#![allow(dead_code)]
+
+struct SizedStruct(i32);
+struct UnsizedStruct([i32]);
+struct BigStruct([i32; 10000]);
+
+/// The following should trigger the lint
+mod should_trigger {
+    use super::SizedStruct;
+    const C: Vec<i32> = Vec::new();
+    static S: Vec<i32> = Vec::new();
+
+    struct StructWithVecBox {
+        sized_type: Vec<SizedStruct>,
+    }
+
+    struct A(Vec<SizedStruct>);
+    struct B(Vec<Vec<u32>>);
+}
+
+/// The following should not trigger the lint
+mod should_not_trigger {
+    use super::{BigStruct, UnsizedStruct};
+
+    struct C(Vec<Box<UnsizedStruct>>);
+    struct D(Vec<Box<BigStruct>>);
+
+    struct StructWithVecBoxButItsUnsized {
+        unsized_type: Vec<Box<UnsizedStruct>>,
+    }
+
+    struct TraitVec<T: ?Sized> {
+        // Regression test for #3720. This was causing an ICE.
+        inner: Vec<Box<T>>,
+    }
+}
+
+mod inner_mod {
+    mod inner {
+        pub struct S;
+    }
+
+    mod inner2 {
+        use super::inner::S;
+
+        pub fn f() -> Vec<S> {
+            vec![]
+        }
+    }
+}
+
+fn main() {}