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-rw-r--r--src/test/ui/traits/objects-owned-object-borrowed-method-headerless.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/traits/objects-owned-object-borrowed-method-headerless.rs b/src/test/ui/traits/objects-owned-object-borrowed-method-headerless.rs
new file mode 100644
index 000000000..fce1341fc
--- /dev/null
+++ b/src/test/ui/traits/objects-owned-object-borrowed-method-headerless.rs
@@ -0,0 +1,30 @@
+// run-pass
+// Test invoked `&self` methods on owned objects where the values
+// closed over do not contain managed values, and thus the boxes do
+// not have headers.
+
+trait FooTrait {
+ fn foo(&self) -> usize;
+}
+
+struct BarStruct {
+ x: usize
+}
+
+impl FooTrait for BarStruct {
+ fn foo(&self) -> usize {
+ self.x
+ }
+}
+
+pub fn main() {
+ let foos: Vec<Box<dyn FooTrait>> = vec![
+ Box::new(BarStruct{ x: 0 }) as Box<dyn FooTrait>,
+ Box::new(BarStruct{ x: 1 }) as Box<dyn FooTrait>,
+ Box::new(BarStruct{ x: 2 }) as Box<dyn FooTrait>,
+ ];
+
+ for i in 0..foos.len() {
+ assert_eq!(i, foos[i].foo());
+ }
+}