From 91e99a321569defb72cde69f2b2854b1e166219c Mon Sep 17 00:00:00 2001 From: scalexm Date: Sat, 5 Aug 2017 19:51:21 +0200 Subject: [PATCH] Add a test --- src/test/run-pass/builtin-clone.rs | 54 ++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 src/test/run-pass/builtin-clone.rs diff --git a/src/test/run-pass/builtin-clone.rs b/src/test/run-pass/builtin-clone.rs new file mode 100644 index 00000000000..87af48c13b0 --- /dev/null +++ b/src/test/run-pass/builtin-clone.rs @@ -0,0 +1,54 @@ +// Copyright 2013 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Test that `Clone` is correctly implemented for builtin types. +// Also test that cloning an array or a tuple is done right, i.e. +// each component is cloned. + +fn test_clone(arg: T) { + let _ = arg.clone(); +} + +fn foo() { } + +#[derive(Debug, PartialEq, Eq)] +struct S(i32); + +impl Clone for S { + fn clone(&self) -> Self { + S(self.0 + 1) + } +} + +fn main() { + test_clone(foo); + test_clone([1; 56]); + test_clone((1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1)); + + let a = [S(0), S(1), S(2)]; + let b = [S(1), S(2), S(3)]; + assert_eq!(b, a.clone()); + + let a = ( + (S(1), S(0)), + ( + (S(0), S(0), S(1)), + S(0) + ) + ); + let b = ( + (S(2), S(1)), + ( + (S(1), S(1), S(2)), + S(1) + ) + ); + assert_eq!(b, a.clone()); +}