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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/stdlib-unit-tests/builtin-clone.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/stdlib-unit-tests/builtin-clone.rs')
-rw-r--r-- | src/test/ui/stdlib-unit-tests/builtin-clone.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/stdlib-unit-tests/builtin-clone.rs b/src/test/ui/stdlib-unit-tests/builtin-clone.rs new file mode 100644 index 000000000..0874d5bc3 --- /dev/null +++ b/src/test/ui/stdlib-unit-tests/builtin-clone.rs @@ -0,0 +1,45 @@ +// run-pass +// 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<T: 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()); +} |