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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/packed/packed-struct-generic-size.rs
parentInitial commit. (diff)
downloadrustc-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/packed/packed-struct-generic-size.rs')
-rw-r--r--src/test/ui/packed/packed-struct-generic-size.rs44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/packed/packed-struct-generic-size.rs b/src/test/ui/packed/packed-struct-generic-size.rs
new file mode 100644
index 000000000..7c93e46c3
--- /dev/null
+++ b/src/test/ui/packed/packed-struct-generic-size.rs
@@ -0,0 +1,44 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_comparisons)]
+
+use std::mem;
+
+#[repr(packed)]
+struct P1<T, S> {
+ a: T,
+ b: u8,
+ c: S
+}
+
+#[repr(packed(2))]
+struct P2<T, S> {
+ a: T,
+ b: u8,
+ c: S
+}
+
+#[repr(C, packed(4))]
+struct P4C<T, S> {
+ a: T,
+ b: u8,
+ c: S
+}
+
+macro_rules! check {
+ ($t:ty, $align:expr, $size:expr) => ({
+ assert_eq!(mem::align_of::<$t>(), $align);
+ assert_eq!(mem::size_of::<$t>(), $size);
+ });
+}
+
+pub fn main() {
+ check!(P1<u8, u8>, 1, 3);
+ check!(P1<u64, u16>, 1, 11);
+
+ check!(P2<u8, u8>, 1, 3);
+ check!(P2<u64, u16>, 2, 12);
+
+ check!(P4C<u8, u8>, 1, 3);
+ check!(P4C<u16, u64>, 4, 12);
+}