From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/packed/packed-tuple-struct-size.rs | 79 +++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 tests/ui/packed/packed-tuple-struct-size.rs

(limited to 'tests/ui/packed/packed-tuple-struct-size.rs')

diff --git a/tests/ui/packed/packed-tuple-struct-size.rs b/tests/ui/packed/packed-tuple-struct-size.rs
new file mode 100644
index 000000000..f7a3c903f
--- /dev/null
+++ b/tests/ui/packed/packed-tuple-struct-size.rs
@@ -0,0 +1,79 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+use std::mem;
+
+#[repr(packed)]
+struct P1S4(u8,[u8;  3]);
+
+#[repr(packed(2))]
+struct P2S4(u8,[u8;  3]);
+
+#[repr(packed)]
+struct P1S5(u8, u32);
+
+#[repr(packed(2))]
+struct P2S6(u8, u32);
+
+#[repr(packed)]
+struct P1S13(i64, f32, u8);
+
+#[repr(packed(2))]
+struct P2S14(i64, f32, u8);
+
+#[repr(packed(4))]
+struct P4S16(u8, f32, i64, u16);
+
+#[repr(C, packed(4))]
+struct P4CS20(u8, f32, i64, u16);
+
+enum Foo {
+    Bar = 1,
+    Baz = 2
+}
+
+#[repr(packed)]
+struct P1S3_Foo(u8, u16, Foo);
+
+#[repr(packed(2))]
+struct P2_Foo(Foo);
+
+#[repr(packed(2))]
+struct P2S3_Foo(u8, u16, Foo);
+
+#[repr(packed)]
+struct P1S7_Option(f32, u8, u16, Option<Box<f64>>);
+
+#[repr(packed(2))]
+struct P2_Option(Option<Box<f64>>);
+
+#[repr(packed(2))]
+struct P2S7_Option(f32, u8, u16, Option<Box<f64>>);
+
+fn align_to(value: usize, align: usize) -> usize {
+    (value + (align - 1)) & !(align - 1)
+}
+
+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!(P1S4, 1, 4);
+    check!(P1S5, 1, 5);
+    check!(P1S13, 1, 13);
+    check!(P1S3_Foo, 1, 3 + mem::size_of::<Foo>());
+    check!(P1S7_Option, 1, 7 + mem::size_of::<Option<Box<f64>>>());
+
+    check!(P2S4, 1, 4);
+    check!(P2S6, 2, 6);
+    check!(P2S14, 2, 14);
+    check!(P4S16, 4, 16);
+    check!(P4CS20, 4, 20);
+    check!(P2S3_Foo, 2, align_to(3 + mem::size_of::<P2_Foo>(), 2));
+    check!(P2S7_Option, 2, align_to(7 + mem::size_of::<P2_Option>(), 2));
+}
-- 
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