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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/structs-enums/enum-discrim-autosizing.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/structs-enums/enum-discrim-autosizing.rs')
-rw-r--r--src/test/ui/structs-enums/enum-discrim-autosizing.rs53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/enum-discrim-autosizing.rs b/src/test/ui/structs-enums/enum-discrim-autosizing.rs
new file mode 100644
index 000000000..f68fdda60
--- /dev/null
+++ b/src/test/ui/structs-enums/enum-discrim-autosizing.rs
@@ -0,0 +1,53 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(overflowing_literals)]
+
+use std::mem::size_of;
+
+enum Ei8 {
+ Ai8 = -1,
+ Bi8 = 0
+}
+
+enum Eu8 {
+ Au8 = 0,
+ Bu8 = 0x80
+}
+
+enum Ei16 {
+ Ai16 = -1,
+ Bi16 = 0x80
+}
+
+enum Eu16 {
+ Au16 = 0,
+ Bu16 = 0x8000
+}
+
+enum Ei32 {
+ Ai32 = -1,
+ Bi32 = 0x8000
+}
+
+enum Eu32 {
+ Au32 = 0,
+ Bu32 = 0x8000_0000
+}
+
+enum Ei64 {
+ Ai64 = -1,
+ Bi64 = 0x8000_0000
+}
+
+pub fn main() {
+ assert_eq!(size_of::<Ei8>(), 1);
+ assert_eq!(size_of::<Eu8>(), 1);
+ assert_eq!(size_of::<Ei16>(), 2);
+ assert_eq!(size_of::<Eu16>(), 2);
+ assert_eq!(size_of::<Ei32>(), 4);
+ assert_eq!(size_of::<Eu32>(), 4);
+ #[cfg(target_pointer_width = "64")]
+ assert_eq!(size_of::<Ei64>(), 8);
+ #[cfg(target_pointer_width = "32")]
+ assert_eq!(size_of::<Ei64>(), 4);
+}