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Diffstat (limited to 'src/test/ui/run-pass/packed/packed-struct-generic-layout.rs')
-rw-r--r--src/test/ui/run-pass/packed/packed-struct-generic-layout.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/packed/packed-struct-generic-layout.rs b/src/test/ui/run-pass/packed/packed-struct-generic-layout.rs
new file mode 100644
index 00000000000..b962a5c7933
--- /dev/null
+++ b/src/test/ui/run-pass/packed/packed-struct-generic-layout.rs
@@ -0,0 +1,38 @@
+// 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 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+use std::mem;
+
+#[repr(packed)]
+struct S<T, S> {
+    a: T,
+    b: u8,
+    c: S
+}
+
+pub fn main() {
+    unsafe {
+        let s = S { a: 0xff_ff_ff_ffu32, b: 1, c: 0xaa_aa_aa_aa as i32 };
+        let transd : [u8; 9] = mem::transmute(s);
+        // Don't worry about endianness, the numbers are palindromic.
+        assert_eq!(transd,
+                   [0xff, 0xff, 0xff, 0xff,
+                    1,
+                    0xaa, 0xaa, 0xaa, 0xaa]);
+
+
+        let s = S { a: 1u8, b: 2u8, c: 0b10000001_10000001 as i16};
+        let transd : [u8; 4] = mem::transmute(s);
+        // Again, no endianness problems.
+        assert_eq!(transd,
+                   [1, 2, 0b10000001, 0b10000001]);
+    }
+}