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Diffstat (limited to 'src/test/debug-info/managed-enum.rs')
| -rw-r--r-- | src/test/debug-info/managed-enum.rs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/test/debug-info/managed-enum.rs b/src/test/debug-info/managed-enum.rs new file mode 100644 index 00000000000..794a362e573 --- /dev/null +++ b/src/test/debug-info/managed-enum.rs @@ -0,0 +1,63 @@ +// 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. + +// xfail-win32 Broken because of LLVM bug: http://llvm.org/bugs/show_bug.cgi?id=16249 + +// compile-flags:-Z extra-debug-info +// debugger:break zzz +// debugger:run +// debugger:finish + +// debugger:print the_a->val +// check:$1 = {{TheA, x = 0, y = 8970181431921507452}, {TheA, 0, 2088533116, 2088533116}} + +// debugger:print the_b->val +// check:$2 = {{TheB, x = 0, y = 1229782938247303441}, {TheB, 0, 286331153, 286331153}} + +// debugger:print univariant->val +// check:$3 = {{-9747455}} + +// The first element is to ensure proper alignment, irrespective of the machines word size. Since +// the size of the discriminant value is machine dependent, this has be taken into account when +// datatype layout should be predictable as in this case. +enum ABC { + TheA { x: i64, y: i64 }, + TheB (i64, i32, i32), +} + +// This is a special case since it does not have the implicit discriminant field. +enum Univariant { + TheOnlyCase(i64) +} + +fn main() { + + // In order to avoid endianess trouble all of the following test values consist of a single + // repeated byte. This way each interpretation of the union should look the same, no matter if + // this is a big or little endian machine. + + // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452 + // 0b01111100011111000111110001111100 = 2088533116 + // 0b0111110001111100 = 31868 + // 0b01111100 = 124 + let the_a = @TheA { x: 0, y: 8970181431921507452 }; + + // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441 + // 0b00010001000100010001000100010001 = 286331153 + // 0b0001000100010001 = 4369 + // 0b00010001 = 17 + let the_b = @TheB (0, 286331153, 286331153); + + let univariant = @TheOnlyCase(-9747455); + + zzz(); +} + +fn zzz() {()} \ No newline at end of file |
