1 // Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // ignore-tidy-linelength
13 // Require LLVM with DW_TAG_variant_part and a gdb and lldb that can
15 // min-system-llvm-version: 7.0
16 // min-gdb-version: 8.2
21 // === GDB TESTS ===================================================================================
25 // gdb-command:print *the_a
26 // gdbr-check:$1 = unique_enum::ABC::TheA{x: 0, y: 8970181431921507452}
28 // gdb-command:print *the_b
29 // gdbr-check:$2 = unique_enum::ABC::TheB(0, 286331153, 286331153)
31 // gdb-command:print *univariant
32 // gdbr-check:$3 = unique_enum::Univariant::TheOnlyCase(123234)
35 // === LLDB TESTS ==================================================================================
39 // lldb-command:print *the_a
40 // lldbr-check:(unique_enum::ABC::TheA) *the_a = TheA { TheA: 0, TheB: 8970181431921507452 }
42 // lldb-command:print *the_b
43 // lldbr-check:(unique_enum::ABC::TheB) *the_b = { = 0 = 286331153 = 286331153 }
45 // lldb-command:print *univariant
46 // lldbr-check:(unique_enum::Univariant) *univariant = { TheOnlyCase = { = 123234 } }
48 #![allow(unused_variables)]
49 #![feature(box_syntax)]
50 #![feature(omit_gdb_pretty_printer_section)]
51 #![omit_gdb_pretty_printer_section]
53 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
54 // the size of the discriminant value is machine dependent, this has be taken into account when
55 // datatype layout should be predictable as in this case.
57 TheA { x: i64, y: i64 },
61 // This is a special case since it does not have the implicit discriminant field.
68 // In order to avoid endianness trouble all of the following test values consist of a single
69 // repeated byte. This way each interpretation of the union should look the same, no matter if
70 // this is a big or little endian machine.
72 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
73 // 0b01111100011111000111110001111100 = 2088533116
74 // 0b0111110001111100 = 31868
76 let the_a: Box<_> = box ABC::TheA { x: 0, y: 8970181431921507452 };
78 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
79 // 0b00010001000100010001000100010001 = 286331153
80 // 0b0001000100010001 = 4369
82 let the_b: Box<_> = box ABC::TheB (0, 286331153, 286331153);
84 let univariant: Box<_> = box Univariant::TheOnlyCase(123234);