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
12 // min-lldb-version: 310
16 // === GDB TESTS ===================================================================================
18 // gdb-command:set print union on
21 // gdb-command:print case1
22 // gdb-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = {x = 2088533116, y = 2088533116, z = 31868}}, {RUST$ENUM$DISR = Case1, __0 = 0, __1 = 8970181431921507452, __2 = 31868}}
24 // gdb-command:print case2
25 // gdb-check:$2 = {{RUST$ENUM$DISR = Case2, __0 = 0, __1 = {x = 286331153, y = 286331153, z = 4369}}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 1229782938247303441, __2 = 4369}}
27 // gdb-command:print univariant
28 // gdb-check:$3 = {{__0 = {x = 123, y = 456, z = 789}}}
31 // === LLDB TESTS ==================================================================================
35 // lldb-command:print case1
36 // lldb-check:[...]$0 = Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 })
37 // lldb-command:print case2
38 // lldb-check:[...]$1 = Case2(0, 1229782938247303441, 4369)
40 // lldb-command:print univariant
41 // lldb-check:[...]$2 = TheOnlyCase(Struct { x: 123, y: 456, z: 789 })
43 #![allow(unused_variables)]
44 #![feature(omit_gdb_pretty_printer_section)]
45 #![omit_gdb_pretty_printer_section]
47 use self::Regular::{Case1, Case2};
48 use self::Univariant::TheOnlyCase;
56 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
57 // the size of the discriminant value is machine dependent, this has be taken into account when
58 // datatype layout should be predictable as in this case.
70 // In order to avoid endianness trouble all of the following test values consist of a single
71 // repeated byte. This way each interpretation of the union should look the same, no matter if
72 // this is a big or little endian machine.
74 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
75 // 0b01111100011111000111110001111100 = 2088533116
76 // 0b0111110001111100 = 31868
78 let case1 = Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 });
80 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
81 // 0b00010001000100010001000100010001 = 286331153
82 // 0b0001000100010001 = 4369
84 let case2 = Case2(0, 1229782938247303441, 4369);
86 let univariant = TheOnlyCase(Struct { x: 123, y: 456, z: 789 });