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ba9703b0 | 1 | // Require a gdb or lldb that can read DW_TAG_variant_part. |
a1dfa0c6 XL |
2 | // min-gdb-version: 8.2 |
3 | // rust-lldb | |
1a4d82fc JJ |
4 | |
5 | // compile-flags:-g | |
6 | ||
7 | // === GDB TESTS =================================================================================== | |
8 | ||
9 | // gdb-command:set print union on | |
10 | // gdb-command:run | |
11 | ||
12 | // gdb-command:print case1 | |
c30ab7b3 | 13 | // gdbr-check:$1 = struct_style_enum::Regular::Case1{a: 0, b: 31868, c: 31868, d: 31868, e: 31868} |
1a4d82fc JJ |
14 | |
15 | // gdb-command:print case2 | |
c30ab7b3 | 16 | // gdbr-check:$2 = struct_style_enum::Regular::Case2{a: 0, b: 286331153, c: 286331153} |
1a4d82fc JJ |
17 | |
18 | // gdb-command:print case3 | |
c30ab7b3 | 19 | // gdbr-check:$3 = struct_style_enum::Regular::Case3{a: 0, b: 6438275382588823897} |
1a4d82fc JJ |
20 | |
21 | // gdb-command:print univariant | |
c30ab7b3 | 22 | // gdbr-check:$4 = struct_style_enum::Univariant::TheOnlyCase{a: -1} |
1a4d82fc JJ |
23 | |
24 | ||
25 | // === LLDB TESTS ================================================================================== | |
26 | ||
27 | // lldb-command:run | |
28 | ||
29 | // lldb-command:print case1 | |
0bf4aa26 | 30 | // lldbr-check:(struct_style_enum::Regular::Case1) case1 = { a = 0 b = 31868 c = 31868 d = 31868 e = 31868 } |
1a4d82fc JJ |
31 | |
32 | // lldb-command:print case2 | |
a1dfa0c6 | 33 | // lldbr-check:(struct_style_enum::Regular::Case2) case2 = Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 } |
1a4d82fc JJ |
34 | |
35 | // lldb-command:print case3 | |
a1dfa0c6 | 36 | // lldbr-check:(struct_style_enum::Regular::Case3) case3 = Case3 { Case1: 0, Case2: 6438275382588823897 } |
1a4d82fc JJ |
37 | |
38 | // lldb-command:print univariant | |
a1dfa0c6 | 39 | // lldbr-check:(struct_style_enum::Univariant) univariant = Univariant { TheOnlyCase: TheOnlyCase { a: -1 } } |
1a4d82fc JJ |
40 | |
41 | #![allow(unused_variables)] | |
b039eaaf | 42 | #![feature(omit_gdb_pretty_printer_section)] |
1a4d82fc JJ |
43 | #![omit_gdb_pretty_printer_section] |
44 | ||
45 | use self::Regular::{Case1, Case2, Case3}; | |
46 | use self::Univariant::TheOnlyCase; | |
47 | ||
48 | // The first element is to ensure proper alignment, irrespective of the machines word size. Since | |
49 | // the size of the discriminant value is machine dependent, this has be taken into account when | |
50 | // datatype layout should be predictable as in this case. | |
51 | enum Regular { | |
52 | Case1 { a: u64, b: u16, c: u16, d: u16, e: u16}, | |
53 | Case2 { a: u64, b: u32, c: u32}, | |
54 | Case3 { a: u64, b: u64 } | |
55 | } | |
56 | ||
57 | enum Univariant { | |
58 | TheOnlyCase { a: i64 } | |
59 | } | |
60 | ||
61 | fn main() { | |
62 | ||
c34b1796 | 63 | // In order to avoid endianness trouble all of the following test values consist of a single |
1a4d82fc JJ |
64 | // repeated byte. This way each interpretation of the union should look the same, no matter if |
65 | // this is a big or little endian machine. | |
66 | ||
67 | // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452 | |
68 | // 0b01111100011111000111110001111100 = 2088533116 | |
69 | // 0b0111110001111100 = 31868 | |
70 | // 0b01111100 = 124 | |
71 | let case1 = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 }; | |
72 | ||
73 | // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441 | |
74 | // 0b00010001000100010001000100010001 = 286331153 | |
75 | // 0b0001000100010001 = 4369 | |
76 | // 0b00010001 = 17 | |
77 | let case2 = Case2 { a: 0, b: 286331153, c: 286331153 }; | |
78 | ||
79 | // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897 | |
80 | // 0b01011001010110010101100101011001 = 1499027801 | |
81 | // 0b0101100101011001 = 22873 | |
82 | // 0b01011001 = 89 | |
83 | let case3 = Case3 { a: 0, b: 6438275382588823897 }; | |
84 | ||
85 | let univariant = TheOnlyCase { a: -1 }; | |
86 | ||
87 | zzz(); // #break | |
88 | } | |
89 | ||
90 | fn zzz() {()} |