1 // ignore-tidy-linelength
3 // Require a gdb or lldb that can read DW_TAG_variant_part.
4 // min-gdb-version: 8.2
9 // === GDB TESTS ===================================================================================
11 // gdb-command:set print union on
14 // gdb-command:print case1
15 // gdbr-check:$1 = tuple_style_enum::Regular::Case1(0, 31868, 31868, 31868, 31868)
17 // gdb-command:print case2
18 // gdbr-check:$2 = tuple_style_enum::Regular::Case2(0, 286331153, 286331153)
20 // gdb-command:print case3
21 // gdbr-check:$3 = tuple_style_enum::Regular::Case3(0, 6438275382588823897)
23 // gdb-command:print univariant
24 // gdbr-check:$4 = tuple_style_enum::Univariant::TheOnlyCase(-1)
27 // === LLDB TESTS ==================================================================================
31 // lldb-command:print case1
32 // lldbr-check:(tuple_style_enum::Regular::Case1) case1 = { = 0 = 31868 = 31868 = 31868 = 31868 }
34 // lldb-command:print case2
35 // lldbr-check:(tuple_style_enum::Regular::Case2) case2 = Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 }
37 // lldb-command:print case3
38 // lldbr-check:(tuple_style_enum::Regular::Case3) case3 = Case3 { Case1: 0, Case2: 6438275382588823897 }
40 // lldb-command:print univariant
41 // lldbr-check:(tuple_style_enum::Univariant) univariant = { TheOnlyCase = { = -1 } }
43 #![allow(unused_variables)]
44 #![feature(omit_gdb_pretty_printer_section)]
45 #![omit_gdb_pretty_printer_section]
47 use self::Regular::{Case1, Case2, Case3};
48 use self::Univariant::TheOnlyCase;
50 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
51 // the size of the discriminant value is machine dependent, this has be taken into account when
52 // datatype layout should be predictable as in this case.
54 Case1(u64, u16, u16, u16, u16),
65 // In order to avoid endianness trouble all of the following test values consist of a single
66 // repeated byte. This way each interpretation of the union should look the same, no matter if
67 // this is a big or little endian machine.
69 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
70 // 0b01111100011111000111110001111100 = 2088533116
71 // 0b0111110001111100 = 31868
73 let case1 = Case1(0, 31868, 31868, 31868, 31868);
75 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
76 // 0b00010001000100010001000100010001 = 286331153
77 // 0b0001000100010001 = 4369
79 let case2 = Case2(0, 286331153, 286331153);
81 // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
82 // 0b01011001010110010101100101011001 = 1499027801
83 // 0b0101100101011001 = 22873
85 let case3 = Case3(0, 6438275382588823897);
87 let univariant = TheOnlyCase(-1);