1 // Require a gdb or lldb that can read DW_TAG_variant_part.
2 // min-gdb-version: 8.2
7 // === GDB TESTS ===================================================================================
11 // gdb-command:print *the_a
12 // gdbr-check:$1 = unique_enum::ABC::TheA{x: 0, y: 8970181431921507452}
14 // gdb-command:print *the_b
15 // gdbr-check:$2 = unique_enum::ABC::TheB(0, 286331153, 286331153)
17 // gdb-command:print *univariant
18 // gdbr-check:$3 = unique_enum::Univariant::TheOnlyCase(123234)
21 // === LLDB TESTS ==================================================================================
25 // lldb-command:print *the_a
26 // lldbr-check:(unique_enum::ABC::TheA) *the_a = TheA { TheA: 0, TheB: 8970181431921507452 }
28 // lldb-command:print *the_b
29 // lldbr-check:(unique_enum::ABC::TheB) *the_b = { = 0 = 286331153 = 286331153 }
31 // lldb-command:print *univariant
32 // lldbr-check:(unique_enum::Univariant) *univariant = { TheOnlyCase = { = 123234 } }
34 #![allow(unused_variables)]
35 #![feature(box_syntax)]
36 #![feature(omit_gdb_pretty_printer_section)]
37 #![omit_gdb_pretty_printer_section]
39 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
40 // the size of the discriminant value is machine dependent, this has be taken into account when
41 // datatype layout should be predictable as in this case.
43 TheA { x: i64, y: i64 },
47 // This is a special case since it does not have the implicit discriminant field.
54 // In order to avoid endianness trouble all of the following test values consist of a single
55 // repeated byte. This way each interpretation of the union should look the same, no matter if
56 // this is a big or little endian machine.
58 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
59 // 0b01111100011111000111110001111100 = 2088533116
60 // 0b0111110001111100 = 31868
62 let the_a: Box<_> = box ABC::TheA { x: 0, y: 8970181431921507452 };
64 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
65 // 0b00010001000100010001000100010001 = 286331153
66 // 0b0001000100010001 = 4369
68 let the_b: Box<_> = box ABC::TheB (0, 286331153, 286331153);
70 let univariant: Box<_> = box Univariant::TheOnlyCase(123234);