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(omit_gdb_pretty_printer_section)]
36 #![omit_gdb_pretty_printer_section]
38 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
39 // the size of the discriminant value is machine dependent, this has be taken into account when
40 // datatype layout should be predictable as in this case.
42 TheA { x: i64, y: i64 }
,
46 // This is a special case since it does not have the implicit discriminant field.
53 // In order to avoid endianness trouble all of the following test values consist of a single
54 // repeated byte. This way each interpretation of the union should look the same, no matter if
55 // this is a big or little endian machine.
57 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
58 // 0b01111100011111000111110001111100 = 2088533116
59 // 0b0111110001111100 = 31868
61 let the_a
: Box
<_
> = Box
::new(ABC
::TheA { x: 0, y: 8970181431921507452 }
);
63 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
64 // 0b00010001000100010001000100010001 = 286331153
65 // 0b0001000100010001 = 4369
67 let the_b
: Box
<_
> = Box
::new(ABC
::TheB (0, 286331153, 286331153));
69 let univariant
: Box
<_
> = Box
::new(Univariant
::TheOnlyCase(123234));