1 // ignore-tidy-linelength
3 // Require LLVM with DW_TAG_variant_part and a gdb and lldb that can
5 // min-system-llvm-version: 8.0
6 // min-gdb-version: 8.2
11 // === GDB TESTS ===================================================================================
15 // gdb-command:print *the_a
16 // gdbr-check:$1 = unique_enum::ABC::TheA{x: 0, y: 8970181431921507452}
18 // gdb-command:print *the_b
19 // gdbr-check:$2 = unique_enum::ABC::TheB(0, 286331153, 286331153)
21 // gdb-command:print *univariant
22 // gdbr-check:$3 = unique_enum::Univariant::TheOnlyCase(123234)
25 // === LLDB TESTS ==================================================================================
29 // lldb-command:print *the_a
30 // lldbr-check:(unique_enum::ABC::TheA) *the_a = TheA { TheA: 0, TheB: 8970181431921507452 }
32 // lldb-command:print *the_b
33 // lldbr-check:(unique_enum::ABC::TheB) *the_b = { = 0 = 286331153 = 286331153 }
35 // lldb-command:print *univariant
36 // lldbr-check:(unique_enum::Univariant) *univariant = { TheOnlyCase = { = 123234 } }
38 #![allow(unused_variables)]
39 #![feature(box_syntax)]
40 #![feature(omit_gdb_pretty_printer_section)]
41 #![omit_gdb_pretty_printer_section]
43 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
44 // the size of the discriminant value is machine dependent, this has be taken into account when
45 // datatype layout should be predictable as in this case.
47 TheA { x: i64, y: i64 },
51 // This is a special case since it does not have the implicit discriminant field.
58 // In order to avoid endianness trouble all of the following test values consist of a single
59 // repeated byte. This way each interpretation of the union should look the same, no matter if
60 // this is a big or little endian machine.
62 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
63 // 0b01111100011111000111110001111100 = 2088533116
64 // 0b0111110001111100 = 31868
66 let the_a: Box<_> = box ABC::TheA { x: 0, y: 8970181431921507452 };
68 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
69 // 0b00010001000100010001000100010001 = 286331153
70 // 0b0001000100010001 = 4369
72 let the_b: Box<_> = box ABC::TheB (0, 286331153, 286331153);
74 let univariant: Box<_> = box Univariant::TheOnlyCase(123234);