1 // Require LLVM with DW_TAG_variant_part and a gdb and lldb that can
3 // min-system-llvm-version: 8.0
4 // min-gdb-version: 8.2
9 // === GDB TESTS ===================================================================================
13 // gdb-command:print *the_a
14 // gdbr-check:$1 = unique_enum::ABC::TheA{x: 0, y: 8970181431921507452}
16 // gdb-command:print *the_b
17 // gdbr-check:$2 = unique_enum::ABC::TheB(0, 286331153, 286331153)
19 // gdb-command:print *univariant
20 // gdbr-check:$3 = unique_enum::Univariant::TheOnlyCase(123234)
23 // === LLDB TESTS ==================================================================================
27 // lldb-command:print *the_a
28 // lldbr-check:(unique_enum::ABC::TheA) *the_a = TheA { TheA: 0, TheB: 8970181431921507452 }
30 // lldb-command:print *the_b
31 // lldbr-check:(unique_enum::ABC::TheB) *the_b = { = 0 = 286331153 = 286331153 }
33 // lldb-command:print *univariant
34 // lldbr-check:(unique_enum::Univariant) *univariant = { TheOnlyCase = { = 123234 } }
36 #![allow(unused_variables)]
37 #![feature(box_syntax)]
38 #![feature(omit_gdb_pretty_printer_section)]
39 #![omit_gdb_pretty_printer_section]
41 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
42 // the size of the discriminant value is machine dependent, this has be taken into account when
43 // datatype layout should be predictable as in this case.
45 TheA { x: i64, y: i64 },
49 // This is a special case since it does not have the implicit discriminant field.
56 // In order to avoid endianness trouble all of the following test values consist of a single
57 // repeated byte. This way each interpretation of the union should look the same, no matter if
58 // this is a big or little endian machine.
60 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
61 // 0b01111100011111000111110001111100 = 2088533116
62 // 0b0111110001111100 = 31868
64 let the_a: Box<_> = box ABC::TheA { x: 0, y: 8970181431921507452 };
66 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
67 // 0b00010001000100010001000100010001 = 286331153
68 // 0b0001000100010001 = 4369
70 let the_b: Box<_> = box ABC::TheB (0, 286331153, 286331153);
72 let univariant: Box<_> = box Univariant::TheOnlyCase(123234);