1 // Require a gdb or lldb that can read DW_TAG_variant_part.
2 // min-gdb-version: 8.2
7 // === GDB TESTS ===================================================================================
9 // gdb-command:set print union on
12 // gdb-command:print case1
13 // gdbr-check:$1 = generic_tuple_style_enum::Regular<u16, u32, u64>::Case1(0, 31868, 31868, 31868, 31868)
15 // gdb-command:print case2
16 // gdbr-check:$2 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case2(0, 286331153, 286331153)
18 // gdb-command:print case3
19 // gdbr-check:$3 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case3(0, 6438275382588823897)
21 // gdb-command:print univariant
22 // gdbr-check:$4 = generic_tuple_style_enum::Univariant<i64>::TheOnlyCase(-1)
25 // === LLDB TESTS ==================================================================================
29 // lldb-command:print case1
30 // lldbr-check:(generic_tuple_style_enum::Regular<u16, u32, u64>::Case1) case1 = { __0 = 0 __1 = 31868 __2 = 31868 __3 = 31868 __4 = 31868 }
32 // lldb-command:print case2
33 // lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case2) case2 = Regular<i16, i32, i64>::Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 }
35 // lldb-command:print case3
36 // lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case3) case3 = Regular<i16, i32, i64>::Case3 { Case1: 0, Case2: 6438275382588823897 }
38 // lldb-command:print univariant
39 // lldbr-check:(generic_tuple_style_enum::Univariant<i64>) univariant = Univariant<i64> { TheOnlyCase: Univariant<i64>::TheOnlyCase(-1) }
41 #![feature(omit_gdb_pretty_printer_section)]
42 #![omit_gdb_pretty_printer_section]
44 use self::Regular::{Case1, Case2, Case3};
45 use self::Univariant::TheOnlyCase;
47 // NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
48 // substituted with something of size `xx` bits and the same alignment as an integer type of the
51 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
52 // the size of the discriminant value is machine dependent, this has be taken into account when
53 // datatype layout should be predictable as in this case.
54 enum Regular<T16, T32, T64> {
55 Case1(T64, T16, T16, T16, T16),
60 enum Univariant<T64> {
66 // In order to avoid endianness trouble all of the following test values consist of a single
67 // repeated byte. This way each interpretation of the union should look the same, no matter if
68 // this is a big or little endian machine.
70 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
71 // 0b01111100011111000111110001111100 = 2088533116
72 // 0b0111110001111100 = 31868
74 let case1: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
76 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
77 // 0b00010001000100010001000100010001 = 286331153
78 // 0b0001000100010001 = 4369
80 let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
82 // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
83 // 0b01011001010110010101100101011001 = 1499027801
84 // 0b0101100101011001 = 22873
86 let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
88 let univariant = TheOnlyCase(-1_i64);