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// Require a gdb or lldb that can read DW_TAG_variant_part.
// min-gdb-version: 8.2
// rust-lldb
// compile-flags:-g
// === GDB TESTS ===================================================================================
// gdb-command:set print union on
// gdb-command:run
// gdb-command:print case1
// gdbr-check:$1 = tuple_style_enum::Regular::Case1(0, 31868, 31868, 31868, 31868)
// gdb-command:print case2
// gdbr-check:$2 = tuple_style_enum::Regular::Case2(0, 286331153, 286331153)
// gdb-command:print case3
// gdbr-check:$3 = tuple_style_enum::Regular::Case3(0, 6438275382588823897)
// gdb-command:print univariant
// gdbr-check:$4 = tuple_style_enum::Univariant::TheOnlyCase(-1)
// === LLDB TESTS ==================================================================================
// lldb-command:run
// lldb-command:print case1
// lldbr-check:(tuple_style_enum::Regular::Case1) case1 = { = 0 = 31868 = 31868 = 31868 = 31868 }
// lldb-command:print case2
// lldbr-check:(tuple_style_enum::Regular::Case2) case2 = Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 }
// lldb-command:print case3
// lldbr-check:(tuple_style_enum::Regular::Case3) case3 = Case3 { Case1: 0, Case2: 6438275382588823897 }
// lldb-command:print univariant
// lldbr-check:(tuple_style_enum::Univariant) univariant = { TheOnlyCase = { = -1 } }
#![allow(unused_variables)]
#![feature(omit_gdb_pretty_printer_section)]
#![omit_gdb_pretty_printer_section]
use self::Regular::{Case1, Case2, Case3};
use self::Univariant::TheOnlyCase;
// The first element is to ensure proper alignment, irrespective of the machines word size. Since
// the size of the discriminant value is machine dependent, this has be taken into account when
// datatype layout should be predictable as in this case.
enum Regular {
Case1(u64, u16, u16, u16, u16),
Case2(u64, u32, u32),
Case3(u64, u64)
}
enum Univariant {
TheOnlyCase(i64)
}
fn main() {
// In order to avoid endianness trouble all of the following test values consist of a single
// repeated byte. This way each interpretation of the union should look the same, no matter if
// this is a big or little endian machine.
// 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
// 0b01111100011111000111110001111100 = 2088533116
// 0b0111110001111100 = 31868
// 0b01111100 = 124
let case1 = Case1(0, 31868, 31868, 31868, 31868);
// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
// 0b00010001000100010001000100010001 = 286331153
// 0b0001000100010001 = 4369
// 0b00010001 = 17
let case2 = Case2(0, 286331153, 286331153);
// 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
// 0b01011001010110010101100101011001 = 1499027801
// 0b0101100101011001 = 22873
// 0b01011001 = 89
let case3 = Case3(0, 6438275382588823897);
let univariant = TheOnlyCase(-1);
zzz(); // #break
}
fn zzz() {()}
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