mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +00:00
94 lines
3.5 KiB
Rust
94 lines
3.5 KiB
Rust
// 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 = generic_tuple_style_enum::Regular<u16, u32, u64>::Case1(0, 31868, 31868, 31868, 31868)
|
|
|
|
// gdb-command:print case2
|
|
// gdbr-check:$2 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case2(0, 286331153, 286331153)
|
|
|
|
// gdb-command:print case3
|
|
// gdbr-check:$3 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case3(0, 6438275382588823897)
|
|
|
|
// gdb-command:print univariant
|
|
// gdbr-check:$4 = generic_tuple_style_enum::Univariant<i64>::TheOnlyCase(-1)
|
|
|
|
|
|
// === LLDB TESTS ==================================================================================
|
|
|
|
// lldb-command:run
|
|
|
|
// lldb-command:print case1
|
|
// lldbr-check:(generic_tuple_style_enum::Regular<u16, u32, u64>::Case1) case1 = { __0 = 0 __1 = 31868 __2 = 31868 __3 = 31868 __4 = 31868 }
|
|
|
|
// lldb-command:print case2
|
|
// lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case2) case2 = Regular<i16, i32, i64>::Case2 { Case1: 0, Case2: 286331153, Case3: 286331153 }
|
|
|
|
// lldb-command:print case3
|
|
// lldbr-check:(generic_tuple_style_enum::Regular<i16, i32, i64>::Case3) case3 = Regular<i16, i32, i64>::Case3 { Case1: 0, Case2: 6438275382588823897 }
|
|
|
|
// lldb-command:print univariant
|
|
// lldbr-check:(generic_tuple_style_enum::Univariant<i64>) univariant = Univariant<i64> { TheOnlyCase: Univariant<i64>::TheOnlyCase(-1) }
|
|
|
|
#![feature(omit_gdb_pretty_printer_section)]
|
|
#![omit_gdb_pretty_printer_section]
|
|
|
|
use self::Regular::{Case1, Case2, Case3};
|
|
use self::Univariant::TheOnlyCase;
|
|
|
|
// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
|
|
// substituted with something of size `xx` bits and the same alignment as an integer type of the
|
|
// same size.
|
|
|
|
// 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<T16, T32, T64> {
|
|
Case1(T64, T16, T16, T16, T16),
|
|
Case2(T64, T32, T32),
|
|
Case3(T64, T64)
|
|
}
|
|
|
|
enum Univariant<T64> {
|
|
TheOnlyCase(T64)
|
|
}
|
|
|
|
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: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
|
|
|
|
// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
|
|
// 0b00010001000100010001000100010001 = 286331153
|
|
// 0b0001000100010001 = 4369
|
|
// 0b00010001 = 17
|
|
let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
|
|
|
|
// 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
|
|
// 0b01011001010110010101100101011001 = 1499027801
|
|
// 0b0101100101011001 = 22873
|
|
// 0b01011001 = 89
|
|
let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
|
|
|
|
let univariant = TheOnlyCase(-1_i64);
|
|
|
|
zzz(); // #break
|
|
}
|
|
|
|
fn zzz() { () }
|