mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 23:34:48 +00:00
86 lines
2.9 KiB
Rust
86 lines
2.9 KiB
Rust
//@ min-lldb-version: 310
|
|
//@ ignore-gdb-version: 7.11.90 - 7.12.9
|
|
//@ ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
|
|
|
|
//@ compile-flags:-g
|
|
|
|
// === GDB TESTS ===================================================================================
|
|
|
|
// gdb-command:set print union on
|
|
// gdb-command:run
|
|
|
|
// gdb-command:print case1
|
|
// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = {x = 2088533116, y = 2088533116, z = 31868}}, {RUST$ENUM$DISR = Case1, [...]}}
|
|
// gdbr-check:$1 = struct_in_enum::Regular::Case1(0, struct_in_enum::Struct {x: 2088533116, y: 2088533116, z: 31868})
|
|
|
|
// gdb-command:print case2
|
|
// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 1229782938247303441, __2 = 4369}}
|
|
// gdbr-check:$2 = struct_in_enum::Regular::Case2(0, 1229782938247303441, 4369)
|
|
|
|
// gdb-command:print univariant
|
|
// gdbg-check:$3 = {{__0 = {x = 123, y = 456, z = 789}}}
|
|
// gdbr-check:$3 = struct_in_enum::Univariant::TheOnlyCase(struct_in_enum::Struct {x: 123, y: 456, z: 789})
|
|
|
|
|
|
// === LLDB TESTS ==================================================================================
|
|
|
|
// lldb-command:run
|
|
|
|
// lldb-command:print case1
|
|
// lldb-check:[...]$0 = Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 })
|
|
// lldb-command:print case2
|
|
// lldb-check:[...]$1 = Case2(0, 1229782938247303441, 4369)
|
|
|
|
// lldb-command:print univariant
|
|
// lldb-check:[...]$2 = TheOnlyCase(Struct { x: 123, y: 456, z: 789 })
|
|
|
|
#![allow(unused_variables)]
|
|
#![feature(omit_gdb_pretty_printer_section)]
|
|
#![omit_gdb_pretty_printer_section]
|
|
|
|
use self::Regular::{Case1, Case2};
|
|
use self::Univariant::TheOnlyCase;
|
|
|
|
struct Struct {
|
|
x: u32,
|
|
y: i32,
|
|
z: i16
|
|
}
|
|
|
|
// 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, Struct),
|
|
Case2(u64, u64, i16)
|
|
}
|
|
|
|
enum Univariant {
|
|
TheOnlyCase(Struct)
|
|
}
|
|
|
|
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, Struct { x: 2088533116, y: 2088533116, z: 31868 });
|
|
|
|
// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
|
|
// 0b00010001000100010001000100010001 = 286331153
|
|
// 0b0001000100010001 = 4369
|
|
// 0b00010001 = 17
|
|
let case2 = Case2(0, 1229782938247303441, 4369);
|
|
|
|
let univariant = TheOnlyCase(Struct { x: 123, y: 456, z: 789 });
|
|
|
|
zzz(); // #break
|
|
}
|
|
|
|
fn zzz() {()}
|