rust/tests/debuginfo/struct-in-enum.rs

81 lines
2.5 KiB
Rust

//@ min-lldb-version: 1800
//@ compile-flags:-g
// === GDB TESTS ===================================================================================
// gdb-command:set print union on
// gdb-command:run
// gdb-command:print case1
// gdb-check:$1 = struct_in_enum::Regular::Case1(0, struct_in_enum::Struct {x: 2088533116, y: 2088533116, z: 31868})
// gdb-command:print case2
// gdb-check:$2 = struct_in_enum::Regular::Case2(0, 1229782938247303441, 4369)
// gdb-command:print univariant
// gdb-check:$3 = struct_in_enum::Univariant::TheOnlyCase(struct_in_enum::Struct {x: 123, y: 456, z: 789})
// === LLDB TESTS ==================================================================================
// lldb-command:run
// lldb-command:v case1
// lldb-check:[...] Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 })
// lldb-command:v case2
// lldb-check:[...] Case2(0, 1229782938247303441, 4369)
// lldb-command:v univariant
// lldb-check:[...] 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() {()}