src/test/debuginfo/tuple-style-enum.rs

   1 // Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // ignore-tidy-linelength
  12 // min-lldb-version: 310
  13 // ignore-gdb-version: 7.11.90 - 7.12.9
  14
  15 // compile-flags:-g
  16
  17 // === GDB TESTS ===================================================================================
  18
  19 // gdb-command:set print union on
  20 // gdb-command:run
  21
  22 // gdb-command:print case1
  23 // gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = 31868, __2 = 31868, __3 = 31868, __4 = 31868}, {RUST$ENUM$DISR = Case1, [...]}, {RUST$ENUM$DISR = Case1, [...]}}
  24 // gdbr-check:$1 = tuple_style_enum::Regular::Case1(0, 31868, 31868, 31868, 31868)
  25
  26 // gdb-command:print case2
  27 // gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 286331153, __2 = 286331153}, {RUST$ENUM$DISR = Case2, [...]}}
  28 // gdbr-check:$2 = tuple_style_enum::Regular::Case2(0, 286331153, 286331153)
  29
  30 // gdb-command:print case3
  31 // gdbg-check:$3 = {{RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, __0 = 0, __1 = 6438275382588823897}}
  32 // gdbr-check:$3 = tuple_style_enum::Regular::Case3(0, 6438275382588823897)
  33
  34 // gdb-command:print univariant
  35 // gdbg-check:$4 = {{__0 = -1}}
  36 // gdbr-check:$4 = tuple_style_enum::Univariant::TheOnlyCase(-1)
  37
  38
  39 // === LLDB TESTS ==================================================================================
  40
  41 // lldb-command:run
  42
  43 // lldb-command:print case1
  44 // lldb-check:[...]$0 = Case1(0, 31868, 31868, 31868, 31868)
  45
  46 // lldb-command:print case2
  47 // lldb-check:[...]$1 = Case2(0, 286331153, 286331153)
  48
  49 // lldb-command:print case3
  50 // lldb-check:[...]$2 = Case3(0, 6438275382588823897)
  51
  52 // lldb-command:print univariant
  53 // lldb-check:[...]$3 = TheOnlyCase(-1)
  54
  55 #![allow(unused_variables)]
  56 #![feature(omit_gdb_pretty_printer_section)]
  57 #![omit_gdb_pretty_printer_section]
  58
  59 use self::Regular::{Case1, Case2, Case3};
  60 use self::Univariant::TheOnlyCase;
  61
  62 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
  63 // the size of the discriminant value is machine dependent, this has be taken into account when
  64 // datatype layout should be predictable as in this case.
  65 enum Regular {
  66     Case1(u64, u16, u16, u16, u16),
  67     Case2(u64, u32, u32),
  68     Case3(u64, u64)
  69 }
  70
  71 enum Univariant {
  72     TheOnlyCase(i64)
  73 }
  74
  75 fn main() {
  76
  77     // In order to avoid endianness trouble all of the following test values consist of a single
  78     // repeated byte. This way each interpretation of the union should look the same, no matter if
  79     // this is a big or little endian machine.
  80
  81     // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
  82     // 0b01111100011111000111110001111100 = 2088533116
  83     // 0b0111110001111100 = 31868
  84     // 0b01111100 = 124
  85     let case1 = Case1(0, 31868, 31868, 31868, 31868);
  86
  87     // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
  88     // 0b00010001000100010001000100010001 = 286331153
  89     // 0b0001000100010001 = 4369
  90     // 0b00010001 = 17
  91     let case2 = Case2(0, 286331153, 286331153);
  92
  93     // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
  94     // 0b01011001010110010101100101011001 = 1499027801
  95     // 0b0101100101011001 = 22873
  96     // 0b01011001 = 89
  97     let case3 = Case3(0, 6438275382588823897);
  98
  99     let univariant = TheOnlyCase(-1);
 100
 101     zzz(); // #break
 102 }
 103
 104 fn zzz() {()}