src/test/debuginfo/struct-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
  14 // compile-flags:-g
  15
  16 // === GDB TESTS ===================================================================================
  17
  18 // gdb-command:set print union on
  19 // gdb-command:run
  20
  21 // gdb-command:print case1
  22 // gdb-check:$1 = {{RUST$ENUM$DISR = Case1, a = 0, b = 31868, c = 31868, d = 31868, e = 31868}, {RUST$ENUM$DISR = Case1, a = 0, b = 2088533116, c = 2088533116}, {RUST$ENUM$DISR = Case1, a = 0, b = 8970181431921507452}}
  23
  24 // gdb-command:print case2
  25 // gdb-check:$2 = {{RUST$ENUM$DISR = Case2, a = 0, b = 4369, c = 4369, d = 4369, e = 4369}, {RUST$ENUM$DISR = Case2, a = 0, b = 286331153, c = 286331153}, {RUST$ENUM$DISR = Case2, a = 0, b = 1229782938247303441}}
  26
  27 // gdb-command:print case3
  28 // gdb-check:$3 = {{RUST$ENUM$DISR = Case3, a = 0, b = 22873, c = 22873, d = 22873, e = 22873}, {RUST$ENUM$DISR = Case3, a = 0, b = 1499027801, c = 1499027801}, {RUST$ENUM$DISR = Case3, a = 0, b = 6438275382588823897}}
  29
  30 // gdb-command:print univariant
  31 // gdb-check:$4 = {{a = -1}}
  32
  33
  34 // === LLDB TESTS ==================================================================================
  35
  36 // lldb-command:run
  37
  38 // lldb-command:print case1
  39 // lldb-check:[...]$0 = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 }
  40
  41 // lldb-command:print case2
  42 // lldb-check:[...]$1 = Case2 { a: 0, b: 286331153, c: 286331153 }
  43
  44 // lldb-command:print case3
  45 // lldb-check:[...]$2 = Case3 { a: 0, b: 6438275382588823897 }
  46
  47 // lldb-command:print univariant
  48 // lldb-check:[...]$3 = TheOnlyCase { a: -1 }
  49
  50 #![allow(unused_variables)]
  51 #![omit_gdb_pretty_printer_section]
  52
  53 use self::Regular::{Case1, Case2, Case3};
  54 use self::Univariant::TheOnlyCase;
  55
  56 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
  57 // the size of the discriminant value is machine dependent, this has be taken into account when
  58 // datatype layout should be predictable as in this case.
  59 enum Regular {
  60     Case1 { a: u64, b: u16, c: u16, d: u16, e: u16},
  61     Case2 { a: u64, b: u32, c: u32},
  62     Case3 { a: u64, b: u64 }
  63 }
  64
  65 enum Univariant {
  66     TheOnlyCase { a: i64 }
  67 }
  68
  69 fn main() {
  70
  71     // In order to avoid endianness trouble all of the following test values consist of a single
  72     // repeated byte. This way each interpretation of the union should look the same, no matter if
  73     // this is a big or little endian machine.
  74
  75     // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
  76     // 0b01111100011111000111110001111100 = 2088533116
  77     // 0b0111110001111100 = 31868
  78     // 0b01111100 = 124
  79     let case1 = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 };
  80
  81     // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
  82     // 0b00010001000100010001000100010001 = 286331153
  83     // 0b0001000100010001 = 4369
  84     // 0b00010001 = 17
  85     let case2 = Case2 { a: 0, b: 286331153, c: 286331153 };
  86
  87     // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
  88     // 0b01011001010110010101100101011001 = 1499027801
  89     // 0b0101100101011001 = 22873
  90     // 0b01011001 = 89
  91     let case3 = Case3 { a: 0, b: 6438275382588823897 };
  92
  93     let univariant = TheOnlyCase { a: -1 };
  94
  95     zzz(); // #break
  96 }
  97
  98 fn zzz() {()}