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.
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.
11 // ignore-tidy-linelength
12 // min-lldb-version: 310
16 // gdb-command:set print union on
19 // gdb-command:print case1
20 // 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}}
22 // gdb-command:print case2
23 // 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}}
25 // gdb-command:print case3
26 // 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}}
28 // gdb-command:print univariant
29 // gdb-check:$4 = {{a = -1}}
32 #![feature(omit_gdb_pretty_printer_section)]
33 #![omit_gdb_pretty_printer_section]
35 use self::Regular::{Case1, Case2, Case3};
36 use self::Univariant::TheOnlyCase;
38 // NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
39 // substituted with something of size `xx` bits and the same alignment as an integer type of the
42 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
43 // the size of the discriminant value is machine dependent, this has be taken into account when
44 // datatype layout should be predictable as in this case.
45 enum Regular<T16, T32, T64> {
46 Case1 { a: T64, b: T16, c: T16, d: T16, e: T16},
47 Case2 { a: T64, b: T32, c: T32},
48 Case3 { a: T64, b: T64 }
57 // In order to avoid endianness trouble all of the following test values consist of a single
58 // repeated byte. This way each interpretation of the union should look the same, no matter if
59 // this is a big or little endian machine.
61 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
62 // 0b01111100011111000111110001111100 = 2088533116
63 // 0b0111110001111100 = 31868
65 let case1: Regular<u16, u32, i64> = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 };
67 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
68 // 0b00010001000100010001000100010001 = 286331153
69 // 0b0001000100010001 = 4369
71 let case2: Regular<i16, u32, i64> = Case2 { a: 0, b: 286331153, c: 286331153 };
73 // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
74 // 0b01011001010110010101100101011001 = 1499027801
75 // 0b0101100101011001 = 22873
77 let case3: Regular<u16, i32, u64> = Case3 { a: 0, b: 6438275382588823897 };
79 let univariant = TheOnlyCase { a: -1 };