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 // ignore-android: FIXME(#10381)
13 // min-lldb-version: 310
17 // === GDB TESTS ===================================================================================
19 // gdb-command:set print union on
22 // gdb-command:print case1
23 // gdb-check:$1 = {{RUST$ENUM$DISR = Case1, 0, 31868, 31868, 31868, 31868}, {RUST$ENUM$DISR = Case1, 0, 2088533116, 2088533116}, {RUST$ENUM$DISR = Case1, 0, 8970181431921507452}}
25 // gdb-command:print case2
26 // gdb-check:$2 = {{RUST$ENUM$DISR = Case2, 0, 4369, 4369, 4369, 4369}, {RUST$ENUM$DISR = Case2, 0, 286331153, 286331153}, {RUST$ENUM$DISR = Case2, 0, 1229782938247303441}}
28 // gdb-command:print case3
29 // gdb-check:$3 = {{RUST$ENUM$DISR = Case3, 0, 22873, 22873, 22873, 22873}, {RUST$ENUM$DISR = Case3, 0, 1499027801, 1499027801}, {RUST$ENUM$DISR = Case3, 0, 6438275382588823897}}
31 // gdb-command:print univariant
32 // gdb-check:$4 = {{-1}}
35 // === LLDB TESTS ==================================================================================
39 // lldb-command:print case1
40 // lldb-check:[...]$0 = Case1(0, 31868, 31868, 31868, 31868)
42 // lldb-command:print case2
43 // lldb-check:[...]$1 = Case2(0, 286331153, 286331153)
45 // lldb-command:print case3
46 // lldb-check:[...]$2 = Case3(0, 6438275382588823897)
48 // lldb-command:print univariant
49 // lldb-check:[...]$3 = TheOnlyCase(-1)
51 #![omit_gdb_pretty_printer_section]
53 use self::Regular::{Case1, Case2, Case3};
54 use self::Univariant::TheOnlyCase;
56 // NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
57 // substituted with something of size `xx` bits and the same alignment as an integer type of the
60 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
61 // the size of the discriminant value is machine dependent, this has be taken into account when
62 // datatype layout should be predictable as in this case.
63 enum Regular<T16, T32, T64> {
64 Case1(T64, T16, T16, T16, T16),
69 enum Univariant<T64> {
75 // In order to avoid endianess trouble all of the following test values consist of a single
76 // repeated byte. This way each interpretation of the union should look the same, no matter if
77 // this is a big or little endian machine.
79 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
80 // 0b01111100011111000111110001111100 = 2088533116
81 // 0b0111110001111100 = 31868
83 let case1: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
85 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
86 // 0b00010001000100010001000100010001 = 286331153
87 // 0b0001000100010001 = 4369
89 let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
91 // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
92 // 0b01011001010110010101100101011001 = 1499027801
93 // 0b0101100101011001 = 22873
95 let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
97 let univariant = TheOnlyCase(-1_i64);