| // Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // ignore-tidy-linelength |
| // min-lldb-version: 310 |
| |
| // compile-flags:-g |
| |
| // gdb-command:set print union on |
| // gdb-command:run |
| |
| // gdb-command:print case1 |
| // 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}} |
| |
| // gdb-command:print case2 |
| // 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}} |
| |
| // gdb-command:print case3 |
| // 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}} |
| |
| // gdb-command:print univariant |
| // gdb-check:$4 = {{a = -1}} |
| |
| |
| #![feature(omit_gdb_pretty_printer_section)] |
| #![omit_gdb_pretty_printer_section] |
| |
| use self::Regular::{Case1, Case2, Case3}; |
| use self::Univariant::TheOnlyCase; |
| |
| // NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be |
| // substituted with something of size `xx` bits and the same alignment as an integer type of the |
| // same size. |
| |
| // 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<T16, T32, T64> { |
| Case1 { a: T64, b: T16, c: T16, d: T16, e: T16}, |
| Case2 { a: T64, b: T32, c: T32}, |
| Case3 { a: T64, b: T64 } |
| } |
| |
| enum Univariant<T> { |
| TheOnlyCase { a: T } |
| } |
| |
| 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: Regular<u16, u32, i64> = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 }; |
| |
| // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441 |
| // 0b00010001000100010001000100010001 = 286331153 |
| // 0b0001000100010001 = 4369 |
| // 0b00010001 = 17 |
| let case2: Regular<i16, u32, i64> = Case2 { a: 0, b: 286331153, c: 286331153 }; |
| |
| // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897 |
| // 0b01011001010110010101100101011001 = 1499027801 |
| // 0b0101100101011001 = 22873 |
| // 0b01011001 = 89 |
| let case3: Regular<u16, i32, u64> = Case3 { a: 0, b: 6438275382588823897 }; |
| |
| let univariant = TheOnlyCase { a: -1 }; |
| |
| zzz(); // #break |
| } |
| |
| fn zzz() {()} |