]> git.proxmox.com Git - rustc.git/blob - src/test/debuginfo/constant-in-match-pattern.rs
Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / debuginfo / constant-in-match-pattern.rs
1 // Copyright 2013-2015 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 // min-lldb-version: 310
12
13 // compile-flags:-g
14
15 #![allow(dead_code, unused_variables)]
16 #![feature(omit_gdb_pretty_printer_section)]
17 #![omit_gdb_pretty_printer_section]
18
19 // This test makes sure that the compiler doesn't crash when trying to assign
20 // debug locations to 'constant' patterns in match expressions.
21
22 const CONSTANT: u64 = 3;
23
24 #[derive(PartialEq, Eq)]
25 struct Struct {
26 a: isize,
27 b: usize,
28 }
29 const STRUCT: Struct = Struct { a: 1, b: 2 };
30
31 #[derive(PartialEq, Eq)]
32 struct TupleStruct(u32);
33 const TUPLE_STRUCT: TupleStruct = TupleStruct(4);
34
35 #[derive(PartialEq, Eq)]
36 enum Enum {
37 Variant1(char),
38 Variant2 { a: u8 },
39 Variant3
40 }
41 const VARIANT1: Enum = Enum::Variant1('v');
42 const VARIANT2: Enum = Enum::Variant2 { a: 2 };
43 const VARIANT3: Enum = Enum::Variant3;
44
45 const STRING: &'static str = "String";
46
47 fn main() {
48
49 match 1 {
50 CONSTANT => {}
51 _ => {}
52 };
53
54 // if let 3 = CONSTANT {}
55
56 match (Struct { a: 2, b: 2 }) {
57 STRUCT => {}
58 _ => {}
59 };
60
61 // if let STRUCT = STRUCT {}
62
63 match TupleStruct(3) {
64 TUPLE_STRUCT => {}
65 _ => {}
66 };
67
68 // if let TupleStruct(4) = TUPLE_STRUCT {}
69
70 match VARIANT3 {
71 VARIANT1 => {},
72 VARIANT2 => {},
73 VARIANT3 => {},
74 _ => {}
75 };
76
77 match (VARIANT3, VARIANT2) {
78 (VARIANT1, VARIANT3) => {},
79 (VARIANT2, VARIANT2) => {},
80 (VARIANT3, VARIANT1) => {},
81 _ => {}
82 };
83
84 // if let VARIANT1 = Enum::Variant3 {}
85 // if let VARIANT2 = Enum::Variant3 {}
86 // if let VARIANT3 = Enum::Variant3 {}
87
88 match "abc" {
89 STRING => {},
90 _ => {}
91 }
92
93 if let STRING = "def" {}
94 }