summaryrefslogtreecommitdiffstats
path: root/tests/debuginfo/rc_arc.rs
blob: 1d07bd76eabd10e47400e3ba3f9b6276852c8f70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
// ignore-windows-gnu: pretty-printers are not loaded
// compile-flags:-g

// min-gdb-version: 8.1
// min-cdb-version: 10.0.18317.1001

// === GDB TESTS ==================================================================================

// gdb-command:run

// gdb-command:print rc
// gdb-check:[...]$1 = Rc(strong=11, weak=1) = {value = 111, strong = 11, weak = 1}
// gdb-command:print arc
// gdb-check:[...]$2 = Arc(strong=21, weak=1) = {value = 222, strong = 21, weak = 1}

// === LLDB TESTS ==================================================================================

// lldb-command:run

// lldb-command:print rc
// lldb-check:[...]$0 = strong=11, weak=1 { value = 111 }
// lldb-command:print arc
// lldb-check:[...]$1 = strong=21, weak=1 { data = 222 }

// === CDB TESTS ==================================================================================

// cdb-command:g

// cdb-command:dx rc,d
// cdb-check:rc,d             : 111 [Type: alloc::rc::Rc<i32,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 11 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]

// cdb-command:dx weak_rc,d
// cdb-check:weak_rc,d        : 111 [Type: alloc::rc::Weak<i32,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 11 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]

// cdb-command:dx arc,d
// cdb-check:arc,d            : 222 [Type: alloc::sync::Arc<i32,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 21 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]

// cdb-command:dx weak_arc,d
// cdb-check:weak_arc,d       : 222 [Type: alloc::sync::Weak<i32,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 21 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]

// cdb-command:dx dyn_rc,d
// cdb-check:dyn_rc,d         [Type: alloc::rc::Rc<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 31 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]

// cdb-command:dx dyn_rc_weak,d
// cdb-check:dyn_rc_weak,d    [Type: alloc::rc::Weak<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 31 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]

// cdb-command:dx slice_rc,d
// cdb-check:slice_rc,d       : { len=3 } [Type: alloc::rc::Rc<slice2$<u32>,alloc::alloc::Global>]
// cdb-check:    [Length]         : 3 [Type: [...]]
// cdb-check:    [Reference count] : 41 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-check:    [0]              : 1 [Type: u32]
// cdb-check:    [1]              : 2 [Type: u32]
// cdb-check:    [2]              : 3 [Type: u32]

// cdb-command:dx slice_rc_weak,d
// cdb-check:slice_rc_weak,d  : { len=3 } [Type: alloc::rc::Weak<slice2$<u32>,alloc::alloc::Global>]
// cdb-check:    [Length]         : 3 [Type: [...]]
// cdb-check:    [Reference count] : 41 [Type: core::cell::Cell<usize>]
// cdb-check:    [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-check:    [0]              : 1 [Type: u32]
// cdb-check:    [1]              : 2 [Type: u32]
// cdb-check:    [2]              : 3 [Type: u32]

// cdb-command:dx dyn_arc,d
// cdb-check:dyn_arc,d        [Type: alloc::sync::Arc<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 51 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]

// cdb-command:dx dyn_arc_weak,d
// cdb-check:dyn_arc_weak,d   [Type: alloc::sync::Weak<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
// cdb-check:    [Reference count] : 51 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]

// cdb-command:dx slice_arc,d
// cdb-check:slice_arc,d      : { len=3 } [Type: alloc::sync::Arc<slice2$<u32>,alloc::alloc::Global>]
// cdb-check:    [Length]         : 3 [Type: [...]]
// cdb-check:    [Reference count] : 61 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [0]              : 4 [Type: u32]
// cdb-check:    [1]              : 5 [Type: u32]
// cdb-check:    [2]              : 6 [Type: u32]

// cdb-command:dx slice_arc_weak,d
// cdb-check:slice_arc_weak,d : { len=3 } [Type: alloc::sync::Weak<slice2$<u32>,alloc::alloc::Global>]
// cdb-check:    [Length]         : 3 [Type: [...]]
// cdb-check:    [Reference count] : 61 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-check:    [0]              : 4 [Type: u32]
// cdb-check:    [1]              : 5 [Type: u32]
// cdb-check:    [2]              : 6 [Type: u32]

use std::fmt::Debug;
use std::rc::Rc;
use std::sync::Arc;

fn main() {
    let rc = Rc::new(111);
    inc_ref_count(&rc, 10);
    let weak_rc = Rc::downgrade(&rc);

    let arc = Arc::new(222);
    inc_ref_count(&arc, 20);
    let weak_arc = Arc::downgrade(&arc);

    let dyn_rc: Rc<dyn Debug> = Rc::new(333);
    inc_ref_count(&dyn_rc, 30);
    let dyn_rc_weak = Rc::downgrade(&dyn_rc);

    let slice_rc: Rc<[u32]> = Rc::from(vec![1, 2, 3]);
    inc_ref_count(&slice_rc, 40);
    let slice_rc_weak = Rc::downgrade(&slice_rc);

    let dyn_arc: Arc<dyn Debug> = Arc::new(444);
    inc_ref_count(&dyn_arc, 50);
    let dyn_arc_weak = Arc::downgrade(&dyn_arc);

    let slice_arc: Arc<[u32]> = Arc::from(vec![4, 5, 6]);
    inc_ref_count(&slice_arc, 60);
    let slice_arc_weak = Arc::downgrade(&slice_arc);

    zzz(); // #break
}

fn inc_ref_count<T: Clone>(rc: &T, count: usize) {
    for _ in 0..count {
        std::mem::forget(rc.clone());
    }
}

fn zzz() {
    ()
}