mirror of https://github.com/rust-lang/rust
146 lines
5.9 KiB
Rust
146 lines
5.9 KiB
Rust
//@ ignore-windows-gnu: pretty-printers are not loaded
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//@ compile-flags:-g
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//@ min-gdb-version: 8.1
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//@ min-cdb-version: 10.0.18317.1001
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// === GDB TESTS ==================================================================================
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// gdb-command:run
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// gdb-command:print rc
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// gdb-check:[...]$1 = Rc(strong=11, weak=1) = {value = 111, strong = 11, weak = 1}
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// gdb-command:print arc
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// gdb-check:[...]$2 = Arc(strong=21, weak=1) = {value = 222, strong = 21, weak = 1}
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// === LLDB TESTS ==================================================================================
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// lldb-command:run
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// lldb-command:v rc
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// lldb-check:[...] strong=11, weak=1 { value = 111 }
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// lldb-command:v arc
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// lldb-check:[...] strong=21, weak=1 { data = 222 }
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// === CDB TESTS ==================================================================================
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// cdb-command:g
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// cdb-command:dx rc,d
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// cdb-check:rc,d : 111 [Type: alloc::rc::Rc<i32,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 11 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-command:dx weak_rc,d
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// cdb-check:weak_rc,d : 111 [Type: alloc::rc::Weak<i32,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 11 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-command:dx arc,d
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// cdb-check:arc,d : 222 [Type: alloc::sync::Arc<i32,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 21 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-command:dx weak_arc,d
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// cdb-check:weak_arc,d : 222 [Type: alloc::sync::Weak<i32,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 21 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-command:dx dyn_rc,d
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// cdb-check:dyn_rc,d [Type: alloc::rc::Rc<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 31 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-command:dx dyn_rc_weak,d
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// cdb-check:dyn_rc_weak,d [Type: alloc::rc::Weak<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 31 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-command:dx slice_rc,d
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// cdb-check:slice_rc,d : { len=3 } [Type: alloc::rc::Rc<slice2$<u32>,alloc::alloc::Global>]
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// cdb-check: [Length] : 3 [Type: [...]]
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// cdb-check: [Reference count] : 41 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-check: [0] : 1 [Type: u32]
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// cdb-check: [1] : 2 [Type: u32]
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// cdb-check: [2] : 3 [Type: u32]
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// cdb-command:dx slice_rc_weak,d
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// cdb-check:slice_rc_weak,d : { len=3 } [Type: alloc::rc::Weak<slice2$<u32>,alloc::alloc::Global>]
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// cdb-check: [Length] : 3 [Type: [...]]
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// cdb-check: [Reference count] : 41 [Type: core::cell::Cell<usize>]
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// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
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// cdb-check: [0] : 1 [Type: u32]
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// cdb-check: [1] : 2 [Type: u32]
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// cdb-check: [2] : 3 [Type: u32]
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// cdb-command:dx dyn_arc,d
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// cdb-check:dyn_arc,d [Type: alloc::sync::Arc<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 51 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-command:dx dyn_arc_weak,d
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// cdb-check:dyn_arc_weak,d [Type: alloc::sync::Weak<dyn$<core::fmt::Debug>,alloc::alloc::Global>]
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// cdb-check: [Reference count] : 51 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-command:dx slice_arc,d
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// cdb-check:slice_arc,d : { len=3 } [Type: alloc::sync::Arc<slice2$<u32>,alloc::alloc::Global>]
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// cdb-check: [Length] : 3 [Type: [...]]
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// cdb-check: [Reference count] : 61 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [0] : 4 [Type: u32]
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// cdb-check: [1] : 5 [Type: u32]
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// cdb-check: [2] : 6 [Type: u32]
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// cdb-command:dx slice_arc_weak,d
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// cdb-check:slice_arc_weak,d : { len=3 } [Type: alloc::sync::Weak<slice2$<u32>,alloc::alloc::Global>]
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// cdb-check: [Length] : 3 [Type: [...]]
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// cdb-check: [Reference count] : 61 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
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// cdb-check: [0] : 4 [Type: u32]
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// cdb-check: [1] : 5 [Type: u32]
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// cdb-check: [2] : 6 [Type: u32]
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use std::fmt::Debug;
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use std::rc::Rc;
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use std::sync::Arc;
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fn main() {
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let rc = Rc::new(111);
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inc_ref_count(&rc, 10);
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let weak_rc = Rc::downgrade(&rc);
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let arc = Arc::new(222);
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inc_ref_count(&arc, 20);
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let weak_arc = Arc::downgrade(&arc);
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let dyn_rc: Rc<dyn Debug> = Rc::new(333);
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inc_ref_count(&dyn_rc, 30);
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let dyn_rc_weak = Rc::downgrade(&dyn_rc);
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let slice_rc: Rc<[u32]> = Rc::from(vec![1, 2, 3]);
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inc_ref_count(&slice_rc, 40);
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let slice_rc_weak = Rc::downgrade(&slice_rc);
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let dyn_arc: Arc<dyn Debug> = Arc::new(444);
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inc_ref_count(&dyn_arc, 50);
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let dyn_arc_weak = Arc::downgrade(&dyn_arc);
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let slice_arc: Arc<[u32]> = Arc::from(vec![4, 5, 6]);
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inc_ref_count(&slice_arc, 60);
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let slice_arc_weak = Arc::downgrade(&slice_arc);
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zzz(); // #break
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}
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fn inc_ref_count<T: Clone>(rc: &T, count: usize) {
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for _ in 0..count {
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std::mem::forget(rc.clone());
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}
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}
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fn zzz() {
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()
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}
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