// 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] // cdb-check: [Reference count] : 11 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // cdb-command:dx weak_rc,d // cdb-check:weak_rc,d : 111 [Type: alloc::rc::Weak] // cdb-check: [Reference count] : 11 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // cdb-command:dx arc,d // cdb-check:arc,d : 222 [Type: alloc::sync::Arc] // 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] // 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,alloc::alloc::Global>] // cdb-check: [Reference count] : 31 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // cdb-command:dx dyn_rc_weak,d // cdb-check:dyn_rc_weak,d [Type: alloc::rc::Weak,alloc::alloc::Global>] // cdb-check: [Reference count] : 31 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // cdb-command:dx slice_rc,d // cdb-check:slice_rc,d : { len=3 } [Type: alloc::rc::Rc,alloc::alloc::Global>] // cdb-check: [Length] : 3 [Type: [...]] // cdb-check: [Reference count] : 41 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // 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,alloc::alloc::Global>] // cdb-check: [Length] : 3 [Type: [...]] // cdb-check: [Reference count] : 41 [Type: core::cell::Cell] // cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell] // 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,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,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,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,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 = 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 = 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(rc: &T, count: usize) { for _ in 0..count { std::mem::forget(rc.clone()); } } fn zzz() { () }