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Add test for Unique<T>, weak ref counts and ref counts for Weak<T>

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This commit is contained in:
Wesley Wiser 2021-07-12 13:26:01 -04:00
parent d1852e1054
commit 14fdf8a115
3 changed files with 25 additions and 1 deletions
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6
src/etc/natvis/liballoc.natvis
View File

@ -64,12 +64,15 @@
<Expand>
<ExpandedItem>ptr.pointer->value</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::rc::Weak&lt;*&gt;">
<DisplayString>{ptr.pointer->value}</DisplayString>
<Expand>
<ExpandedItem>ptr.pointer->value</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
@ -78,12 +81,15 @@
<Expand>
<ExpandedItem>ptr.pointer->data</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::sync::Weak&lt;*&gt;">
<DisplayString>{ptr.pointer->data}</DisplayString>
<Expand>
<ExpandedItem>ptr.pointer->data</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::borrow::Cow&lt;*&gt;">

12
src/test/debuginfo/marker-types.rs
View File

@ -21,9 +21,17 @@
// cdb-check: [capacity] : 0x4 [Type: unsigned __int64]
// cdb-check: [chars] : "this"
// cdb-command: dx unique
// cdb-check:unique : Unique(0x[...]: (0x2a, 4321)) [Type: core::ptr::unique::Unique<tuple$<u64,i32> >]
// cdb-check: [<Raw View>] [Type: core::ptr::unique::Unique<tuple$<u64,i32> >]
// cdb-check: [0] : 0x2a [Type: unsigned __int64]
// cdb-check: [1] : 4321 [Type: int]
#![feature(ptr_internals)]
use std::mem::ManuallyDrop;
use std::pin::Pin;
use std::ptr::NonNull;
use std::ptr::{NonNull, Unique};
fn main() {
let nonnull: NonNull<_> = (&12u32).into();
@ -33,6 +41,8 @@ fn main() {
let mut s = "this".to_string();
let pin = Pin::new(&mut s);
let unique: Unique<_> = (&mut (42u64, 4321i32)).into();
zzz(); // #break
}

8
src/test/debuginfo/rc_arc.rs
View File

@ -31,29 +31,37 @@
// cdb-check:r,d : 42 [Type: alloc::rc::Rc<i32>]
// cdb-check: [<Raw View>] [Type: alloc::rc::Rc<i32>]
// cdb-check: [Reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-command:dx r1,d
// cdb-check:r1,d : 42 [Type: alloc::rc::Rc<i32>]
// cdb-check: [<Raw View>] [Type: alloc::rc::Rc<i32>]
// cdb-check: [Reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-command:dx w1,d
// cdb-check:w1,d : 42 [Type: alloc::rc::Weak<i32>]
// cdb-check: [<Raw View>] [Type: alloc::rc::Weak<i32>]
// cdb-check: [Reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-check: [Weak reference count] : 2 [Type: core::cell::Cell<usize>]
// cdb-command:dx a,d
// cdb-check:a,d : 42 [Type: alloc::sync::Arc<i32>]
// cdb-check: [<Raw View>] [Type: alloc::sync::Arc<i32>]
// cdb-check: [Reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-command:dx a1,d
// cdb-check:a1,d : 42 [Type: alloc::sync::Arc<i32>]
// cdb-check: [<Raw View>] [Type: alloc::sync::Arc<i32>]
// cdb-check: [Reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-command:dx w2,d
// cdb-check:w2,d : 42 [Type: alloc::sync::Weak<i32>]
// cdb-check: [<Raw View>] [Type: alloc::sync::Weak<i32>]
// cdb-check: [Reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
// cdb-check: [Weak reference count] : 2 [Type: core::sync::atomic::AtomicUsize]
use std::rc::Rc;
use std::sync::Arc;