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-rw-r--r--library/alloc/src/testing/crash_test.rs120
1 files changed, 0 insertions, 120 deletions
diff --git a/library/alloc/src/testing/crash_test.rs b/library/alloc/src/testing/crash_test.rs
deleted file mode 100644
index 8e00e4f41e5..00000000000
--- a/library/alloc/src/testing/crash_test.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-use std::cmp::Ordering;
-use std::sync::atomic::AtomicUsize;
-use std::sync::atomic::Ordering::SeqCst;
-
-use crate::fmt::Debug; // the `Debug` trait is the only thing we use from `crate::fmt`
-
-/// A blueprint for crash test dummy instances that monitor particular events.
-/// Some instances may be configured to panic at some point.
-/// Events are `clone`, `drop` or some anonymous `query`.
-///
-/// Crash test dummies are identified and ordered by an id, so they can be used
-/// as keys in a BTreeMap.
-#[derive(Debug)]
-pub(crate) struct CrashTestDummy {
-    pub id: usize,
-    cloned: AtomicUsize,
-    dropped: AtomicUsize,
-    queried: AtomicUsize,
-}
-
-impl CrashTestDummy {
-    /// Creates a crash test dummy design. The `id` determines order and equality of instances.
-    pub(crate) fn new(id: usize) -> CrashTestDummy {
-        CrashTestDummy {
-            id,
-            cloned: AtomicUsize::new(0),
-            dropped: AtomicUsize::new(0),
-            queried: AtomicUsize::new(0),
-        }
-    }
-
-    /// Creates an instance of a crash test dummy that records what events it experiences
-    /// and optionally panics.
-    pub(crate) fn spawn(&self, panic: Panic) -> Instance<'_> {
-        Instance { origin: self, panic }
-    }
-
-    /// Returns how many times instances of the dummy have been cloned.
-    pub(crate) fn cloned(&self) -> usize {
-        self.cloned.load(SeqCst)
-    }
-
-    /// Returns how many times instances of the dummy have been dropped.
-    pub(crate) fn dropped(&self) -> usize {
-        self.dropped.load(SeqCst)
-    }
-
-    /// Returns how many times instances of the dummy have had their `query` member invoked.
-    pub(crate) fn queried(&self) -> usize {
-        self.queried.load(SeqCst)
-    }
-}
-
-#[derive(Debug)]
-pub(crate) struct Instance<'a> {
-    origin: &'a CrashTestDummy,
-    panic: Panic,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
-pub(crate) enum Panic {
-    Never,
-    InClone,
-    InDrop,
-    InQuery,
-}
-
-impl Instance<'_> {
-    pub(crate) fn id(&self) -> usize {
-        self.origin.id
-    }
-
-    /// Some anonymous query, the result of which is already given.
-    pub(crate) fn query<R>(&self, result: R) -> R {
-        self.origin.queried.fetch_add(1, SeqCst);
-        if self.panic == Panic::InQuery {
-            panic!("panic in `query`");
-        }
-        result
-    }
-}
-
-impl Clone for Instance<'_> {
-    fn clone(&self) -> Self {
-        self.origin.cloned.fetch_add(1, SeqCst);
-        if self.panic == Panic::InClone {
-            panic!("panic in `clone`");
-        }
-        Self { origin: self.origin, panic: Panic::Never }
-    }
-}
-
-impl Drop for Instance<'_> {
-    fn drop(&mut self) {
-        self.origin.dropped.fetch_add(1, SeqCst);
-        if self.panic == Panic::InDrop {
-            panic!("panic in `drop`");
-        }
-    }
-}
-
-impl PartialOrd for Instance<'_> {
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        self.id().partial_cmp(&other.id())
-    }
-}
-
-impl Ord for Instance<'_> {
-    fn cmp(&self, other: &Self) -> Ordering {
-        self.id().cmp(&other.id())
-    }
-}
-
-impl PartialEq for Instance<'_> {
-    fn eq(&self, other: &Self) -> bool {
-        self.id().eq(&other.id())
-    }
-}
-
-impl Eq for Instance<'_> {}