1 files changed, 27 insertions, 3 deletions

diff --git a/src/collector.rs b/src/collector.rs
index 7cfb819..099a2ff 100644
--- a/src/collector.rs
+++ b/src/collector.rs
@@ -178,13 +178,18 @@ mod tests {
 
     #[test]
     fn pin_holds_advance() {
+        #[cfg(miri)]
+        const N: usize = 500;
+        #[cfg(not(miri))]
+        const N: usize = 500_000;
+
         let collector = Collector::new();
 
         thread::scope(|scope| {
             for _ in 0..NUM_THREADS {
                 scope.spawn(|_| {
                     let handle = collector.register();
-                    for _ in 0..500_000 {
+                    for _ in 0..N {
                         let guard = &handle.pin();
 
                         let before = collector.global.epoch.load(Ordering::Relaxed);
@@ -202,6 +207,9 @@ mod tests {
     #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to `cfg(crossbeam_sanitize)` reduce `internal::MAX_OBJECTS`
     #[test]
     fn incremental() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -230,12 +238,16 @@ mod tests {
             let guard = &handle.pin();
             collector.global.collect(guard);
         }
-        assert!(DESTROYS.load(Ordering::Relaxed) == 100_000);
+        assert!(DESTROYS.load(Ordering::Relaxed) == COUNT);
     }
 
     #[test]
     fn buffering() {
         const COUNT: usize = 10;
+        #[cfg(miri)]
+        const N: usize = 500;
+        #[cfg(not(miri))]
+        const N: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
         let collector = Collector::new();
@@ -252,7 +264,7 @@ mod tests {
             }
         }
 
-        for _ in 0..100_000 {
+        for _ in 0..N {
             collector.global.collect(&handle.pin());
         }
         assert!(DESTROYS.load(Ordering::Relaxed) < COUNT);
@@ -268,6 +280,9 @@ mod tests {
 
     #[test]
     fn count_drops() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DROPS: AtomicUsize = AtomicUsize::new(0);
 
@@ -301,6 +316,9 @@ mod tests {
 
     #[test]
     fn count_destroy() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -367,6 +385,9 @@ mod tests {
 
     #[test]
     fn destroy_array() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -402,6 +423,9 @@ mod tests {
     #[test]
     fn stress() {
         const THREADS: usize = 8;
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DROPS: AtomicUsize = AtomicUsize::new(0);