Add miri and santitizer tests to CI

Cargo.toml

@@ -19,10 +19,16 @@ azure-devops = { project = "jonhoo/jonhoo", pipeline = "flurry", build = "15" }
 codecov = { repository = "jonhoo/flurry", branch = "master", service = "github" }
 maintenance = { status = "experimental" }
 
+[features]
+sanitize = ['crossbeam-epoch/sanitize']
+
 [dependencies]
-crossbeam-epoch = "0.8"
+crossbeam-epoch = "0.9"
 parking_lot = "0.10"
 num_cpus = "1.12.0"
 
 [dev-dependencies]
 rand = "0.7"
+
+[patch.crates-io]
+crossbeam-epoch = { git = "https://github.com/cynecx/crossbeam.git", branch = "fix-unsoundness" }

azure-pipelines.yml

@@ -29,6 +29,45 @@ jobs:
        condition: ne(variables.CACHE_RESTORED, 'true')
      - script: cargo deny check
        displayName: cargo deny
+ - job: miri
+   displayName: "Run miri on test suite"
+   dependsOn: deny
+   continueOnError: true # since miri sometimes isn't on nightly
+   pool:
+     vmImage: ubuntu-16.04
+   steps:
+     - template: install-rust.yml@templates
+       parameters:
+         rust: nightly
+         components:
+           - miri
+     # ignore leaks due to https://github.com/crossbeam-rs/crossbeam/issues/464
+     - bash: yes | cargo miri -Zmiri-ignore-leaks test
+       displayName: cargo miri test
+ - job: asan
+   dependsOn: deny
+   displayName: "Run address sanitizer on test suite"
+   pool:
+     vmImage: ubuntu-16.04
+   steps:
+     - template: install-rust.yml@templates
+       parameters:
+         rust: nightly
+     - script: |
+           env ASAN_OPTIONS="detect_odr_violation=0" RUSTFLAGS="-Z sanitizer=address" cargo test --release --features sanitize
+       displayName: cargo -Z sanitizer=address test
+ - job: lsan
+   dependsOn: deny
+   displayName: "Run leak sanitizer on test suite"
+   pool:
+     vmImage: ubuntu-16.04
+   steps:
+     - template: install-rust.yml@templates
+       parameters:
+         rust: nightly
+     - script: |
+           env RUSTFLAGS="-Z sanitizer=leak" cargo test --release --features sanitize
+       displayName: cargo -Z sanitizer=leak test
 
 resources:
   repositories:

src/map.rs

@@ -1441,6 +1441,7 @@ where
     }
 }
 
+#[cfg(not(miri))]
 #[inline]
 /// Returns the number of physical CPUs in the machine (_O(1)_).
 fn num_cpus() -> usize {
@@ -1449,6 +1450,12 @@ fn num_cpus() -> usize {
     NCPU.load(Ordering::Relaxed)
 }
 
+#[cfg(miri)]
+#[inline]
+const fn num_cpus() -> usize {
+    1
+}
+
 #[test]
 fn capacity() {
     let map = HashMap::<usize, usize>::new();