Add CI code coverage

.travis.yml

@@ -1,3 +1,35 @@
 language: rust
 rust:
   - nightly
+
+env:
+  global:
+  - RUSTFLAGS="-C link-dead-code"
+
+before_install:
+  - sudo apt-get update
+
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev
+      - libelf-dev
+      - libdw-dev
+      - cmake
+      - gcc
+      - binutils-dev
+
+after_success: |
+  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+  tar xzf master.tar.gz &&
+  cd kcov-master &&
+  mkdir build &&
+  cd build &&
+  cmake .. &&
+  make &&
+  sudo make install &&
+  cd ../.. &&
+  rm -rf kcov-master &&
+  for file in target/debug/rudy-*[^\.d]; do mkdir -p "target/cov/$(basename $file)"; kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; done &&
+  bash <(curl -s https://codecov.io/bash) &&
+  echo "Uploaded code coverage"

src/rudymap/mod.rs

@@ -70,19 +70,84 @@ impl<K: Key, V> Default for RudyMap<K, V> {
     }
 }
 
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_insert_get_1() {
+        let mut map = RudyMap::<usize, usize>::new();
+        map.insert(4usize, 10usize);
+        assert_eq!(map.get(4), Some(&10));
+    }
 
-#[test]
-fn test_insert_get_1() {
-    let mut map = RudyMap::<usize, usize>::new();
-    map.insert(4usize, 10usize);
-    assert_eq!(map.get(4), Some(&10));
-}
+    #[test]
+    fn test_insert_get_2() {
+        let mut map = RudyMap::<usize, usize>::new();
+        map.insert(0usize, 10usize);
+        map.insert(1usize, 20usize);
+        assert_eq!(map.get(0), Some(&10));
+        assert_eq!(map.get(1), Some(&20));
+    }
+
+    #[test]
+    fn test_contains_key() {
+        let mut map = RudyMap::<u32, u32>::new();
+        assert_eq!(map.contains_key(0), false);
+        assert_eq!(map.contains_key(1), false);
+
+        assert_eq!(map.insert(0, 0), None);
+        assert_eq!(map.contains_key(0), true);
+        assert_eq!(map.contains_key(1), false);
+
+        assert_eq!(map.remove(0), Some(0));
+        assert_eq!(map.contains_key(0), false);
+        assert_eq!(map.contains_key(1), false);
+    }
+
+    #[test]
+    fn test_len() {
+        let mut map = RudyMap::<u32, u32>::new();
+        assert_eq!(map.len(), 0);
+        assert_eq!(map.is_empty(), true);
+
+        assert_eq!(map.insert(0, 0), None);
+        assert_eq!(map.len(), 1);
+        assert_eq!(map.is_empty(), false);
 
-#[test]
-fn test_insert_get_2() {
-    let mut map = RudyMap::<usize, usize>::new();
-    map.insert(0usize, 10usize);
-    map.insert(1usize, 20usize);
-    assert_eq!(map.get(0), Some(&10));
-    assert_eq!(map.get(1), Some(&20));
+        assert_eq!(map.insert(1, 1), None);
+        assert_eq!(map.len(), 2);
+        assert_eq!(map.is_empty(), false);
+
+        assert_eq!(map.insert(0, 2), Some(0));
+        assert_eq!(map.len(), 2);
+        assert_eq!(map.is_empty(), false);
+
+        assert_eq!(map.remove(0), Some(2));
+        assert_eq!(map.len(), 1);
+        assert_eq!(map.is_empty(), false);
+
+        assert_eq!(map.remove(1), Some(1));
+        assert_eq!(map.len(), 0);
+        assert_eq!(map.is_empty(), true);
+    }
+
+    #[test]
+    fn test_get_mut() {
+        let mut map = RudyMap::<u32, u32>::new();
+        assert!(map.get(0).is_none());
+        assert!(map.get_mut(0).is_none());
+
+        assert_eq!(map.insert(0, 0), None);
+        assert_eq!(map.get(0), Some(&0));
+        assert_eq!(map.get_mut(0), Some(&mut 0));
+        assert_eq!(map.get(1), None);
+        assert_eq!(map.get_mut(1), None);
+
+        *map.get_mut(0).unwrap() += 42;
+        assert_eq!(map.get(0), Some(&42));
+        assert_eq!(map.get_mut(0), Some(&mut 42));
+
+        map.remove(0);
+    }
 }