Move util crate unit tests into a new unit_tests crate

tests/unit/util/vec.rs

@@ -0,0 +1,64 @@
+use std::fmt::Debug;
+use util::vec::BinarySearchMethods;
+
+#[cfg(test)]
+fn test_find_all_elems<T: PartialEq + PartialOrd + Eq + Ord>(arr: &[T]) {
+    let mut i = 0;
+    while i < arr.len() {
+        assert!(test_match(&arr[i], arr.binary_search_(&arr[i])));
+        i += 1;
+    }
+}
+
+#[cfg(test)]
+fn test_miss_all_elems<T: PartialEq + PartialOrd + Eq + Ord + Debug>(arr: &[T], misses: &[T]) {
+    let mut i = 0;
+    while i < misses.len() {
+        let res = arr.binary_search_(&misses[i]);
+        println!("{:?} == {:?} ?", misses[i], res);
+        assert!(!test_match(&misses[i], arr.binary_search_(&misses[i])));
+        i += 1;
+    }
+}
+
+#[cfg(test)]
+fn test_match<T: PartialEq>(b: &T, a: Option<&T>) -> bool {
+    match a {
+        None => false,
+        Some(t) => t == b
+    }
+}
+
+#[test]
+fn should_find_all_elements() {
+    let arr_odd = [1u32, 2, 4, 6, 7, 8, 9];
+    let arr_even = [1u32, 2, 5, 6, 7, 8, 9, 42];
+    let arr_double = [1u32, 1, 2, 2, 6, 8, 22];
+    let arr_one = [234986325u32];
+    let arr_two = [3044u32, 8393];
+    let arr_three = [12u32, 23, 34];
+
+    test_find_all_elems(&arr_odd);
+    test_find_all_elems(&arr_even);
+    test_find_all_elems(&arr_double);
+    test_find_all_elems(&arr_one);
+    test_find_all_elems(&arr_two);
+    test_find_all_elems(&arr_three);
+}
+
+#[test]
+fn should_not_find_missing_elements() {
+    let arr_odd = [1u32, 2, 4, 6, 7, 8, 9];
+    let arr_even = [1u32, 2, 5, 6, 7, 8, 9, 42];
+    let arr_double = [1u32, 1, 2, 2, 6, 8, 22];
+    let arr_one = [234986325u32];
+    let arr_two = [3044u32, 8393];
+    let arr_three = [12u32, 23, 34];
+
+    test_miss_all_elems(&arr_odd, &[-22, 0, 3, 5, 34938, 10, 11, 12]);
+    test_miss_all_elems(&arr_even, &[-1, 0, 3, 34938, 10, 11, 12]);
+    test_miss_all_elems(&arr_double, &[-1, 0, 3, 4, 34938, 10, 11, 12, 234, 234, 33]);
+    test_miss_all_elems(&arr_one, &[-1, 0, 3, 34938, 10, 11, 12, 234, 234, 33]);
+    test_miss_all_elems(&arr_two, &[-1, 0, 3, 34938, 10, 11, 12, 234, 234, 33]);
+    test_miss_all_elems(&arr_three, &[-2, 0, 1, 2, 3, 34938, 10, 11, 234, 234, 33]);
+}