UPDATE: Dump of initial files

base/src/test/test_binary_search.rs

@@ -0,0 +1,28 @@
+use crate::functions::binary_search::*;
+
+#[test]
+fn test_binary_search() {
+    let t = vec![1, 2, 3, 40, 55, 155];
+    assert_eq!(binary_search_or_smaller(&40, &t), Some(3));
+    assert_eq!(binary_search_or_greater(&40, &t), Some(3));
+    assert_eq!(binary_search_or_smaller(&45, &t), Some(3));
+    assert_eq!(binary_search_or_greater(&45, &t), Some(4));
+}
+
+#[test]
+fn test_binary_search_descending() {
+    let t = vec![100, 33, 23, 14, 5, -155];
+    assert_eq!(binary_search_descending_or_smaller(&23, &t), Some(2));
+    assert_eq!(binary_search_descending_or_greater(&23, &t), Some(2));
+    assert_eq!(binary_search_descending_or_smaller(&25, &t), Some(2));
+    assert_eq!(binary_search_descending_or_greater(&25, &t), Some(1));
+}
+
+#[test]
+fn test_binary_search_multiple() {
+    let t = vec![1, 2, 3, 40, 40, 40, 40, 55, 155];
+    assert_eq!(binary_search_or_smaller(&40, &t), Some(3));
+    assert_eq!(binary_search_or_smaller(&39, &t), Some(2));
+    assert_eq!(binary_search_or_greater(&40, &t), Some(3));
+    assert_eq!(binary_search_or_greater(&41, &t), Some(7));
+}