Merge branch 'hw6' of https://github.com/themultiplexer/bsys-ws17-grp11 into hw6

hw6/task1/src/unit_test_pipe.rs

@@ -1,6 +1,6 @@
 #[cfg(test)]
 mod test {
-    use read_from_pipe;
+    use ::{read_from_pipe, mul_strings, sum_strings, split_into_strings, concatenate_strings};
     use nix::unistd::{pipe, write};
 
     #[test]
@@ -20,5 +20,31 @@ mod test {
     }
 
     #[test]
-    fn test_kill_last_child() {}
+    fn test_mul_strings() {
+        let input = vec!["32".to_string(), "12".to_string(), "-2".to_string()];
+        assert_eq!(mul_strings(input).unwrap(), -768);
+    }
+
+    #[test]
+    fn test_sum_strings() {
+        let input = vec!["6542".to_string(), "542".to_string(), "192".to_string()];
+        assert_eq!(sum_strings(input).unwrap(), 7276);
+    }
+
+    #[test]
+    fn test_split_strings() {
+        assert_eq!(split_into_strings("Das ist ein Test"), vec!["Das", "ist", "ein", "Test"]);
+    }
+
+    #[test]
+    fn test_split_strings_nums() {
+        assert_eq!(split_into_strings("1 -2 -4 -2 51232"), vec!["1", "-2", "-4", "-2", "51232"]);
+    }
+
+    #[test]
+    fn test_concat_string() {
+        assert_eq!(concatenate_strings("Hello", "World"), "HelloWorld");
+    }
+
+
 }