possibility to truncate timeseries with --start/stop cli arguments

tests/integration.rs

@@ -16,21 +16,6 @@ mod integration {
         assert!(out.contains(expected_error));
     }
 
-    #[test]
-    fn data_out_of_bonds() {
-        let output = Command::new("./target/debug/wham")
-            .args(&["--bins", "100", "--min", "2.0", "--max", "3.0", "-T", "300"])
-            .args(&["-f", "example/1d/metadata.dat"])
-            .args(&["-o", "/dev/null"])
-            .output()
-            .expect("failed to execute process");
-        let output = String::from_utf8_lossy(&output.stderr);
-        println!("{}", output);
-        assert!(output.to_string().contains(
-            "No data points in histogram boundaries"
-        ));
-    }
-
     #[test]
     fn unparseable_bias_pos() {
         let output = Command::new("./target/debug/wham")
@@ -107,6 +92,25 @@ mod integration {
         ));
     }
 
+    #[test]
+    fn skip_rows() {
+        let output = Command::new("./target/debug/wham")
+            .args(&["--bins", "100", "--max", "3.14", "--min", "-3.14", "-T", "300", "--cyclic"])
+            .args(&["-f", "example/1d/metadata.dat"])
+            .args(&["-o", "/tmp/wham_test_1d.out"])
+            .args(&["--start", "50", "--end", "60"])
+            .args(&["-v"])
+            .output()
+            .expect("failed to execute process");
+
+        let output = String::from_utf8_lossy(&output.stdout);
+        println!("{}", output);
+        assert!(output.to_string().contains(
+            "25 windows, 12489 datapoints"
+        ));
+    }
+
+
     #[test]
     fn wham_1d() {;
         Command::new("./target/debug/wham")