test: added unit tests for unit conversions

Author: Sheape

src/lib.rs

@@ -560,6 +560,16 @@ mod tests {
         assert!(ByteSize::pib(1) < ByteSize::eb(1));
     }
 
+    #[test]
+    fn test_conversion() {
+        assert_eq!(ByteSize::gb(43).as_kib(), 41992187.5_f64);
+        assert_eq!(ByteSize::mib(27).as_gb(), 0.028311552_f64);
+        assert_eq!(ByteSize::tib(39).as_pib(), 0.042880953483264_f64);
+        assert_eq!(ByteSize::kib(938948).as_mb(), 961.482752_f64);
+        assert_eq!(ByteSize::pb(4837).as_eib(), 4.195428726649908_f64);
+        assert_eq!(ByteSize::b(2873872874893).as_tib(), 2.613772153284117_f64);
+    }
+
     #[track_caller]
     fn assert_display(expected: &str, b: ByteSize) {
         assert_eq!(expected, format!("{b}"));