Now with tests for the basic algorithms.

src/unsigned/div.rs

@@ -219,4 +219,29 @@ macro_rules! div_impls
             }
         }
     }
+}
+
+#[cfg(test)]
+macro_rules! generate_div_tests {
+    ($name: ident, $lname: ident) => {
+        #[test]
+        fn $lname() {
+            let fname = format!("testdata/div/{}.tests", stringify!($name));
+            run_test(fname.to_string(), 4, |case| {
+                let (neg0, abytes) = case.get("a").unwrap();
+                let (neg1, bbytes) = case.get("b").unwrap();
+                let (neg2, qbytes) = case.get("q").unwrap();
+                let (neg3, rbytes) = case.get("r").unwrap();
+                assert!(!neg0 && !neg1 && !neg2 && !neg3);
+
+                let a = $name::from_bytes(abytes);
+                let b = $name::from_bytes(bbytes);
+                let q = $name::from_bytes(qbytes);
+                let r = $name::from_bytes(rbytes);
+                let (myq, myr) = a.divmod(&b);
+                assert_eq!(q, myq);
+                assert_eq!(r, myr);
+            });
+        }
+    };
 }