Day 13

chinese_remainder/tests/tests.rs

@@ -0,0 +1,36 @@
+#[cfg(test)]
+mod tests {
+    use chinese_remainder::{EGCD, egcd, chinese_remainder};
+
+    #[test]
+    fn test_egcd() {
+        assert_eq!(
+            egcd(25, 7),
+            EGCD {
+                a: 25,
+                b: 7,
+                x: 2,
+                y: -7,
+                gcd: 1,
+            }
+        )
+    }
+    #[test]
+    fn test_cr1() {
+        assert_eq!(
+            chinese_remainder(&[2, 3, 2], &[3, 5, 7]), Some(23));
+    }
+
+    #[test]
+    fn test_cr2() {
+        assert_eq!(
+            chinese_remainder(&[11,22,19], &[10,4,9]), None);
+    }
+
+    #[test]
+    fn test_cr3() {
+        assert_eq!(
+            chinese_remainder(&[10,4,12], &[11,12,13]), Some(1000));
+    }
+
+}