Added tests

Author: javadev

src/test/kotlin/g3501_3600/s3508_implement_router/RouterTest.kt

@@ -45,4 +45,26 @@ internal class RouterTest {
         // Return [] and remove it from router.
         assertThat<IntArray>(router.forwardPacket(), equalTo<IntArray>(intArrayOf()))
     }
+
+    @Test
+    fun router3() {
+        // Initialize Router with memoryLimit of 3.
+        val router = Router(3)
+        // Packet is added. Return True.
+        assertThat(router.addPacket(1, 4, 6), equalTo(true))
+        // The only packet with destination 0 and timestamp in the inclusive range
+        assertThat(router.getCount(4, 1, 4), equalTo(0))
+    }
+
+    @Test
+    fun router4() {
+        // Initialize Router with memoryLimit of 2.
+        val router = Router(2)
+        // Packet is added. Return True.
+        assertThat(router.addPacket(2, 5, 1), equalTo(true))
+        // Return [2, 5, 1] and remove it from router.
+        assertThat(router.forwardPacket(), equalTo(intArrayOf(2, 5, 1)))
+        // The only packet with destination 0 and timestamp in the inclusive range
+        assertThat(router.getCount(5, 1, 1), equalTo(0))
+    }
 }

src/test/kotlin/g3501_3600/s3509_maximum_product_of_subsequences_with_an_alternating_sum_equal_to_k/SolutionTest.kt

@@ -25,4 +25,9 @@ internal class SolutionTest {
             equalTo<Int>(9),
         )
     }
+
+    @Test
+    fun maxProduct4() {
+        assertThat(Solution().maxProduct(intArrayOf(12, 0, 9), 21, 20), equalTo(0))
+    }
 }