package com.matao.chapter01;

public class Q02_CheckPermutationTest {
}

@@ -27,46 +27,644 @@
 1;%0A%0A
-public class Q02_CheckPermutationTest %7B
+import org.junit.jupiter.api.Assertions;%0Aimport org.junit.jupiter.api.Test;%0A%0Apublic class Q02_CheckPermutationTest %7B%0A%0A    @Test%0A    void testNull() %7B%0A        Assertions.assertFalse(Q02_CheckPermutation.permutation(null, null));%0A    %7D%0A%0A    @Test%0A    void testEmptyString() %7B%0A        Assertions.assertTrue(Q02_CheckPermutation.permutation(%22%22, %22%22));%0A    %7D%0A%0A    @Test%0A    void testDifferentLengthString() %7B%0A        Assertions.assertFalse(Q02_CheckPermutation.permutation(%22abc%22, %22abcc%22));%0A    %7D%0A%0A    @Test%0A    void testLongCase() %7B%0A        Assertions.assertTrue(Q02_CheckPermutation.permutation(%22Nice to meet you%22, %22you ot meet ecNi%22));%0A    %7D
 %0A%7D%0A

add test cases for CheckPermutation