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Commit57d69f8

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using MCC standar for structure tesing to Solution028
1 parentb222c9a commit57d69f8

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4 files changed

+242
-0
lines changed

4 files changed

+242
-0
lines changed

‎ListNode.java

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packagecom.blankj.structure;
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/**
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* <pre>
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* author: Blankj
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* blog : http://blankj.com
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* time : 2017/05/18
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* desc :
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* </pre>
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*/
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publicclassListNode {
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publicintval;
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publicListNodenext;
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publicListNode(intx) {
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val =x;
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}
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/**
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* 创建测试数据
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*
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* @param data [XX,XX,XX]
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* @return {@link ListNode}
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*/
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publicstaticListNodecreateTestData(Stringdata) {
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if (data.equals("[]"))returnnull;
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data =data.substring(1,data.length() -1);
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String[]split =data.split(",");
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intlen =split.length;
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ListNode[]listNode =newListNode[len +1];
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listNode[0] =newListNode(Integer.valueOf(split[0]));
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for (inti =1;i <len;i++) {
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listNode[i] =newListNode(Integer.valueOf(split[i]));
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listNode[i -1].next =listNode[i];
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}
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returnlistNode[0];
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}
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publicstaticvoidprint(ListNodelistNode) {
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if (listNode ==null) {
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System.out.println("null");
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return;
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}
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StringBuilderstr =newStringBuilder("[" +String.valueOf(listNode.val));
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ListNodep =listNode.next;
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while (p !=null) {
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str.append(",").append(String.valueOf(p.val));
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p =p.next;
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}
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System.out.println(str.append("]"));
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}
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publicStringtoString(ListNodelistNode) {
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if (listNode ==null) {
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System.out.println("null");
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return"";
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}
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StringBuilderstr =newStringBuilder("[" +String.valueOf(listNode.val));
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ListNodep =listNode.next;
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while (p !=null) {
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str.append(",").append(String.valueOf(p.val));
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p =p.next;
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}
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str.append("]");
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returnstr.toString();
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}
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}

‎SolutionTest.java

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packagecom.blankj.hard._025;
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importcom.blankj.structure.ListNode;
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importorg.hamcrest.CoreMatchers;
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importorg.junit.jupiter.api.Test;
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importjava.lang.ArithmeticException;
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importjava.util.List;
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importstaticorg.junit.Assert.assertThat;
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importstaticorg.junit.jupiter.api.Assertions.*;
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publicclassSolutionTest {
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Solutionsolution =newSolution();
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@Test
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publicvoidTestReverseKGroupsWithHeadNull_1(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[]"), -1);
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assertNull(actual);
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}
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@Test
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publicvoidTestReverseKGroupsWithHeadNull_2(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[]"),0);
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assertNull(actual);
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}
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@Test
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publicvoidTestReverseKGroupsWithHeadNull_3(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[]"),1);
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assertNull(actual);
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}
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@Test
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publicvoidTestReverseKGroupWith_k_isZero()throwsException {
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try {
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1]"),0);
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fail("Not throw exception");
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}catch (Exceptione) {
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assertThat(e,CoreMatchers.instanceOf(ArithmeticException.class));
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assertEquals(e.getMessage(),"/ by zero");
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}
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}
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@Test
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publicvoidTestReverseKGroupWith_k_isN()throwsException {
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try {
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1]"), -1);
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fail("Not throw exception");
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}catch (Exceptione) {
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assertThat(e,CoreMatchers.instanceOf(ArithmeticException.class));
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assertEquals(e.getMessage(),"/ k must greater than 0");
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}
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}
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@Test
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publicvoidTestReverseKGroupsWith_k_(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1]"),1);
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StringactualString =actual.toString(actual);
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ListNodeexpect =ListNode.createTestData("[1]");
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StringexpectString =expect.toString(expect);
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assertEquals(expectString,actualString);
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}
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@Test
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publicvoidTestReverseKGroupsWith_k_greaterTh(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1]"),2);
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StringactualString =actual.toString(actual);
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ListNodeexpect =ListNode.createTestData("[1]");
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StringexpectString =expect.toString(expect);
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assertEquals(expectString,actualString);
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}
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@Test
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publicvoidTestReverseKGroupsWith_k_isSmThanLengthOfListNode(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1,2,3]"),2);
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StringactualString =actual.toString(actual);
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ListNodeexpect =ListNode.createTestData("[2,1,3]");
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StringexpectString =expect.toString(expect);
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assertEquals(expectString,actualString);
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}
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@Test
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publicvoidTestReverseKGroupsWith_k_isEqualToLength(){
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ListNodeactual =solution.reverseKGroup(ListNode.createTestData("[1,2,3]"),3);
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StringactualString =actual.toString(actual);
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ListNodeexpect =ListNode.createTestData("[3,2,1]");
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StringexpectString =expect.toString(expect);
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assertEquals(expectString,actualString);
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}
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// public static void main(String[] args) {
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// Solution solution = new Solution();
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// ListNode actual = solution.reverseKGroup(ListNode.createTestData("[1,2,3,4,5,6,7,8]"), 3);
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// String actualString = actual.toString(actual);
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// ListNode expect = ListNode.createTestData("[3,2,1,6,5,4,7,8]");
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// String expectString = expect.toString(expect);
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// assertEquals(expectString, actualString);
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// assert
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// }
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}

‎SolutionTest028.java

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//test use MCC cover
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packagecom.blankj.easy._028;
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importorg.junit.jupiter.api.Test;
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importstaticorg.junit.jupiter.api.Assertions.*;
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publicclassSolutionTest {
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Solutionsolution =newSolution();
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@Test
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publicvoidTestImplementStrWithNeedleIsPartOfHayStack(){
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Integeractual =solution.strStr("1,2,3,4","1,2");
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Integerexpected =0;
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assertEquals(actual,expected);
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}
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@Test
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publicvoidTestImplementStrWithNeedleIsNotPartOfHayStack1(){
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Integeractual =solution.strStr("1,2,3,4","2,1");
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Integerexpected = -1;
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assertEquals(actual,expected);
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}
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@Test
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publicvoidTestImplementStrWithNeedleIsNone(){
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Integeractual =solution.strStr("1,2,3,4","");
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Integerexpected =0;
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assertEquals(actual,expected);
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}
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@Test
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publicvoidTestImplementStrWithLenNeedleGreaterThanLenHayStack(){
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Integeractual =solution.strStr("1,2,3,4","1,2,3,4,5");
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Integerexpected = -1;
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assertEquals(actual,expected);
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}
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@Test
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publicvoidTestImplementStrWithLenNeedleEqualToLenHayStack(){
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Integeractual =solution.strStr("1,2,3,4","1,2,3,4");
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Integerexpected =0;
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assertEquals(actual,expected);
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}
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@Test
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publicvoidTestImplementStrWithNeedleIsNotPartOfHayStack2(){
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Integeractual =solution.strStr("1,2,3,4","3,4,5");
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Integerexpected = -1;
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assertEquals(actual,expected);
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}
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}

‎TestRunner.java

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importcom.blankj.hard._025.Solution;
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importcom.blankj.hard._025.SolutionTest;
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importcom.blankj.structure.ListNode;
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importorg.junit.jupiter.api.Test;
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importorg.junit.runner.JUnitCore;
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importorg.junit.runner.Result;
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importorg.junit.runner.notification.Failure;
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publicclassTestRunner {
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publicstaticvoidmain(String[]args) {
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Resultresult =JUnitCore.runClasses(SolutionTest.class);
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for (Failurefailure :result.getFailures()) {
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System.out.println(failure.toString());
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}
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System.out.println(result.wasSuccessful());
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}
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}

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