Cohort4.2
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CR-MicroLabs-Generics-MyArrayList
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Completed

NiraParikh 6 年前
父节点
3519f7ca82
当前提交
ce5fbdf8a4
共有 7 个文件被更改，包括 618 次插入 和 76 次删除
分列视图 显示文件统计
  1. 170
    76
      .idea/workspace.xml
  2. 9
    0
      src/main/java/MyArrayList.java
  3. 115
    0
      src/main/java/MyMap.java
  4. 48
    0
      src/main/java/MySet.java
  5. 34
    0
      src/test/java/MyArrayListTest.java
  6. 166
    0
      src/test/java/MyMapTest.java
  7. 76
    0
      src/test/java/TestMySet.java

+ 170
- 76
.idea/workspace.xml 查看文件 

@@ -2,12 +2,13 @@
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@@ -129,7 +133,11 @@
129 133 
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131 135 
         <option value="$PROJECT_DIR$/src/main/java/MyArrayList.java" />
136 
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132 137 
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138 
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133 141 
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@@ -140,10 +148,10 @@
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@@ -195,12 +201,14 @@
195 201 
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196 202 
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@@ -220,7 +228,7 @@
220 228 
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@@ -239,50 +247,48 @@
239 247 
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-    <configuration name="MyArrayListTest.emptyFalseTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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243 251 
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254 
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249 257 
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250 258 
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-    <configuration name="MyArrayListTest.indexOfNoTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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253 261 
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256 
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264 
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-    <configuration name="MyArrayListTest.indexOfTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
270 
+    <configuration name="MyMapTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
263 271 
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264 272 
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+      <item itemvalue="JUnit.MyMapTest" />
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@@ -435,8 +444,8 @@
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+            <element signature="method#indexOfTest#0;class#MyArrayListTest#0" />
492 
+            <element signature="method#indexOfNoTest#0;class#MyArrayListTest#0" />
493 
+            <element signature="method#addAtIndex#0;class#MyArrayListTest#0" />
494 
+            <element signature="method#equalsTrueTest#0;class#MyArrayListTest#0" />
495 
+            <element signature="method#equalsTrueTest#1;class#MyArrayListTest#0" />
496 
+            <element signature="method#equalsFalseTest2#0;class#MyArrayListTest#0" />
497 
+          </folding>
498 
+        </state>
499 
+      </provider>
500 
+    </entry>
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506 
+            <element signature="imports" expanded="true" />
507 
+          </folding>
508 
+        </state>
509 
+      </provider>
510 
+    </entry>
511 
+    <entry file="file://$PROJECT_DIR$/README.md">
512 
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
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518 
+        </state>
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+          </folding>
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+        </state>
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+    </entry>
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538 
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+          </folding>
550 
+        </state>
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+    </entry>
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554 
+      <provider selected="true" editor-type-id="text-editor">
555 
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556 
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467 557 
           <folding>
468 558 
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559 
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469 563 
           </folding>
470 564 
         </state>
471 565 
       </provider>

+ 9
- 0
src/main/java/MyArrayList.java 查看文件 

@@ -97,4 +97,13 @@ public class MyArrayList <E> {
97 97 
         return -1;
98 98 
     }
99 99
100 
+    public boolean equals(Object [] o){
101 
+        for(int i = 0; i < arr.length;i++){
102 
+            if (arr[i] != o[i]){
103 
+                return false;
104 
+            }
105 
+        }
106 
+        return true;
107 
+    }
108 
+
100 109 
 }

+ 115
- 0
src/main/java/MyMap.java 查看文件 

@@ -0,0 +1,115 @@
1 
+import java.util.ArrayList;
2 
+import java.util.concurrent.LinkedBlockingDeque;
3 
+
4 
+public class MyMap {
5 
+
6 
+    MySet set;
7 
+    ArrayList arrayList;
8 
+
9 
+    public MyMap(){
10 
+        set = new MySet();
11 
+        arrayList = new ArrayList();
12 
+    }
13 
+
14 
+    /*
15 
+    public MySet getSet(){return set;}
16 
+
17 
+    public void setSet(MySet set){this.set = set;}
18 
+
19 
+    public ArrayList getArrayList(){return arrayList;}
20 
+
21 
+    public void setArrayList(ArrayList arrayList){this.arrayList = arrayList;}
22 
+     */
23 
+
24 
+    public int size() {
25 
+        return set.size();
26 
+    }
27 
+
28 
+    public void add(Object key, Object value) {
29 
+        set.add(key);
30 
+        arrayList.add(value);
31 
+    }
32 
+
33 
+    public boolean containsKey(Object o) {
34 
+
35 
+        return set.contains(o);
36 
+    }
37 
+
38 
+    public boolean containsValue(Object o){
39 
+        return arrayList.contains(o);
40 
+    }
41 
+
42 
+    public boolean isEmpty(){
43 
+        if(set.isEmpty() && arrayList.isEmpty()){
44 
+            return true;}
45 
+        return false;
46 
+    }
47 
+
48 
+    public void remove(Object key) {
49 
+        for (int i = 0; i <set.size();i++){
50 
+            if (set.getArr()[i] == key){
51 
+                set.remove(i);
52 
+                arrayList.remove(i);
53 
+            }
54 
+    }
55 
+    }
56 
+
57 
+    public void clear() {
58 
+        set.clear();
59 
+        arrayList.clear();
60 
+
61 
+    }
62 
+
63 
+    public Object [][] entrySet(){
64 
+        Object [] [] entrySet = new Object [set.size()][2];
65 
+        for(int i = 0; i < set.size(); i++){
66 
+            entrySet[i] = new Object[]{
67 
+                    set.get(i),arrayList.get(i)};
68 
+            }
69 
+        return entrySet;
70 
+
71 
+    }
72 
+    public Object[] valueSet(){
73 
+        return set.getArr();
74 
+    }
75 
+
76 
+    @Override
77 
+    public boolean equals(Object obj) {
78 
+        if (obj instanceof MyMap){
79 
+            MyMap compareMap = (MyMap) obj;
80 
+            for(int i =0; i < set.size(); i++) {
81 
+                for (int j = 0; j < 2; j++) {
82 
+                    if (compareMap.entrySet()[j][i] == this.entrySet()[i][j]) {
83 
+                        return true;
84 
+                    }
85 
+                    return false;
86 
+                }}}
87 
+                return false;
88 
+            }
89 
+
90 
+    public Object get(Object key) {
91 
+        for (int i = 0; i < set.size();i++){
92 
+            if(key == set.get(i)){
93 
+                return arrayList.getArr()[i];
94 
+            }
95 
+        }
96 
+        return -1;
97 
+    }
98 
+    public Object getOrDefault(Object key, Object o){
99 
+        for (int i = 0; i< set.size();i++){
100 
+            if(key==set.get(i)){
101 
+                return arrayList.getArr()[i];
102 
+            }
103 
+        }
104 
+        return o;
105 
+    }
106 
+    public void replace(Object key, Object value){
107 
+        for (int i = 0; i < set.size();i++){
108 
+            if (set.getArr()[i] ==key){
109 
+                arrayList.getArr()[i]=value;
110 
+            }
111 
+        }
112 
+    }
113 
+
114 
+    }
115 
+

+ 48
- 0
src/main/java/MySet.java 查看文件 

@@ -0,0 +1,48 @@
1 
+import java.lang.reflect.Array;
2 
+import java.util.ArrayList;
3 
+import java.util.Arrays;
4 
+
5 
+public class MySet <T> extends ArrayList {
6 
+
7 
+    private MyArrayList <
8 
+
9 
+    public MySet(){
10 
+        setArr(new Object[0]);
11 
+    }
12 
+
13 
+    public MySet (int size) {
14 
+        setArr(new Object[size]);
15 
+    }
16 
+
17 
+    private void setArr(Object[] objects) {
18 
+    }
19 
+
20 
+    @Override
21 
+    public boolean add(Object o){
22 
+        if(set.contains(o)){
23 
+            throw new IllegalArgumentException("value already exist in set");
24 
+        }
25 
+    }
26 
+//        if(!contains(o)){
27 
+//            Object[] temp = Arrays.copyOf(getArr(),getArr().length+1);
28 
+//            temp[temp.length-1] = o;
29 
+//            setArr(temp);
30 
+//            return true;}
31 
+//        return false;
32 
+//    }
33 
+
34 
+
35 
+    private int[] getArr() {
36 
+        return Arr;
37 
+
38 
+    }
39 
+
40 
+    public void clear() {
41 
+
42 
+
43 
+    }
44 
+
45 
+
46 
+    public boolean contains(String party) {
47 
+    }
48 
+}

+ 34
- 0
src/test/java/MyArrayListTest.java 查看文件 

@@ -7,6 +7,15 @@ import java.util.ArrayList;
7 7 
 public class MyArrayListTest{
8 8
9 9 
     ArrayList list = new ArrayList();
10 
+    ArrayList list2 = new ArrayList(5);
11 
+    Object [] compare = new Object[]{3,4,5};
12 
+
13 
+    @Test
14 
+    public void sizeTest(){
15 
+        int expected = 5;
16 
+        int actual = list2.size();
17 
+        Assert.assertEquals(expected,actual);
18 
+    }
10 19
11 20 
     @Test
12 21 
     public void addTestInt(){
 
@@ -186,4 +195,29 @@ public class MyArrayListTest{
186 195 
         System.out.println(list.get(4));
187 196 
         Assert.assertEquals(expected,actual);
188 197 
     }
198 
+
199 
+    @Test
200 
+    public void equalsTrueTest(){
201 
+        list.add(3);
202 
+        list.add(4);
203 
+        list.add(5);
204 
+        Assert.assertTrue(list.equals(compare));
205 
+    }
206 
+    @Test
207 
+    public void equalsFalseTest(){
208 
+        list.add(7);
209 
+        list.add(4);
210 
+        list.add(5);
211 
+        Assert.assertTrue(list.equals(compare));
212 
+    }
213 
+
214 
+    @Test
215 
+    public void equalsFalseTest2(){
216 
+        list.add(3);
217 
+        list.add(2);
218 
+        list.add(5);
219 
+        Assert.assertFalse(list.equals(compare));
220 
+
221 
+    }
222 
+
189 223 
 }

+ 166
- 0
src/test/java/MyMapTest.java 查看文件 

@@ -0,0 +1,166 @@
1 
+import org.junit.Assert;
2 
+import org.junit.Test;
3 
+
4 
+public class MyMapTest {
5 
+
6 
+    MyMap map = new MyMap();
7 
+    MyMap map2 = new MyMap();
8 
+
9 
+    @Test
10 
+    public void addTest() {
11 
+        map.add("keychain",4);
12 
+        map.add ("chain",6);
13 
+        int actual = map.size();
14 
+        int expected = 2;
15 
+        Assert.assertEquals(expected,actual);
16 
+    }
17 
+
18 
+    @Test
19 
+    public void clearTest() {
20 
+        map.add("keychain",4);
21 
+        map.add ("chain",6);
22 
+        map.clear();
23 
+        int actual = map.size();
24 
+        int expected = 0;
25 
+        Assert.assertEquals(expected,actual);
26 
+    }
27 
+
28 
+    @Test
29 
+    public void containsKeyTrueTest() {
30 
+        map.add(3,4);
31 
+        map.add(7,5);
32 
+        boolean actual = map.containsKey(7);
33 
+
34 
+        Assert.assertTrue(actual);
35 
+    }
36 
+
37 
+    @Test
38 
+    public void containsKeyFalseTest() {
39 
+        map.add(3,4);
40 
+        map.add(7,5);
41 
+        boolean actual = map.containsKey(2);
42 
+
43 
+        Assert.assertFalse(actual);
44 
+    }
45 
+
46 
+    @Test
47 
+    public void containsValueTrueTest() {
48 
+        map.add(3,4);
49 
+        map.add(7,5);
50 
+        boolean actual = map.containsValue(7);
51 
+
52 
+        Assert.assertTrue(actual);
53 
+    }
54 
+
55 
+    @Test
56 
+    public void containsValueFalseTest() {
57 
+        map.add(3,4);
58 
+        map.add(7,5);
59 
+        boolean actual = map.containsValue(2);
60 
+
61 
+        Assert.assertFalse(actual);
62 
+    }
63 
+
64 
+    @Test
65 
+    public void entrySetTest(){
66 
+        map.add(3,4);
67 
+        map.add(7,5);
68 
+        map.add(5,6);
69 
+
70 
+        Object[][] actual = map.entrySet();
71 
+        Object[][] expected = {{3,4}, {7,5}, {5,6}};
72 
+
73 
+        Assert.assertArrayEquals(expected,actual);
74 
+
75 
+    }
76 
+
77 
+    @Test
78 
+    public void entryTrueTest(){
79 
+        map.add(3,4);
80 
+        map.add(7,5);
81 
+        map2.add(3,4);
82 
+        map2.add(7,5);
83 
+
84 
+       boolean actual = map.equals(map2);
85 
+        Assert.assertTrue(actual);
86 
+    }
87 
+
88 
+    @Test
89 
+    public void entryFalseTest(){
90 
+        map.add(3,4);
91 
+        map.add(7,5);
92 
+        map2.add(9,4);
93 
+        map2.add(7,5);
94 
+
95 
+        boolean actual = map.equals(map2);
96 
+        Assert.assertFalse(actual);
97 
+    }
98 
+
99 
+    @Test
100 
+    public void getTest(){
101 
+        map.add(3,4);
102 
+        map.add(7,5);
103 
+        map2.add(5,6);
104 
+        Object actual = map.get(7);
105 
+        Object expected = 5;
106 
+        Assert.assertEquals(expected,actual);
107 
+
108 
+    }
109 
+
110 
+    @Test
111 
+    public void getOrDefaultTest(){
112 
+        map.add(3,4);
113 
+        map.add(7,5);
114 
+        map.add(5,6);
115 
+        Object actual = map.getOrDefault(9, "default");
116 
+        Object expected = "default";
117 
+        Assert.assertEquals(expected, actual);
118 
+    }
119 
+
120 
+    @Test
121 
+    public void isEmptyTrueTest(){
122 
+        boolean actual = map.isEmpty();
123 
+        Assert.assertTrue(actual);
124 
+    }
125 
+
126 
+    @Test
127 
+    public void isEmptyFalseTest(){
128 
+        map.add(3,4);
129 
+        boolean actual = map.isEmpty();
130 
+        Assert.assertFalse(actual);
131 
+    }
132 
+
133 
+    @Test
134 
+    public void removeTest(){
135 
+        map.add(3,4);
136 
+        map.add(7,5);
137 
+        map.add(5,6);
138 
+        map.remove(7);
139 
+        int actual = map.size();
140 
+        int expected = 2;
141 
+        Assert.assertEquals(expected, actual);
142 
+    }
143 
+
144 
+    @Test
145 
+    public void replaceTest(){
146 
+        map.add(3,4);
147 
+        map.add(7,5);
148 
+        map.add(5,6);
149 
+        map.replace(3,9);
150 
+        Object actual = map. get(3);
151 
+        Object expected = 9;
152 
+        Assert.assertEquals(expected, actual);
153 
+    }
154 
+
155 
+    @Test
156 
+    public void valueSetTest(){
157 
+        map.add(3,4);
158 
+        map.add(7,5);
159 
+        map.add(5,6);
160 
+        Object[] actual = map.valueSet();
161 
+        Object[] expected = {3,7,5};
162 
+        Assert.assertArrayEquals(expected, actual);
163 
+    }
164 
+
165 
+}
166 
+

+ 76
- 0
src/test/java/TestMySet.java 查看文件 

@@ -0,0 +1,76 @@
1 
+import org.junit.Assert;
2 
+import org.junit.Test;
3 
+
4 
+public class TestMySet {
5 
+
6 
+    MySet set = new MySet();
7 
+    Object [] compare = new Object[]{3,4,5};
8 
+
9 
+    @Test
10 
+    public void testAdd(){
11 
+        set.add(3);
12 
+        set.add(4);
13 
+        set.add(3);
14 
+        boolean actual = set.add(3);
15 
+        boolean expected = false;
16 
+        Assert.assertEquals(expected,actual);
17 
+    }
18 
+
19 
+    @Test
20 
+    public void testClear(){
21 
+        set.add(9);
22 
+        set.add(3);
23 
+        set.add(5);
24 
+        set.add(4);
25 
+        set.clear();
26 
+        int expected = 0;
27 
+        int actual = set.size();
28 
+        Assert.assertEquals(expected,actual);
29 
+    }
30 
+
31 
+    @Test
32 
+    public void testContainsTrue(){
33 
+        set.add("Let's go");
34 
+        set.add("Party");
35 
+        set.add("Today");
36 
+        set.add("is");
37 
+        set.add("Friday");
38 
+        boolean actual = set.contains("Party");
39 
+        Assert.assertTrue(actual);
40 
+    }
41 
+
42 
+    @Test
43 
+    public void testContainsFalse(){
44 
+        set.add("Let's go");
45 
+        set.add("Party");
46 
+        set.add("Today");
47 
+        set.add("is");
48 
+        set.add("Friday");
49 
+        boolean actual = set.contains("When");
50 
+        Assert.assertFalse(actual);
51 
+
52 
+    }
53 
+    @Test
54 
+    public void testEqualsTrue(){
55 
+        set.add(3);
56 
+        set.add(4);
57 
+        set.add(5);
58 
+        Assert.assertTrue(set.equals(compare));
59 
+    }
60 
+
61 
+    @Test
62 
+    public void testEqualsFalse(){
63 
+        set.add(7);
64 
+        set.add(4);
65 
+        set.add(5);
66 
+        Assert.assertFalse(set.equals(compare));
67 
+    }
68 
+
69 
+    @Test
70 
+    public void testEqualsFalse2(){
71 
+        set.add(3);
72 
+        set.add(2);
73 
+        set.add(5);
74 
+        Assert.assertFalse(set.equals(compare));
75 
+    }
76 
+}