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finished part 3

Tommy Rogers 6 år sedan
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62f8ceafb4
2 ändrade filer med 74 tillägg och 51 borttagningar
  1. 24
    1
      src/main/java/Table/Table.java
  2. 50
    50
      src/test/java/Table/TableTest.java

+ 24
- 1
src/main/java/Table/Table.java Visa fil

@@ -10,8 +10,31 @@ import java.util.ArrayList;
10 10
  * Void return on `remove`.
11 11
  */
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 public class Table<K, V> {
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-    private ArrayList entries;
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+    private ArrayList<Entry> entries;
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     public Table() {
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+        entries = new ArrayList();
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+    }
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+
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+
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+    public void put(K foo, V i) {
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+        if(get(foo) != null) remove(foo);
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+        entries.add(new Entry(foo, i));
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+    }
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+
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+    public Object get(K foo) {
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+        for (Entry entry: entries){
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+            if(entry.getKey().equals(foo))
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+                return entry.getValue();
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+        }
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+        return null;
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+    }
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+
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+    public void remove(K foo) {
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+        for (Entry e : entries) {
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+            if (e.getKey().equals(foo))
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+                entries.remove(e);
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+            break;
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+        }
16 39
     }
17 40
 }

+ 50
- 50
src/test/java/Table/TableTest.java Visa fil

@@ -1,50 +1,50 @@
1
-//package Table;
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-//
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-//import org.junit.Assert;
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-//import org.junit.Test;
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-//
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-//public class TableTest {
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-//    @Test
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-//    public void testGetWithoutAnItemReturnsNull() throws Exception {
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-//        // Given an empty table
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-//        Table<String, Integer> table = new Table<String, Integer>();
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-//        // When we try and get an item then it returns null
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-//        Assert.assertEquals(table.get("foo"), null);
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-//    }
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-//
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-//    @Test
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-//    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
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-//        //Given an empty table
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-//        Table<String, Integer> table = new Table<String, Integer>();
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-//        // When we put an item in it
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-//        table.put("foo", 1);
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-//        // Then we should be able to get it's value
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-//        Assert.assertEquals(table.get("foo"), new Integer(1));
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-//        // And then we should be able to get it again as it wasn't removed
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-//        Assert.assertEquals(table.get("foo"), new Integer(1));
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-//    }
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-//
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-//    @Test
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-//    public void testOverwritingAnItem() throws Exception {
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-//        //Given an empty table
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-//        Table<String, Integer> table = new Table<String, Integer>();
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-//        // When we put an item in it
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-//        table.put("foo", 1);
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-//        // And we put a new value with the same key
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-//        table.put("foo", 2);
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-//        // Then we should get back the new value
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-//        Assert.assertEquals(table.get("foo"), new Integer(2));
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-//    }
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-//
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-//    @Test
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-//    public void testRemoveAnItem() throws Exception {
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-//        //Given an empty table
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-//        Table<String, Integer> table = new Table<String, Integer>();
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-//        // When we put an item in it
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-//        table.put("foo", 1);
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-//        // And we remove that item
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-//        table.remove("foo");
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-//        // Then we should get back null for that balue
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-//        Assert.assertEquals(table.get("foo"), null);
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-//    }
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-//}
1
+package Table;
2
+
3
+import org.junit.Assert;
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+import org.junit.Test;
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+
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+public class TableTest {
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+    @Test
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+    public void testGetWithoutAnItemReturnsNull() throws Exception {
9
+        // Given an empty table
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+        Table<String, Integer> table = new Table<String, Integer>();
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+        // When we try and get an item then it returns null
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+        Assert.assertEquals(table.get("foo"), null);
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+    }
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+
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+    @Test
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+    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
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+        //Given an empty table
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+        Table<String, Integer> table = new Table<String, Integer>();
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+        // When we put an item in it
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+        table.put("foo", 1);
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+        // Then we should be able to get it's value
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+        Assert.assertEquals(table.get("foo"), new Integer(1));
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+        // And then we should be able to get it again as it wasn't removed
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+        Assert.assertEquals(table.get("foo"), new Integer(1));
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+    }
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+
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+    @Test
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+    public void testOverwritingAnItem() throws Exception {
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+        //Given an empty table
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+        Table<String, Integer> table = new Table<String, Integer>();
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+        // When we put an item in it
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+        table.put("foo", 1);
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+        // And we put a new value with the same key
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+        table.put("foo", 2);
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+        // Then we should get back the new value
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+        Assert.assertEquals(table.get("foo"), new Integer(2));
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+    }
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+
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+    @Test
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+    public void testRemoveAnItem() throws Exception {
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+        //Given an empty table
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+        Table<String, Integer> table = new Table<String, Integer>();
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+        // When we put an item in it
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+        table.put("foo", 1);
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+        // And we remove that item
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+        table.remove("foo");
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+        // Then we should get back null for that balue
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+        Assert.assertEquals(table.get("foo"), null);
49
+    }
50
+}