Use MatrixCursor instead of ArrayListCursor.

ArrayListCursor is deprecated, and a duplicate private copy of it
is doubly so.

Delete some tests that are duplicated in the CTS package.

Change-Id: Ib5837b12e39dadba57595906ad621b1feb0d2c0d

Author: Jeff Brown

core/tests/coretests/src/android/database/CursorWindowTest.java

@@ -16,17 +16,11 @@
 
 package android.database;
 
-import android.database.AbstractCursor;
 import android.test.suitebuilder.annotation.SmallTest;
-import com.android.common.ArrayListCursor;
 import android.database.CursorWindow;
 import android.test.PerformanceTestCase;
 
-import com.google.android.collect.Lists;
-
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Random;
 
 import junit.framework.TestCase;
 
@@ -40,48 +34,6 @@ public int startPerformance(Intermediates intermediates) {
         return 1;
     }
 
-    @SmallTest
-    public void testWriteCursorToWindow() throws Exception {
-        // create cursor
-        String[] colNames = new String[]{"name", "number", "profit"};
-        int colsize = colNames.length;
-        ArrayList<ArrayList> list = createTestList(10, colsize);
-        AbstractCursor cursor = new ArrayListCursor(colNames, (ArrayList<ArrayList>) list);
-
-        // fill window
-        CursorWindow window = new CursorWindow(false);
-        cursor.fillWindow(0, window);
-
-        // read from cursor window
-        for (int i = 0; i < list.size(); i++) {
-            ArrayList<Integer> col = list.get(i);
-            for (int j = 0; j < colsize; j++) {
-                String s = window.getString(i, j);
-                int r2 = col.get(j);
-                int r1 = Integer.parseInt(s);
-                assertEquals(r2, r1);
-            }
-        }
-
-        // test cursor window handle startpos != 0 
-        window.clear();
-        cursor.fillWindow(1, window);
-        // read from cursor from window
-        for (int i = 1; i < list.size(); i++) {
-            ArrayList<Integer> col = list.get(i);
-            for (int j = 0; j < colsize; j++) {
-                String s = window.getString(i, j);
-                int r2 = col.get(j);
-                int r1 = Integer.parseInt(s);
-                assertEquals(r2, r1);
-            }
-        }
-
-        // Clear the window and make sure it's empty
-        window.clear();
-        assertEquals(0, window.getNumRows());
-    }
-
     @SmallTest
     public void testValuesLocalWindow() {
         doTestValues(new CursorWindow(true));
@@ -124,50 +76,4 @@ private void doTestValues(CursorWindow window) {
         assertTrue(window.putBlob(blob, 0, 6));
         assertTrue(Arrays.equals(blob, window.getBlob(0, 6)));
     }
-
-    @SmallTest
-    public void testNull() {
-        CursorWindow window = getOneByOneWindow();
-
-        // Put in a null value and read it back as various types
-        assertTrue(window.putNull(0, 0));
-        assertNull(window.getString(0, 0));
-        assertEquals(0, window.getLong(0, 0));
-        assertEquals(0.0, window.getDouble(0, 0));
-        assertNull(window.getBlob(0, 0));
-    }
-
-    @SmallTest
-    public void testEmptyString() {
-        CursorWindow window = getOneByOneWindow();
-
-        // put size 0 string and read it back as various types
-        assertTrue(window.putString("", 0, 0));
-        assertEquals("", window.getString(0, 0));
-        assertEquals(0, window.getLong(0, 0));
-        assertEquals(0.0, window.getDouble(0, 0));
-    }
-
-    private CursorWindow getOneByOneWindow() {
-        CursorWindow window = new CursorWindow(false);
-        assertTrue(window.setNumColumns(1));
-        assertTrue(window.allocRow());
-        return window;
-    }
-    
-    private static ArrayList<ArrayList> createTestList(int rows, int cols) {
-        ArrayList<ArrayList> list = Lists.newArrayList();
-        Random generator = new Random();
-
-        for (int i = 0; i < rows; i++) {
-            ArrayList<Integer> col = Lists.newArrayList();
-            list.add(col);
-            for (int j = 0; j < cols; j++) {
-                // generate random number
-                Integer r = generator.nextInt();
-                col.add(r);
-            }
-        }
-        return list;
-    }
 }

core/tests/coretests/src/android/widget/SimpleCursorAdapterTest.java

@@ -16,11 +16,11 @@
 
 package android.widget;
 
-import com.android.common.ArrayListCursor;
 import com.google.android.collect.Lists;
 
 import android.content.Context;
 import android.database.Cursor;
+import android.database.MatrixCursor;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
@@ -52,14 +52,14 @@ public void setUp() throws Exception {
         super.setUp();
 
         // all the pieces needed for the various tests
-        mFrom = new String[]{"Column1", "Column2"};
+        mFrom = new String[]{"Column1", "Column2", "_id"};
         mTo = new int[]{com.android.internal.R.id.text1, com.android.internal.R.id.text2};
         mLayout = com.android.internal.R.layout.simple_list_item_2;
         mContext = getContext();
 
         // raw data for building a basic test cursor
         mData2x2 = createTestList(2, 2);
-        mCursor2x2 = new ArrayListCursor(mFrom, mData2x2);
+        mCursor2x2 = createCursor(mFrom, mData2x2);
     }
 
     /**
@@ -77,6 +77,7 @@ private ArrayList<ArrayList> createTestList(int rows, int cols) {
                 Integer r = generator.nextInt();
                 col.add(r);
             }
+            col.add(i);
         }
         return list;
     }
@@ -115,7 +116,7 @@ public void testChangeCursorLive() {
 
         // now put in a different cursor (5 rows)
         ArrayList<ArrayList> data2 = createTestList(5, 2);
-        Cursor c2 = new ArrayListCursor(mFrom, data2);
+        Cursor c2 = createCursor(mFrom, data2);
         ca.changeCursor(c2);
 
         // Now see if we can pull 5 rows from the adapter
@@ -155,8 +156,8 @@ public void testChangeCursorColumns() {
         assertEquals(columns[1], 1);
 
         // Now make a new cursor with similar data but rearrange the columns
-        String[] swappedFrom = new String[]{"Column2", "Column1"};
-        Cursor c2 = new ArrayListCursor(swappedFrom, mData2x2);
+        String[] swappedFrom = new String[]{"Column2", "Column1", "_id"};
+        Cursor c2 = createCursor(swappedFrom, mData2x2);
         ca.changeCursor(c2);
         assertEquals(2, ca.getCount());
 
@@ -235,7 +236,15 @@ public void testChangeMapping() {
         assertEquals(1, viewIds.length);
         assertEquals(com.android.internal.R.id.text2, viewIds[0]);
     }
-    
+
+    private static MatrixCursor createCursor(String[] columns, ArrayList<ArrayList> list) {
+        MatrixCursor cursor = new MatrixCursor(columns, list.size());
+        for (ArrayList row : list) {
+            cursor.addRow(row);
+        }
+        return cursor;
+    }
+
     /**
      * This is simply a way to sneak a look at the protected mFrom() array.  A more API-
      * friendly way to do this would be to mock out a View and a ViewBinder and exercise