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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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;
public class CursorWindowTest extends TestCase implements PerformanceTestCase {
public boolean isPerformanceOnly() {
return false;
}
// These test can only be run once.
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));
}
@SmallTest
public void testValuesRemoteWindow() {
doTestValues(new CursorWindow(false));
}
private void doTestValues(CursorWindow window) {
assertTrue(window.setNumColumns(7));
assertTrue(window.allocRow());
double db1 = 1.26;
assertTrue(window.putDouble(db1, 0, 0));
double db2 = window.getDouble(0, 0);
assertEquals(db1, db2);
long int1 = Long.MAX_VALUE;
assertTrue(window.putLong(int1, 0, 1));
long int2 = window.getLong(0, 1);
assertEquals(int1, int2);
assertTrue(window.putString("1198032740000", 0, 3));
assertEquals("1198032740000", window.getString(0, 3));
assertEquals(1198032740000L, window.getLong(0, 3));
assertTrue(window.putString(Long.toString(1198032740000L), 0, 3));
assertEquals(Long.toString(1198032740000L), window.getString(0, 3));
assertEquals(1198032740000L, window.getLong(0, 3));
assertTrue(window.putString(Double.toString(42.0), 0, 4));
assertEquals(Double.toString(42.0), window.getString(0, 4));
assertEquals(42.0, window.getDouble(0, 4));
// put blob
byte[] blob = new byte[1000];
byte value = 99;
Arrays.fill(blob, value);
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;
}
}
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