Merge "Added performance tests for SQLiteCursor iteration" into pi-dev (860da744) · Commits · e / os / android_frameworks_base

apct-tests/perftests/core/src/android/database/SQLiteDatabasePerfTest.java

+51 −1

Original line number	Diff line number	Diff line
		@@ -117,6 +117,52 @@ public class SQLiteDatabasePerfTest {
		}
		}

		@Test
		public void testCursorIterateForward() {
		// A larger dataset is needed to exceed default CursorWindow size
		int datasetSize = DEFAULT_DATASET_SIZE * 50;
		insertT1TestDataSet(datasetSize);

		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		try (Cursor cursor = mDatabase
		.rawQuery("SELECT _ID, COL_A, COL_B, COL_C FROM T1 ORDER BY _ID", null)) {
		int i = 0;
		while(cursor.moveToNext()) {
		assertEquals(i, cursor.getInt(0));
		assertEquals(i, cursor.getInt(1));
		assertEquals("T1Value" + i, cursor.getString(2));
		assertEquals(1.1 * i, cursor.getDouble(3), 0.0000001d);
		i++;
		}
		assertEquals(datasetSize, i);
		}
		}
		}

		@Test
		public void testCursorIterateBackwards() {
		// A larger dataset is needed to exceed default CursorWindow size
		int datasetSize = DEFAULT_DATASET_SIZE * 50;
		insertT1TestDataSet(datasetSize);

		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		try (Cursor cursor = mDatabase
		.rawQuery("SELECT _ID, COL_A, COL_B, COL_C FROM T1 ORDER BY _ID", null)) {
		int i = datasetSize - 1;
		while(cursor.moveToPosition(i)) {
		assertEquals(i, cursor.getInt(0));
		assertEquals(i, cursor.getInt(1));
		assertEquals("T1Value" + i, cursor.getString(2));
		assertEquals(1.1 * i, cursor.getDouble(3), 0.0000001d);
		i--;
		}
		assertEquals(-1, i);
		}
		}
		}

		@Test
		public void testInnerJoin() {
		mDatabase.setForeignKeyConstraintsEnabled(true);
		@@ -201,8 +247,12 @@ public class SQLiteDatabasePerfTest {
		}

		private void insertT1TestDataSet() {
		insertT1TestDataSet(DEFAULT_DATASET_SIZE);
		}

		private void insertT1TestDataSet(int size) {
		mDatabase.beginTransaction();
		for (int i = 0; i < DEFAULT_DATASET_SIZE; i++) {
		for (int i = 0; i < size; i++) {
		mDatabase.execSQL("INSERT INTO T1 VALUES (?, ?, ?, ?)",
		new Object[]{i, i, "T1Value" + i, i * 1.1});
		}