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Commit 5346f19f authored by Fyodor Kupolov's avatar Fyodor Kupolov
Browse files

Added performance tests for SQLiteCursor iteration 

Tests forward/backfards iteration when dataset exceeds default
window size.

Test: atest frameworks/base/apct-tests/perftests/core/src/android/database/SQLiteDatabasePerfTest.java
Bug: 37095915
Bug: 64262688
Change-Id: Icc4e4864de0d2c510f7f3da55a6ebf526d5a4506
parent ee83dd2c

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});

        }