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MatrixCursorTest.javaAPI DocAndroid 1.5 API4098Wed May 06 22:42:02 BST 2009android.database

MatrixCursorTest

public class MatrixCursorTest extends TestCase

Fields Summary
Constructors Summary
Methods Summary
private voidcheckValues(MatrixCursor cursor)

        assertEquals("a", cursor.getString(0));
        assertEquals(1, cursor.getShort(1));
        assertEquals(2, cursor.getInt(2));
        assertEquals(3, cursor.getLong(3));
        assertEquals(4.0f, cursor.getFloat(4));
        assertEquals(5.0D, cursor.getDouble(5));
private MatrixCursornewMatrixCursor()

        return new MatrixCursor(new String[] {
                "string", "short", "int", "long", "float", "double" });
public voidtestAddArray()

        MatrixCursor cursor = newMatrixCursor();

        cursor.addRow(new Object[] { "a", 1, 2, 3, 4, 5 });
        cursor.moveToNext();
        checkValues(cursor);

        try {
            cursor.addRow(new Object[0]);
            fail();
        } catch (IllegalArgumentException e) { /* expected */ }
public voidtestAddArrayList()

        MatrixCursor cursor = newMatrixCursor();

        cursor.addRow(new NonIterableArrayList<Object>(
                Arrays.asList("a", 1, 2, 3, 4, 5)));
        cursor.moveToNext();
        checkValues(cursor);

        try {
            cursor.addRow(new NonIterableArrayList<Object>());
            fail();
        } catch (IllegalArgumentException e) { /* expected */ }

        try {
            cursor.addRow(new NonIterableArrayList<Object>(
                    Arrays.asList("a", 1, 2, 3, 4, 5, "Too many!")));
            fail();
        } catch (IllegalArgumentException e) { /* expected */ }
public voidtestAddIterable()

        MatrixCursor cursor = newMatrixCursor();

        cursor.addRow(Arrays.asList("a", 1, 2, 3, 4, 5));
        cursor.moveToNext();
        checkValues(cursor);

        try {
            cursor.addRow(Collections.emptyList());
            fail();
        } catch (IllegalArgumentException e) { /* expected */ }

        try {
            cursor.addRow(Arrays.asList("a", 1, 2, 3, 4, 5, "Too many!"));
            fail();
        } catch (IllegalArgumentException e) { /* expected */ }
public voidtestEmptyCursor()

        Cursor cursor = new MatrixCursor(new String[] { "a" });
        assertEquals(0, cursor.getCount());
public voidtestMatrixCursor()

        MatrixCursor cursor = newMatrixCursor();

        cursor.newRow()
                .add("a")
                .add(1)
                .add(2)
                .add(3)
                .add(4)
                .add(5);

        cursor.moveToNext();

        checkValues(cursor);

        cursor.newRow()
                .add("a")
                .add("1")
                .add("2")
                .add("3")
                .add("4")
                .add("5");

        cursor.moveToNext();
        checkValues(cursor);

        cursor.moveToPrevious();
        checkValues(cursor);
public voidtestNullValue()

        MatrixCursor cursor = new MatrixCursor(new String[] { "a" });
        cursor.newRow().add(null);
        cursor.moveToNext();
        assertTrue(cursor.isNull(0));