@Override
  public String getName() {
    return _name;
  }
@Test
  public void testStringStartsWithTransformFunction() {
    ExpressionContext expression =
        RequestContextUtils.getExpression(String.format("starts_with(%s, 'A')", STRING_ALPHANUM_SV_COLUMN));
    TransformFunction transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap);
    assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
    assertEquals(transformFunction.getName(), "startsWith");
    int[] expectedValues = new int[NUM_ROWS];
    for (int i = 0; i < NUM_ROWS; i++) {
      expectedValues[i] = StringUtils.startsWith(_stringAlphaNumericSVValues[i], "A") ? 1 : 0;
    }
    testTransformFunction(transformFunction, expectedValues);
  }