@Test
public void testFileName()
{

    CGIARProvider instance = new CGIARProvider();
    assertEquals("srtm_36_02", instance.getFileName(52, -0.1));
    assertEquals("srtm_35_02", instance.getFileName(50, -10));
    assertEquals("srtm_36_23", instance.getFileName(-52, -0.1));
    assertEquals("srtm_35_22", instance.getFileName(-50, -10));
    assertEquals("srtm_39_03", instance.getFileName(49.9, 11.5));
    assertEquals("srtm_34_08", instance.getFileName(20, -11));
    assertEquals("srtm_34_08", instance.getFileName(20, -14));
    assertEquals("srtm_34_08", instance.getFileName(20, -15));
    assertEquals("srtm_37_02", instance.getFileName(52.1943832, 0.1363176));
}