private void allZero(BoundingBoxParser data) {
        assertEquals(0d, data.n, delta);
        assertEquals(0d, data.s, delta);
        assertEquals(0d, data.e, delta);
        assertEquals(0d, data.w, delta);
    }
Tests for the BoundingBoxParser class.

@author arnej27959
vespajlib/src/test/java/com/yahoo/geo/BoundingBoxParserTestCase.java