Function _assertTransformRotate

test/jasmine/tests/polar_test.js:1695–1704

(msg, query, rot)

        var layersRotateFromRadialAxis = ['.radial-axis', '.radial-line > line'];

        function _assertTransformRotate(msg, query, rot) {
            var sp = d3Select(gd).select('g.polar');
            var t = sp.select(query).attr('transform');
            var rotate = (t.split('rotate(')[1] || '').split(')')[0];
            if(rot === null) {
                expect(rotate).toBe('', msg + ' - ' + query);
            } else {
                expect(Number(rotate)).toBeCloseTo(rot, 1, msg + ' - ' + query);
            }
        }

        function _run(msg, p0, dp, exp) {
            var node = d3Select('.polar > .draglayer > .angulardrag').node();