Function zoomIn

test/jasmine/tests/axes_test.js:7915–7933

()

        var testCount = 0;

        var zoomIn = function() {
            promise = promise.then(function() {
                getZoomInButton(gd).click();
                var xLabels = Axes.calcTicks(gd._fullLayout.xaxis);
                var formatter = getFormatter(Axes.getTickFormat(gd._fullLayout.xaxis));
                var expectedLabels = xLabels.map(function(d) {return formatter(new Date(d.x));});
                var actualLabels = xLabels.map(function(d) {return d.text;});
                expect(expectedLabels).toEqual(actualLabels);
                testCount++;

                if(gd._fullLayout.xaxis.dtick > 1) {
                    zoomIn();
                } else {
                    // make sure we tested as many levels as we thought we would
                    expect(testCount).toBe(32);
                    done();
                }
            });
        };
        zoomIn();
    });