-function getYLabels() {
- var y_labels = document.getElementsByClassName("dygraph-axis-label-y");
- var ary = [];
- for (var i = 0; i < y_labels.length; i++) {
- ary.push(y_labels[i].innerHTML);
- }
- return ary;
-}
-
-function getXLabels() {
- var x_labels = document.getElementsByClassName("dygraph-axis-label-x");
- var ary = [];
- for (var i = 0; i < x_labels.length; i++) {
- ary.push(x_labels[i].innerHTML);
- }
- return ary;
-}
-
-function makeNumbers(ary) {
- var ret = [];
- for (var i = 0; i < ary.length; i++) {
- ret.push(parseFloat(ary[i]));
- }
- return ret;
-}
-
-function getLegend() {
- var legend = document.getElementsByClassName("dygraph-legend")[0];
- return legend.textContent;
-}
-
-AxisLabelsTestCase.prototype.kCloseFloat = 1.0e-10;
-
-AxisLabelsTestCase.prototype.testMinusOneToOne = function() {
- var opts = {
- width: 480,
- height: 320
- };
- var data = "X,Y\n" +
- "0,-1\n" +
- "1,0\n" +
- "2,1\n" +
- "3,0\n"
- ;
-
- var graph = document.getElementById("graph");
- var g = new Dygraph(graph, data, opts);
-
- // TODO(danvk): would ['-1.0','-0.5','0.0','0.5','1.0'] be better?
- assertEquals(['-1','-0.5','0','0.5','1'], getYLabels());
-
- // Go up to 2
- data += "4,2\n";
- g.updateOptions({file: data});
- assertEquals(['-1','-0.5','0','0.5','1','1.5','2'], getYLabels());
-
- // Now 10
- data += "5,10\n";
- g.updateOptions({file: data});
- assertEquals(['-2','0','2','4','6','8','10'], getYLabels());
-
- // Now 100
- data += "6,100\n";
- g.updateOptions({file: data});
- assertEquals(['0','20','40','60','80','100'], getYLabels());
-
- g.setSelection(0);
- assertEquals('0: Y:-1', getLegend());
-};
-
-AxisLabelsTestCase.prototype.testSmallRangeNearZero = function() {
- var opts = {
- drawAxesAtZero: true,
- width: 480,
- height: 320
- };
- var data = "X,Y\n" +
- "0,-1\n" +
- "1,0\n" +
- "2,1\n" +
- "3,0\n"
- ;
- opts.valueRange = [-0.1, 0.1];
-
- var graph = document.getElementById("graph");
- var g = new Dygraph(graph, data, opts);
- assertEqualsDelta(makeNumbers(["-0.1","-0.08","-0.06","-0.04","-0.02","0","0.02","0.04","0.06","0.08"]),
- makeNumbers(getYLabels()), this.kCloseFloat);
-
- opts.valueRange = [-0.05, 0.05];
- g.updateOptions(opts);
- // TODO(danvk): why '1.00e-2' and not '0.01'?
- assertEquals(makeNumbers(["-0.05","-0.04","-0.03","-0.02","-0.01","0","1.00e-2","0.02","0.03","0.04"]),
- makeNumbers(getYLabels()));
-
- opts.valueRange = [-0.01, 0.01];
- g.updateOptions(opts);
- assertEquals(makeNumbers(["-0.01","-8.00e-3","-6.00e-3","-4.00e-3","-2.00e-3","0","2.00e-3","4.00e-3","6.00e-3","8.00e-3"]), makeNumbers(getYLabels()));
-
- g.setSelection(1);
- assertEquals('1: Y:0', getLegend());
-};
-
-AxisLabelsTestCase.prototype.testSmallRangeAwayFromZero = function() {
- var opts = {
- width: 480,
- height: 320
- };
- var data = "X,Y\n" +
- "0,-1\n" +
- "1,0\n" +
- "2,1\n" +
- "3,0\n"
- ;
- var graph = document.getElementById("graph");
-
- opts.valueRange = [9.9, 10.1];
- var g = new Dygraph(graph, data, opts);
- assertEquals(["9.9","9.92","9.94","9.96","9.98","10","10.02","10.04","10.06","10.08"], getYLabels());
-
- opts.valueRange = [9.99, 10.01];
- g.updateOptions(opts);
- // TODO(danvk): this is bad
- assertEquals(["9.99","9.99","9.99","10","10","10","10","10","10.01","10.01"], getYLabels());
-
- opts.valueRange = [9.999, 10.001];
- g.updateOptions(opts);
- // TODO(danvk): this is even worse!
- assertEquals(["10","10","10","10","10","10","10","10","10","10"], getYLabels());
-
- g.setSelection(1);
- assertEquals('1: Y:0', getLegend());
-};
-
-AxisLabelsTestCase.prototype.testXAxisTimeLabelFormatter = function() {