X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fcallback.js;h=b10cf1652bad6dc1d5602f9070128ec571728fc5;hb=fecbcf34fe28ef457e18ae6d21de8cc723702062;hp=1697e211515cc0e3c7391566d0bd12aa2d39695b;hpb=2996a18eb00729b2624d8d75e8d24b056c5732bc;p=dygraphs.git
diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 1697e21..b10cf16 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -1,54 +1,715 @@
-/**
+/**
* @fileoverview Test cases for the callbacks.
*
* @author uemit.seren@gmail.com (Ãmit Seren)
*/
-var CallbackTestCase = TestCase("callback");
+describe("callback", function() {
-CallbackTestCase.prototype.setUp = function() {
- document.body.innerHTML = "";
-};
+var xhr, styleSheet;
-CallbackTestCase.prototype.tearDown = function() {
-};
-
- var data = "X,a\,b,c\n" +
+beforeEach(function() {
+ document.body.innerHTML = "";
+ xhr = XMLHttpRequest;
+ styleSheet = document.createElement("style");
+ styleSheet.type = "text/css";
+ document.getElementsByTagName("head")[0].appendChild(styleSheet);
+});
+
+afterEach(function() {
+ window.XMLHttpRequest = xhr;
+});
+
+var data = "X,a,b,c\n" +
"10,-1,1,2\n" +
"11,0,3,1\n" +
"12,1,4,2\n" +
"13,0,2,3\n";
-
-
- /**
- * This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
- * is properly called when the first series is hidden (setVisibility = false)
- *
+
+
+/**
+ * This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
+ * is properly called when the first series is hidden (setVisibility = false)
+ *
+ */
+it('testHighlightCallbackIsCalled', function() {
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ assert.equal(g, this);
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data,
+ {
+ width: 100,
+ height: 100,
+ visibility: [false, true, true],
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 13, 10);
+
+ //check correct row is returned
+ assert.equal(3, h_row);
+ //check there are only two points (because first series is hidden)
+ assert.equal(2, h_pts.length);
+});
+
+
+/**
+ * Test that drawPointCallback isn't called when drawPoints is false
+ */
+it('testDrawPointCallback_disabled', function() {
+ var called = false;
+
+ var callback = function() {
+ assert.equal(g, this);
+ called = true;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, {
+ drawPointCallback: callback,
+ });
+
+ assert.isFalse(called);
+});
+
+/**
+ * Test that drawPointCallback is called when drawPoints is true
+ */
+it('testDrawPointCallback_enabled', function() {
+ var called = false;
+ var callbackThis = null;
+
+ var callback = function() {
+ callbackThis = this;
+ called = true;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, {
+ drawPoints: true,
+ drawPointCallback: callback
+ });
+
+ assert.isTrue(called);
+ assert.equal(g, callbackThis);
+});
+
+/**
+ * Test that drawPointCallback is called when drawPoints is true
+ */
+it('testDrawPointCallback_pointSize', function() {
+ var pointSize = 0;
+ var count = 0;
+
+ var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
+ assert.equal(g, this);
+ pointSize = pointSizeParam;
+ count++;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, {
+ drawPoints: true,
+ drawPointCallback: callback
+ });
+
+ assert.equal(1.5, pointSize);
+ assert.equal(12, count); // one call per data point.
+
+ var g = new Dygraph(graph, data, {
+ drawPoints: true,
+ drawPointCallback: callback,
+ pointSize: 8
+ });
+
+ assert.equal(8, pointSize);
+});
+
+/**
+ * Test that drawPointCallback is called for isolated points when
+ * drawPoints is false, and also for gap points if that's enabled.
+ */
+it('testDrawPointCallback_isolated', function() {
+ var xvalues = [];
+
+ var g;
+ var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
+ assert.equal(g, this);
+ var dx = g.toDataXCoord(cx);
+ xvalues.push(dx);
+ Dygraph.Circles.DEFAULT.apply(this, arguments);
+ };
+
+ var graph = document.getElementById("graph");
+ var testdata = [[10, 2], [11, 3], [12, NaN], [13, 2], [14, NaN], [15, 3]];
+ var graphOpts = {
+ labels: ['X', 'Y'],
+ valueRange: [0, 4],
+ drawPoints : false,
+ drawPointCallback : callback,
+ pointSize : 8
+ };
+
+ // Test that isolated points get drawn
+ g = new Dygraph(graph, testdata, graphOpts);
+ assert.equal(2, xvalues.length);
+ assert.equal(13, xvalues[0]);
+ assert.equal(15, xvalues[1]);
+
+ // Test that isolated points + gap points get drawn when
+ // drawGapEdgePoints is set. This should add one point at the right
+ // edge of the segment at x=11, but not at the graph edge at x=10.
+ xvalues = []; // Reset for new test
+ graphOpts.drawGapEdgePoints = true;
+ g = new Dygraph(graph, testdata, graphOpts);
+ assert.equal(3, xvalues.length);
+ assert.equal(11, xvalues[0]);
+ assert.equal(13, xvalues[1]);
+ assert.equal(15, xvalues[2]);
+});
+
+/**
+ * This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
+ * is properly called when the first series is hidden (setVisibility = false)
+ *
+ */
+it('testDrawHighlightPointCallbackIsCalled', function() {
+ var called = false;
+
+ var drawHighlightPointCallback = function() {
+ assert.equal(g, this);
+ called = true;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data,
+ {
+ width: 100,
+ height: 100,
+ drawHighlightPointCallback: drawHighlightPointCallback
+ });
+
+ assert.isFalse(called);
+ DygraphOps.dispatchMouseMove(g, 13, 10);
+ assert.isTrue(called);
+});
+
+/**
+ * Test the closest-series highlighting methods for normal and stacked modes.
+ * Also pass in line widths for plain and highlighted lines for easier visual
+ * confirmation that the highlighted line is drawn on top of the others.
+ */
+var runClosestTest = function(isStacked, widthNormal, widthHighlighted) {
+ var h_row;
+ var h_pts;
+ var h_series;
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data,
+ {
+ width: 600,
+ height: 400,
+ visibility: [false, true, true],
+ stackedGraph: isStacked,
+ strokeWidth: widthNormal,
+ strokeBorderWidth: 2,
+ highlightCircleSize: widthNormal * 2,
+ highlightSeriesBackgroundAlpha: 0.3,
+
+ highlightSeriesOpts: {
+ strokeWidth: widthHighlighted,
+ highlightCircleSize: widthHighlighted * 2
+ }
+ });
+
+ var highlightCallback = function(e, x, pts, row, set) {
+ assert.equal(g, this);
+ h_row = row;
+ h_pts = pts;
+ h_series = set;
+ document.getElementById('selection').innerHTML='row=' + row + ', set=' + set;
+ };
+
+ g.updateOptions({highlightCallback: highlightCallback}, true);
+
+ if (isStacked) {
+ DygraphOps.dispatchMouseMove(g, 11.45, 1.4);
+ assert.equal(1, h_row);
+ assert.equal('c', h_series);
+
+ //now move up in the same row
+ DygraphOps.dispatchMouseMove(g, 11.45, 1.5);
+ assert.equal(1, h_row);
+ assert.equal('b', h_series);
+
+ //and a bit to the right
+ DygraphOps.dispatchMouseMove(g, 11.55, 1.5);
+ assert.equal(2, h_row);
+ assert.equal('c', h_series);
+ } else {
+ DygraphOps.dispatchMouseMove(g, 11, 1.5);
+ assert.equal(1, h_row);
+ assert.equal('c', h_series);
+
+ //now move up in the same row
+ DygraphOps.dispatchMouseMove(g, 11, 2.5);
+ assert.equal(1, h_row);
+ assert.equal('b', h_series);
+ }
+
+ return g;
+};
+
+/**
+ * Test basic closest-point highlighting.
+ */
+it('testClosestPointCallback', function() {
+ runClosestTest(false, 1, 3);
+});
+
+/**
+ * Test setSelection() with series name
+ */
+it('testSetSelection', function() {
+ var g = runClosestTest(false, 1, 3);
+ assert.equal(1, g.attr_('strokeWidth', 'c'));
+ g.setSelection(false, 'c');
+ assert.equal(3, g.attr_('strokeWidth', 'c'));
+});
+
+/**
+ * Test closest-point highlighting for stacked graph
+ */
+it('testClosestPointStackedCallback', function() {
+ runClosestTest(true, 1, 3);
+});
+
+/**
+ * Closest-point highlighting with legend CSS - border around active series.
+ */
+it('testClosestPointCallbackCss1', function() {
+ var css = "div.dygraph-legend > span { display: block; }\n" +
+ "div.dygraph-legend > span.highlight { border: 1px solid grey; }\n";
+ styleSheet.innerHTML = css;
+ runClosestTest(false, 2, 4);
+ styleSheet.innerHTML = '';
+});
+
+/**
+ * Closest-point highlighting with legend CSS - show only closest series.
+ */
+it('testClosestPointCallbackCss2', function() {
+ var css = "div.dygraph-legend > span { display: none; }\n" +
+ "div.dygraph-legend > span.highlight { display: inline; }\n";
+ styleSheet.innerHTML = css;
+ runClosestTest(false, 10, 15);
+ styleSheet.innerHTML = '';
+ // TODO(klausw): verify that the highlighted line is drawn on top?
+});
+
+/**
+ * Closest-point highlighting with locked series.
+ */
+it('testSetSelectionLocking', function() {
+ var g = runClosestTest(false, 2, 4);
+
+ // Default behavior, 'b' is closest
+ DygraphOps.dispatchMouseMove(g, 11, 4);
+ assert.equal('b', g.getHighlightSeries());
+
+ // Now lock selection to 'c'
+ g.setSelection(false, 'c', true);
+ DygraphOps.dispatchMouseMove(g, 11, 4);
+ assert.equal('c', g.getHighlightSeries());
+
+ // Unlock, should be back to 'b'
+ g.clearSelection();
+ DygraphOps.dispatchMouseMove(g, 11, 4);
+ assert.equal('b', g.getHighlightSeries());
+});
+
+/**
+ * This tests that closest point searches work for data containing NaNs.
+ *
+ * It's intended to catch a regression where a NaN Y value confuses the
+ * closest-point algorithm, treating it as closer as any previous point.
+ */
+it('testNaNData', function() {
+ var dataNaN = [
+ [9, -1, NaN, NaN],
+ [10, -1, 1, 2],
+ [11, 0, 3, 1],
+ [12, 1, 4, NaN],
+ [13, 0, 2, 3],
+ [14, -1, 1, 4]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ assert.equal(g, this);
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataNaN,
+ {
+ width: 600,
+ height: 400,
+ labels: ['x', 'a', 'b', 'c'],
+ visibility: [false, true, true],
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+ //check correct row is returned
+ assert.equal(1, h_row);
+
+ // Explicitly test closest point algorithms
+ var dom = g.toDomCoords(10.1, 0.9);
+ assert.equal(1, g.findClosestRow(dom[0]));
+
+ var res = g.findClosestPoint(dom[0], dom[1]);
+ assert.equal(1, res.row);
+ assert.equal('b', res.seriesName);
+
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(1, res.row);
+ assert.equal('c', res.seriesName);
+});
+
+/**
+ * This tests that stacked point searches work for data containing NaNs.
+ */
+it('testNaNDataStack', function() {
+ var dataNaN = [
+ [9, -1, NaN, NaN],
+ [10, -1, 1, 2],
+ [11, 0, 3, 1],
+ [12, 1, NaN, 2],
+ [13, 0, 2, 3],
+ [14, -1, 1, 4],
+ [15, 0, 2, NaN],
+ [16, 1, 1, 3],
+ [17, 1, NaN, 3],
+ [18, 0, 2, 5],
+ [19, 0, 1, 4]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ assert.equal(g, this);
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataNaN,
+ {
+ width: 600,
+ height: 400,
+ labels: ['x', 'a', 'b', 'c'],
+ visibility: [false, true, true],
+ stackedGraph: true,
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+ //check correct row is returned
+ assert.equal(1, h_row);
+
+ // Explicitly test stacked point algorithm.
+ var dom = g.toDomCoords(10.1, 0.9);
+ var res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(1, res.row);
+ assert.equal('c', res.seriesName);
+
+ // All-NaN area at left, should get no points.
+ dom = g.toDomCoords(9.1, 0.9);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(0, res.row);
+ assert.equal(undefined, res.seriesName);
+
+ // First gap, get 'c' since it's non-NaN.
+ dom = g.toDomCoords(12.1, 0.9);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(3, res.row);
+ assert.equal('c', res.seriesName);
+
+ // Second gap, get 'b' since 'c' is NaN.
+ dom = g.toDomCoords(15.1, 0.9);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(6, res.row);
+ assert.equal('b', res.seriesName);
+
+ // Isolated points should work, finding series b in this case.
+ dom = g.toDomCoords(15.9, 3.1);
+ res = g.findStackedPoint(dom[0], dom[1]);
+ assert.equal(7, res.row);
+ assert.equal('b', res.seriesName);
+});
+
+it('testGapHighlight', function() {
+ var dataGap = [
+ [1, null, 3],
+ [2, 2, null],
+ [3, null, 5],
+ [4, 4, null],
+ [5, null, 7],
+ [6, NaN, null],
+ [8, 8, null],
+ [10, 10, null]];
+
+ var h_row;
+ var h_pts;
+
+ var highlightCallback = function(e, x, pts, row) {
+ assert.equal(g, this);
+ h_row = row;
+ h_pts = pts;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, dataGap, {
+ width: 400,
+ height: 300,
+ //stackedGraph: true,
+ connectSeparatedPoints: true,
+ drawPoints: true,
+ labels: ['x', 'A', 'B'],
+ highlightCallback: highlightCallback
+ });
+
+ DygraphOps.dispatchMouseMove(g, 1.1, 10);
+ //point from series B
+ assert.equal(0, h_row);
+ assert.equal(1, h_pts.length);
+ assert.equal(3, h_pts[0].yval);
+ assert.equal('B', h_pts[0].name);
+
+ DygraphOps.dispatchMouseMove(g, 6.1, 10);
+ // A is NaN at x=6
+ assert.equal(1, h_pts.length);
+ assert(isNaN(h_pts[0].yval));
+ assert.equal('A', h_pts[0].name);
+
+ DygraphOps.dispatchMouseMove(g, 8.1, 10);
+ //point from series A
+ assert.equal(6, h_row);
+ assert.equal(1, h_pts.length);
+ assert.equal(8, h_pts[0].yval);
+ assert.equal('A', h_pts[0].name);
+});
+
+it('testFailedResponse', function() {
+
+ // Fake out the XMLHttpRequest so it doesn't do anything.
+ XMLHttpRequest = function () {};
+ XMLHttpRequest.prototype.open = function () {};
+ XMLHttpRequest.prototype.send = function () {};
+
+ var highlightCallback = function(e, x, pts, row) {
+ throw "should not reach here";
+ };
+
+ var graph = document.getElementById("graph");
+ graph.style.border = "2px solid black";
+ var g = new Dygraph(graph, "data.csv", { // fake name
+ width: 400,
+ height: 300,
+ highlightCallback : highlightCallback
+ });
+
+ DygraphOps.dispatchMouseOver_Point(g, 800, 800);
+ DygraphOps.dispatchMouseMove_Point(g, 100, 100);
+ DygraphOps.dispatchMouseMove_Point(g, 800, 800);
+
+ var oldOnerror = window.onerror;
+ var failed = false;
+ window.onerror = function() { failed = true; return false; }
+
+ DygraphOps.dispatchMouseOut_Point(g, 800, 800); // This call should not throw an exception.
+
+ assert.isFalse(failed, "exception thrown during mouseout");
+});
+
+
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=355
+it('testHighlightCallbackRow', function() {
+ var highlightRow;
+ var highlightCallback = function(e, x, pts, row) {
+ assert.equal(g, this);
+ highlightRow = row;
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph,
+ "X,Y,Z\n" +
+ "0,1,2\n" + // 0
+ "1,2,3\n" + // 100
+ "2,3,4\n" + // 200
+ "3,4,5\n" + // 300
+ "4,5,6\n", // 400
+ { // fake name
+ width: 400,
+ height: 300,
+ highlightCallback : highlightCallback
+ });
+
+ // Mouse over each of the points
+ DygraphOps.dispatchMouseOver_Point(g, 0, 0);
+ DygraphOps.dispatchMouseMove_Point(g, 0, 0);
+ assert.equal(0, highlightRow);
+ DygraphOps.dispatchMouseMove_Point(g, 100, 0);
+ assert.equal(1, highlightRow);
+ DygraphOps.dispatchMouseMove_Point(g, 200, 0);
+ assert.equal(2, highlightRow);
+ DygraphOps.dispatchMouseMove_Point(g, 300, 0);
+ assert.equal(3, highlightRow);
+ DygraphOps.dispatchMouseMove_Point(g, 400, 0);
+ assert.equal(4, highlightRow);
+
+ // Now zoom and verify that the row numbers still refer to rows in the data
+ // array.
+ g.updateOptions({dateWindow: [2, 4]});
+ DygraphOps.dispatchMouseOver_Point(g, 0, 0);
+ DygraphOps.dispatchMouseMove_Point(g, 0, 0);
+ assert.equal(2, highlightRow);
+ assert.equal('2: Y: 3 Z: 4', Util.getLegend());
+});
+
+/**
+ * Test that underlay callback is called even when there are no series,
+ * and that the y axis ranges are not NaN.
+ */
+it('testUnderlayCallback_noSeries', function() {
+ var called = false;
+ var yMin, yMax;
+
+ var callback = function(canvas, area, g) {
+ assert.equal(g, this);
+ called = true;
+ yMin = g.yAxisRange(0)[0];
+ yMax = g.yAxisRange(0)[1];
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, "\n", {
+ underlayCallback: callback
+ });
+
+ assert.isTrue(called);
+ assert.isFalse(isNaN(yMin));
+ assert.isFalse(isNaN(yMax));
+});
+
+/**
+ * Test that underlay callback receives the correct y-axis range.
+ */
+it('testUnderlayCallback_yAxisRange', function() {
+ var called = false;
+ var yMin, yMax;
+
+ var callback = function(canvas, area, g) {
+ assert.equal(g, this);
+ yMin = g.yAxisRange(0)[0];
+ yMax = g.yAxisRange(0)[1];
+ };
+
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, "\n", {
+ valueRange: [0,10],
+ underlayCallback: callback
+ });
+
+ assert.equal(0, yMin);
+ assert.equal(10, yMax);
+});
+
+/**
+ * Test that drawPointCallback is called for isolated points and correct idx for the point is returned.
+ */
+it('testDrawPointCallback_idx', function() {
+ var indices = [];
+
+ var g;
+ var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam,idx) {
+ assert.equal(g, this);
+ indices.push(idx);
+ Dygraph.Circles.DEFAULT.apply(this, arguments);
+ };
+
+ var graph = document.getElementById("graph");
+
+ var testdata = [[10, 2], [11, 3], [12, NaN], [13, 2], [14, NaN], [15, 3]];
+ var graphOpts = {
+ labels: ['X', 'Y'],
+ valueRange: [0, 4],
+ drawPoints : false,
+ drawPointCallback : callback,
+ pointSize : 8
+ };
+
+ // Test that correct idx for isolated points are passed to the callback.
+ g = new Dygraph(graph, testdata, graphOpts);
+ assert.equal(2, indices.length);
+ assert.deepEqual([3, 5],indices);
+
+ // Test that correct indices for isolated points + gap points are passed to the callback when
+ // drawGapEdgePoints is set. This should add one point at the right
+ // edge of the segment at x=11, but not at the graph edge at x=10.
+ indices = []; // Reset for new test
+ graphOpts.drawGapEdgePoints = true;
+ g = new Dygraph(graph, testdata, graphOpts);
+ assert.equal(3, indices.length);
+ assert.deepEqual([1, 3, 5],indices);
+
+
+ //Test that correct indices are passed to the callback when zoomed in.
+ indices = []; // Reset for new test
+ graphOpts.dateWindow = [12.5,13.5]
+ graphOpts.drawPoints = true;
+ testdata = [[10, 2], [11, 3], [12, 4], [13, 2], [14, 5], [15, 3]];
+ g = new Dygraph(graph, testdata, graphOpts);
+ assert.equal(3, indices.length);
+ assert.deepEqual([2, 3, 4],indices);
+});
+
+/**
+ * Test that the correct idx is returned for the point in the onHiglightCallback.
*/
- CallbackTestCase.prototype.testHighlightCallbackIsCalled = function() {
- var h_row;
- var h_pts;
-
- var highlightCallback = function(e, x, pts, row) {
- h_row = row;
- h_pts = pts;
- };
-
-
-
- var graph = document.getElementById("graph");
- var g = new Dygraph(graph, data,
- {
- width: 100,
- height : 100,
- visibility: [false, true, true],
- highlightCallback : highlightCallback,
- });
-
- DygraphOps.dispatchMouseMove(g, 13, 10);
-
- //check correct row is returned
- assertEquals(3, h_row);
- //check there are only two points (because first series is hidden)
- assertEquals(2, h_pts.length);
- };
+it('testDrawHighlightPointCallback_idx', function() {
+ var idxToCheck = null;
+
+ var drawHighlightPointCallback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam,idx) {
+ assert.equal(g, this);
+ idxToCheck = idx;
+ };
+ var testdata = [[1, 2], [2, 3], [3, NaN], [4, 2], [5, NaN], [6, 3]];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, testdata,
+ {
+ drawHighlightPointCallback : drawHighlightPointCallback
+ });
+
+ assert.isNull(idxToCheck);
+ DygraphOps.dispatchMouseMove(g, 3, 0);
+ // check that NaN point is not highlighted
+ assert.isNull(idxToCheck);
+ DygraphOps.dispatchMouseMove(g, 1, 2);
+ // check that correct index is returned
+ assert.equal(0,idxToCheck);
+ DygraphOps.dispatchMouseMove(g, 6, 3);
+ assert.equal(5,idxToCheck);
+});
+
+});