assertTrue(g.isZoomed("x"));
assertTrue(g.isZoomed("y"));
};
+
+
+InteractionModelTestCase.prototype.testCorrectAxisValueRangeAfterUnzoom = function() {
+ var g = new Dygraph(document.getElementById("graph"), data2, {valueRange:[1,50],dateRange:[1,9],animatedZooms:false});
+
+ // Zoom x axis
+ DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+ DygraphOps.dispatchMouseMove_Point(g, 30, 10);
+ DygraphOps.dispatchMouseUp_Point(g, 30, 10);
+
+ // Zoom y axis
+ DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+ DygraphOps.dispatchMouseMove_Point(g, 10, 30);
+ DygraphOps.dispatchMouseUp_Point(g, 10, 30);
+ currentYAxisRange = g.yAxisRange();
+ currentXAxisRange = g.xAxisRange();
+
+ //check that the range for the axis has changed
+ assertNotEquals(1,currentXAxisRange[0]);
+ assertNotEquals(10,currentXAxisRange[1]);
+ assertNotEquals(1,currentYAxisRange[0]);
+ assertNotEquals(50,currentYAxisRange[1]);
+
+ // unzoom by doubleclick. This is really the order in which a browser
+ // generates events, and we depend on it.
+ DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+ DygraphOps.dispatchMouseUp_Point(g, 10, 10);
+ DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+ DygraphOps.dispatchMouseUp_Point(g, 10, 10);
+ DygraphOps.dispatchDoubleClick(g, null);
+
+ // check if range for y-axis was reset to original value
+ // TODO check if range for x-axis is correct.
+ // Currently not possible because dateRange is set to null and extremes are returned
+ newYAxisRange = g.yAxisRange();
+ assertEquals(1,newYAxisRange[0]);
+ assertEquals(50,newYAxisRange[1]);
+};
+
+/**
+ * Ensures pointClickCallback is called when some points along the y-axis don't
+ * exist.
+ */
+InteractionModelTestCase.prototype.testPointClickCallback_missingData = function() {
+
+ // There's a B-value at 2, but no A-value.
+ var data =
+ "X,A,B\n" +
+ "1,,100\n"+
+ "2,,110\n"+
+ "3,140,120\n"+
+ "4,130,110\n"+
+ "";
+
+ var clicked;
+ var g = new Dygraph(document.getElementById("graph"), data, {
+ pointClickCallback : function(event, point) {
+ clicked = point;
+ }
+ });
+
+ InteractionModelTestCase.clickAt(g, 2, 110);
+
+ assertEquals(2, clicked.xval);
+ assertEquals(110, clicked.yval);
+};