X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fcallback.js;h=a727fa5b16b06f0230a8b9324c4e340dfd971223;hb=ba6974629b86abd59888c2252c454a5de49fbc79;hp=601acebcc392b7383168406e4be9bd9e394a0fa8;hpb=c7ad69891a81c463fde1d9765bf9c8ae2780811e;p=dygraphs.git

diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 601aceb..a727fa5 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -521,3 +521,93 @@ CallbackTestCase.prototype.testFailedResponse = function() {
 
   assertFalse("exception thrown during mouseout", failed);
 };
+
+
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=355 
+CallbackTestCase.prototype.testHighlightCallbackRow = function() {
+  var highlightRow;
+  var highlightCallback = function(e, x, pts, row) {
+    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);
+  assertEquals(0, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 100, 0);
+  assertEquals(1, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 200, 0);
+  assertEquals(2, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 300, 0);
+  assertEquals(3, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 400, 0);
+  assertEquals(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);
+  assertEquals(2, highlightRow);
+  assertEquals('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.
+ */
+CallbackTestCase.prototype.underlayCallback_noSeries = function() {
+  var called = false;
+  var yMin, yMax;
+
+  var callback = function(canvas, area, g) {
+    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
+    });
+
+  assertTrue(called);
+  assertFalse(isNaN(yMin));
+  assertFalse(isNaN(yMax));
+};
+
+/**
+ * Test that underlay callback receives the correct y-axis range.
+ */
+CallbackTestCase.prototype.underlayCallback_yAxisRange = function() {
+  var called = false;
+  var yMin, yMax;
+
+  var callback = function(canvas, area, g) {
+    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
+    });
+
+  assertEquals(0, yMin);
+  assertEquals(10, yMax);
+};