X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fselection.js;h=ff220f6f831ced3b5068f7de0908016e59dfb783;hb=15c1e309939d7e3a5eb363f84547c1efd336c365;hp=2e68c1fcc249947188a18822c5e15c19b540212a;hpb=87bbdb4de4fd90de4cb3158dcecdc4f893b3b5d4;p=dygraphs.git

diff --git a/auto_tests/tests/selection.js b/auto_tests/tests/selection.js
index 2e68c1f..ff220f6 100644
--- a/auto_tests/tests/selection.js
+++ b/auto_tests/tests/selection.js
@@ -48,3 +48,43 @@ SelectionTestCase.prototype.testSetGetSelectionDense = function() {
   g.setSelection(3);
   assertEquals(3, g.getSelection());
 };
+
+SelectionTestCase.prototype.testSetGetSelectionMissingPoints = function() {
+  dataHandler = function() {};
+  dataHandler.prototype = new Dygraph.DataHandlers.DefaultHandler();
+  dataHandler.prototype.seriesToPoints = function(series, setName, boundaryIdStart) {
+    var val = null;
+    if (setName == 'A') {
+      val = 1;
+    } else if (setName == 'B') {
+      val = 2;
+    } else if (setName == 'C') {
+      val = 3;
+    }
+    return [{
+      x: NaN,
+      y: NaN,
+      xval: val,
+      yval: val,
+      name: setName,
+      idx: val - 1
+    }];
+  };
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph,
+    "X,A,B,C\n" +
+    "1,1,null,null\n" +
+    "2,null,2,null\n" +
+    "3,null,null,3\n",
+    {
+      dataHandler: dataHandler
+    }
+  );
+
+  g.setSelection(0);
+  assertEquals(0, g.getSelection());
+  g.setSelection(1);
+  assertEquals(1, g.getSelection());
+  g.setSelection(2);
+  assertEquals(2, g.getSelection());
+};