X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fcallback.js;h=a727fa5b16b06f0230a8b9324c4e340dfd971223;hb=ba6974629b86abd59888c2252c454a5de49fbc79;hp=1d748fb974b81e95d9839f37358c490a7998355f;hpb=277f6bfc262687d7f90152d496177c777e945306;p=dygraphs.git

diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 1d748fb..a727fa5 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -577,7 +577,7 @@ CallbackTestCase.prototype.underlayCallback_noSeries = function() {
   var callback = function(canvas, area, g) {
     called = true;
     yMin = g.yAxisRange(0)[0];
-    yMax = g.yAxisRange(0)[0];
+    yMax = g.yAxisRange(0)[1];
   };
 
   var graph = document.getElementById("graph");
@@ -589,3 +589,25 @@ CallbackTestCase.prototype.underlayCallback_noSeries = function() {
   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);
+};