Merge branch 'master' of github.com:danvk/dygraphs

Conflicts:
	auto_tests/tests/Util.js
	auto_tests/tests/axis_labels.js

diff --cc auto_tests/tests/Util.js
index 1fce3a0,6469bc6..3eb59e3
--- 1/auto_tests/tests/Util.js
--- 2/auto_tests/tests/Util.js
+++ b/auto_tests/tests/Util.js
@@@ -55,27 -55,16 +55,39 @@@ Util.getLegend = function(parent) 
    parent = parent || document;
    var legend = parent.getElementsByClassName("dygraph-legend")[0];
    return legend.textContent;
 -}
 +};
 +
 +/**
 + * Assert that all the elements in 'parent' with class 'className' is
 + * the expected font size.
 + */
 +Util.assertFontSizes = function(parent, className, expectedSize) {
 +  var expectedSizePx = expectedSize + "px";
 +  var labels = parent.getElementsByClassName(className);
 +  assertTrue(labels.length > 0);
 +
 +  // window.getComputedStyle is apparently compatible with all browsers
 +  // (IE first became compatible with IE9.)
 +  // If this test fails on earlier browsers, then enable something like this,
 +  // because the font size is set by the parent div.
 +  // if (!window.getComputedStyle) {
 +  //   fontSize = label.parentElement.style.fontSize;
 +  // }
 +  for (var idx = 0; idx < labels.length; idx++) {
 +    var label = labels[idx];
 +    var fontSize = window.getComputedStyle(label).fontSize;
 +    assertEquals(expectedSizePx, fontSize);
 +  }
 +};
+ 
+ 
+ /**
+  * Takes in an array of strings and returns an array of floats.
+  */
+ Util.makeNumbers = function(ary) {
+   var ret = [];
+   for (var i = 0; i < ary.length; i++) {
+     ret.push(parseFloat(ary[i]));
+   }
+   return ret;
 -}
++};

diff --cc auto_tests/tests/axis_labels.js
index 00f3913,2eb7f4d..56ddf3d
--- 1/auto_tests/tests/axis_labels.js
--- 2/auto_tests/tests/axis_labels.js
+++ b/auto_tests/tests/axis_labels.js
@@@ -577,12 -566,103 +566,83 @@@ AxisLabelsTestCase.prototype.testInclud
    assertEquals(['500','600','700','800','900','1000'], Util.getYLabels());
  }
  
 -/*
 - * This test will pass when
 - * https://code.google.com/p/dygraphs/issues/detail?id=413
 - * is fixed.
 -AxisLabelsTestCase.prototype.testAxisLabelFontSize2 = function() {
+ AxisLabelsTestCase.prototype.testAxisLabelFontSize = function() {
+   var graph = document.getElementById("graph");
+   var g = new Dygraph(graph, AxisLabelsTestCase.simpleData, {});
+   var assertSize = function(className, size) {
+     var sizePx = size + "px";
+     var labels = graph.getElementsByClassName(className);
+     assertTrue(labels.length > 0);
+  
+     // window.getComputedStyle is apparently compatible with all browsers
+     // (IE first became compatible with IE9.)
+     // If this test fails on earlier browsers, then enable something like this,
+     // because the font size is set by the parent div.
+     // if (!window.getComputedStyle) {
+     //   fontSize = label.parentElement.style.fontSize;
+     // }
+     for (var idx = 0; idx < labels.length; idx++) {
+       var label = labels[idx];
+       var fontSize = window.getComputedStyle(label).fontSize;
+       assertEquals(sizePx, fontSize);
+     }
+   }
+ 
+   // Be sure we're dealing with a 14-point default.
+   assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);
+ 
+   assertSize("dygraph-axis-label-x", 14);
+   assertSize("dygraph-axis-label-y", 14);
+ 
+   g.updateOptions({ axisLabelFontSize : 8});
+   assertSize("dygraph-axis-label-x", 8);
+   assertSize("dygraph-axis-label-y", 8);
+ 
+ /*
+  Enable these tests when https://code.google.com/p/dygraphs/issues/detail?id=126
+  is fixed.
+ 
+   g.updateOptions({
+     axisLabelFontSize : null,
+     axes : {
+       x : { axisLabelFontSize : 5 },
+     }
+   });
+ 
+   assertSize("dygraph-axis-label-x", 5);
+   assertSize("dygraph-axis-label-y", 14);
+ 
+   g.updateOptions({
+     axisLabelFontSize : null,
+     axes : {
+       y : { axisLabelFontSize : 3 },
+     }
+   });
+ 
+   assertSize("dygraph-axis-label-x", 5);
+   assertSize("dygraph-axis-label-y", 3);
+ 
+   g.updateOptions({
+     series : {
+       Y2 : { axis : "y2" } // copy y2 series to y2 axis.
+     },
+     axes : {
+       y2 : { axisLabelFontSize : 8 },
+     }
+   });
+ 
+   assertSize("dygraph-axis-label-x", 5);
+   assertSize("dygraph-axis-label-y", 3);
+   assertSize("dygraph-axis-label-y2", 8);
+ */
+ }
+ 
 +AxisLabelsTestCase.prototype.testAxisLabelFontSizeNull = function() {
    var graph = document.getElementById("graph");
    var g = new Dygraph(graph, AxisLabelsTestCase.simpleData,
 -    {axisLabelFontSize: undefined});
 -  var assertSize = function(className, size) {
 -    var sizePx = size + "px";
 -    var labels = graph.getElementsByClassName(className);
 -    assertTrue(labels.length > 0);
 - 
 -    // window.getComputedStyle is apparently compatible with all browsers
 -    // (IE first became compatible with IE9.)
 -    // If this test fails on earlier browsers, then enable something like this,
 -    // because the font size is set by the parent div.
 -    // if (!window.getComputedStyle) {
 -    //   fontSize = label.parentElement.style.fontSize;
 -    // }
 -    for (var idx = 0; idx < labels.length; idx++) {
 -      var label = labels[idx];
 -      var fontSize = window.getComputedStyle(label).fontSize;
 -      assertEquals(sizePx, fontSize);
 -    }
 -  }
 +    {
 +      axisLabelFontSize: null
 +    });
  
    // Be sure we're dealing with a 14-point default.
    assertEquals(14, Dygraph.DEFAULT_ATTRS.axisLabelFontSize);