From f35016e8b97d39691777a8ad850bfa314e7e223a Mon Sep 17 00:00:00 2001
From: Dan Vanderkam <danvk@google.com>
Date: Thu, 11 Aug 2011 17:42:55 -0400
Subject: [PATCH] error bars test

---
 auto_tests/misc/local.html     |  1 +
 auto_tests/tests/error_bars.js | 90 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 auto_tests/tests/error_bars.js

diff --git a/auto_tests/misc/local.html b/auto_tests/misc/local.html
index 1fba05c..a0bccd9 100644
--- a/auto_tests/misc/local.html
+++ b/auto_tests/misc/local.html
@@ -28,6 +28,7 @@
   <script type="text/javascript" src="../tests/css.js"></script>
   <script type="text/javascript" src="../tests/selection.js"></script>
   <script type="text/javascript" src="../tests/rolling_average.js"></script>
+  <script type="text/javascript" src="../tests/error_bars.js"></script>
   <script type="text/javascript" src="../tests/update_options.js"></script>
 
 
diff --git a/auto_tests/tests/error_bars.js b/auto_tests/tests/error_bars.js
new file mode 100644
index 0000000..0d8b3ba
--- /dev/null
+++ b/auto_tests/tests/error_bars.js
@@ -0,0 +1,90 @@
+/**
+ * @fileoverview FILL THIS IN
+ *
+ * @author danvk@google.com (Dan Vanderkam)
+ */
+var errorBarsTestCase = TestCase("error-bars");
+
+errorBarsTestCase.prototype.setUp = function() {
+  document.body.innerHTML = "<div id='graph'></div>";
+};
+
+var _origFunc = Dygraph.getContext;
+errorBarsTestCase.prototype.setUp = function() {
+  document.body.innerHTML = "<div id='graph'></div>";
+  Dygraph.getContext = function(canvas) {
+    return new Proxy(_origFunc(canvas));
+  }
+};
+
+errorBarsTestCase.prototype.tearDown = function() {
+  Dygraph.getContext = _origFunc;
+};
+
+errorBarsTestCase.prototype.testNameGoesHere = function() {
+  var opts = {
+    width: 480,
+    height: 320,
+    drawXGrid: false,
+    drawYGrid: false,
+    drawXAxis: false,
+    drawYAxis: false,
+    customBars: true,
+    errorBars: true
+  };
+  var data = [
+               [1, [10,  10, 100]],
+               [2, [15,  20, 110]],
+               [3, [10,  30, 100]],
+               [4, [15,  40, 110]],
+               [5, [10, 120, 100]],
+               [6, [15,  50, 110]],
+               [7, [10,  70, 100]],
+               [8, [15,  90, 110]],
+               [9, [10,  50, 100]]
+             ];
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, opts);
+
+  htx = g.hidden_ctx_;
+
+  var attrs = {};  // TODO(danvk): fill in
+
+  for (var i = 0; i < data.length - 1; i++) {
+    // bottom line
+    var xy1 = g.toDomCoords(data[i][0], data[i][1][0]);
+    var xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][0]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+
+    // top line
+    xy1 = g.toDomCoords(data[i][0], data[i][1][2]);
+    xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][2]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+
+    // middle line
+    xy1 = g.toDomCoords(data[i][0], data[i][1][1]);
+    xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][1]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+  }
+
+  g.updateOptions({logscale: true});
+
+  for (var i = 0; i < data.length - 1; i++) {
+    // bottom line
+    var xy1 = g.toDomCoords(data[i][0], data[i][1][0]);
+    var xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][0]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+
+    // top line
+    xy1 = g.toDomCoords(data[i][0], data[i][1][2]);
+    xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][2]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+
+    // middle line
+    xy1 = g.toDomCoords(data[i][0], data[i][1][1]);
+    xy2 = g.toDomCoords(data[i + 1][0], data[i + 1][1][1]);
+    CanvasAssertions.assertLineDrawn(htx, xy1, xy2, attrs);
+  }
+};
+
-- 
2.7.4