1 files changed, 49 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_charts-02.js b/devtools/client/netmonitor/test/browser_net_charts-02.js
new file mode 100644
index 000000000..ae53147f0
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_charts-02.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Makes sure Pie Charts have the right internal structure when
+ * initialized with empty data.
+ */
+
+add_task(function* () {
+  let { L10N } = require("devtools/client/netmonitor/l10n");
+
+  let { monitor } = yield initNetMonitor(SIMPLE_URL);
+  info("Starting test... ");
+
+  let { document, Chart } = monitor.panelWin;
+
+  let pie = Chart.Pie(document, {
+    data: null,
+    width: 100,
+    height: 100
+  });
+
+  let node = pie.node;
+  let slices = node.querySelectorAll(".pie-chart-slice.chart-colored-blob");
+  let labels = node.querySelectorAll(".pie-chart-label");
+
+  ok(node.classList.contains("pie-chart-container") &&
+     node.classList.contains("generic-chart-container"),
+    "A pie chart container was created successfully.");
+
+  is(slices.length, 1, "There should be 1 pie chart slice created.");
+  ok(slices[0].getAttribute("d").match(
+    /\s*M 50,50 L 50\.\d+,2\.5\d* A 47\.5,47\.5 0 1 1 49\.\d+,2\.5\d* Z/),
+    "The first slice has the correct data.");
+
+  ok(slices[0].hasAttribute("largest"),
+    "The first slice should be the largest one.");
+  ok(slices[0].hasAttribute("smallest"),
+    "The first slice should also be the smallest one.");
+  ok(slices[0].getAttribute("name"), L10N.getStr("pieChart.loading"),
+    "The first slice's name is correct.");
+
+  is(labels.length, 1, "There should be 1 pie chart label created.");
+  is(labels[0].textContent, "Loading", "The first label's text is correct.");
+
+  yield teardown(monitor);
+});