diff -r 000000000000 -r 6474c204b198 browser/devtools/netmonitor/test/browser_net_charts-07.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/netmonitor/test/browser_net_charts-07.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Makes sure Table Charts correctly handle empty source data.
+ */
+
+function test() {
+  initNetMonitor(SIMPLE_URL).then(([aTab, aDebuggee, aMonitor]) => {
+    info("Starting test... ");
+
+    let { document, L10N, Chart } = aMonitor.panelWin;
+    let container = document.createElement("box");
+
+    let table = Chart.Table(document, {
+      data: [],
+      totals: {
+        label1: value => "Hello " + L10N.numberWithDecimals(value, 2),
+        label2: value => "World " + L10N.numberWithDecimals(value, 2)
+      }
+    });
+
+    let node = table.node;
+    let grid = node.querySelector(".table-chart-grid");
+    let totals = node.querySelector(".table-chart-totals");
+    let rows = grid.querySelectorAll(".table-chart-row");
+    let sums = node.querySelectorAll(".table-chart-summary-label");
+
+    is(rows.length, 1,
+      "There should be 1 table chart row created.");
+
+    ok(rows[0].querySelector(".table-chart-row-box.chart-colored-blob"),
+      "A colored blob exists for the firt row.");
+    is(rows[0].querySelectorAll("label")[0].getAttribute("name"), "size",
+      "The first column of the first row exists.");
+    is(rows[0].querySelectorAll("label")[1].getAttribute("name"), "label",
+      "The second column of the first row exists.");
+    is(rows[0].querySelectorAll("label")[0].getAttribute("value"), "",
+      "The first column of the first row displays the correct text.");
+    is(rows[0].querySelectorAll("label")[1].getAttribute("value"), L10N.getStr("tableChart.unavailable"),
+      "The second column of the first row displays the correct text.");
+
+    is(sums.length, 2,
+      "There should be 2 total summaries created.");
+
+    is(totals.querySelectorAll(".table-chart-summary-label")[0].getAttribute("name"), "label1",
+      "The first sum's type is correct.");
+    is(totals.querySelectorAll(".table-chart-summary-label")[0].getAttribute("value"), "Hello 0",
+      "The first sum's value is correct.");
+
+    is(totals.querySelectorAll(".table-chart-summary-label")[1].getAttribute("name"), "label2",
+      "The second sum's type is correct.");
+    is(totals.querySelectorAll(".table-chart-summary-label")[1].getAttribute("value"), "World 0",
+      "The second sum's value is correct.");
+
+    teardown(aMonitor).then(finish);
+  });
+}