1 files changed, 142 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_timeline_ticks.js b/devtools/client/netmonitor/test/browser_net_timeline_ticks.js
new file mode 100644
index 000000000..2aafcb98d
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_timeline_ticks.js
@@ -0,0 +1,142 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests if timeline correctly displays interval divisions.
+ */
+
+add_task(function* () {
+  let { L10N } = require("devtools/client/netmonitor/l10n");
+
+  let { tab, monitor } = yield initNetMonitor(SIMPLE_URL);
+  info("Starting test... ");
+
+  let { $, $all, NetMonitorView, NetMonitorController } = monitor.panelWin;
+  let { RequestsMenu } = NetMonitorView;
+
+  // Disable transferred size column support for this test.
+  // Without this, the waterfall only has enough room for one division, which
+  // would remove most of the value of this test.
+  $("#requests-menu-transferred-header-box").hidden = true;
+  $("#requests-menu-item-template .requests-menu-transferred").hidden = true;
+
+  RequestsMenu.lazyUpdate = false;
+
+  ok($("#requests-menu-waterfall-label"),
+    "An timeline label should be displayed when the frontend is opened.");
+  ok($all(".requests-menu-timings-division").length == 0,
+    "No tick labels should be displayed when the frontend is opened.");
+
+  ok(!RequestsMenu._canvas, "No canvas should be created when the frontend is opened.");
+  ok(!RequestsMenu._ctx, "No 2d context should be created when the frontend is opened.");
+
+  let wait = waitForNetworkEvents(monitor, 1);
+  tab.linkedBrowser.reload();
+  yield wait;
+
+  // Make sure the DOMContentLoaded and load markers don't interfere with
+  // this test by removing them and redrawing the waterfall (bug 1224088).
+  NetMonitorController.NetworkEventsHandler.clearMarkers();
+  RequestsMenu._flushWaterfallViews(true);
+
+  ok(!$("#requests-menu-waterfall-label"),
+    "The timeline label should be hidden after the first request.");
+  ok($all(".requests-menu-timings-division").length >= 3,
+    "There should be at least 3 tick labels in the network requests header.");
+
+  is($all(".requests-menu-timings-division")[0].getAttribute("value"),
+    L10N.getFormatStr("networkMenu.millisecond", 0),
+    "The first tick label has an incorrect value");
+  is($all(".requests-menu-timings-division")[1].getAttribute("value"),
+    L10N.getFormatStr("networkMenu.millisecond", 80),
+    "The second tick label has an incorrect value");
+  is($all(".requests-menu-timings-division")[2].getAttribute("value"),
+    L10N.getFormatStr("networkMenu.millisecond", 160),
+    "The third tick label has an incorrect value");
+
+  is($all(".requests-menu-timings-division")[0].style.transform, "translateX(0px)",
+    "The first tick label has an incorrect translation");
+  is($all(".requests-menu-timings-division")[1].style.transform, "translateX(80px)",
+    "The second tick label has an incorrect translation");
+  is($all(".requests-menu-timings-division")[2].style.transform, "translateX(160px)",
+    "The third tick label has an incorrect translation");
+
+  ok(RequestsMenu._canvas, "A canvas should be created after the first request.");
+  ok(RequestsMenu._ctx, "A 2d context should be created after the first request.");
+
+  let imageData = RequestsMenu._ctx.getImageData(0, 0, 161, 1);
+  ok(imageData, "The image data should have been created.");
+
+  let data = imageData.data;
+  ok(data, "The image data should contain a pixel array.");
+
+  ok(hasPixelAt(0), "The tick at 0 is should not be empty.");
+  ok(!hasPixelAt(1), "The tick at 1 is should be empty.");
+  ok(!hasPixelAt(19), "The tick at 19 is should be empty.");
+  ok(hasPixelAt(20), "The tick at 20 is should not be empty.");
+  ok(!hasPixelAt(21), "The tick at 21 is should be empty.");
+  ok(!hasPixelAt(39), "The tick at 39 is should be empty.");
+  ok(hasPixelAt(40), "The tick at 40 is should not be empty.");
+  ok(!hasPixelAt(41), "The tick at 41 is should be empty.");
+  ok(!hasPixelAt(59), "The tick at 59 is should be empty.");
+  ok(hasPixelAt(60), "The tick at 60 is should not be empty.");
+  ok(!hasPixelAt(61), "The tick at 61 is should be empty.");
+  ok(!hasPixelAt(79), "The tick at 79 is should be empty.");
+  ok(hasPixelAt(80), "The tick at 80 is should not be empty.");
+  ok(!hasPixelAt(81), "The tick at 81 is should be empty.");
+  ok(!hasPixelAt(159), "The tick at 159 is should be empty.");
+  ok(hasPixelAt(160), "The tick at 160 is should not be empty.");
+  ok(!hasPixelAt(161), "The tick at 161 is should be empty.");
+
+  ok(isPixelBrighterAtThan(0, 20),
+    "The tick at 0 should be brighter than the one at 20");
+  ok(isPixelBrighterAtThan(40, 20),
+    "The tick at 40 should be brighter than the one at 20");
+  ok(isPixelBrighterAtThan(40, 60),
+    "The tick at 40 should be brighter than the one at 60");
+  ok(isPixelBrighterAtThan(80, 60),
+    "The tick at 80 should be brighter than the one at 60");
+
+  ok(isPixelBrighterAtThan(80, 100),
+    "The tick at 80 should be brighter than the one at 100");
+  ok(isPixelBrighterAtThan(120, 100),
+    "The tick at 120 should be brighter than the one at 100");
+  ok(isPixelBrighterAtThan(120, 140),
+    "The tick at 120 should be brighter than the one at 140");
+  ok(isPixelBrighterAtThan(160, 140),
+    "The tick at 160 should be brighter than the one at 140");
+
+  ok(isPixelEquallyBright(20, 60),
+    "The tick at 20 should be equally bright to the one at 60");
+  ok(isPixelEquallyBright(100, 140),
+    "The tick at 100 should be equally bright to the one at 140");
+
+  ok(isPixelEquallyBright(40, 120),
+    "The tick at 40 should be equally bright to the one at 120");
+
+  ok(isPixelEquallyBright(0, 80),
+    "The tick at 80 should be equally bright to the one at 160");
+  ok(isPixelEquallyBright(80, 160),
+    "The tick at 80 should be equally bright to the one at 160");
+
+  function hasPixelAt(x) {
+    let i = (x | 0) * 4;
+    return data[i] && data[i + 1] && data[i + 2] && data[i + 3];
+  }
+
+  function isPixelBrighterAtThan(x1, x2) {
+    let i = (x1 | 0) * 4;
+    let j = (x2 | 0) * 4;
+    return data[i + 3] > data [j + 3];
+  }
+
+  function isPixelEquallyBright(x1, x2) {
+    let i = (x1 | 0) * 4;
+    let j = (x2 | 0) * 4;
+    return data[i + 3] == data [j + 3];
+  }
+
+  return teardown(monitor);
+});