import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/shared/test/browser_graphs-02.js

@@ -0,0 +1,107 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that graph widgets can properly add data, regions and highlights.
+
+const TEST_DATA = [
+  { delta: 112, value: 48 }, { delta: 213, value: 59 },
+  { delta: 313, value: 60 }, { delta: 413, value: 59 },
+  { delta: 530, value: 59 }, { delta: 646, value: 58 },
+  { delta: 747, value: 60 }, { delta: 863, value: 48 },
+  { delta: 980, value: 37 }, { delta: 1097, value: 30 },
+  { delta: 1213, value: 29 }, { delta: 1330, value: 23 },
+  { delta: 1430, value: 10 }, { delta: 1534, value: 17 },
+  { delta: 1645, value: 20 }, { delta: 1746, value: 22 },
+  { delta: 1846, value: 39 }, { delta: 1963, value: 26 },
+  { delta: 2080, value: 27 }, { delta: 2197, value: 35 },
+  { delta: 2312, value: 47 }, { delta: 2412, value: 53 },
+  { delta: 2514, value: 60 }, { delta: 2630, value: 37 },
+  { delta: 2730, value: 36 }, { delta: 2830, value: 37 },
+  { delta: 2946, value: 36 }, { delta: 3046, value: 40 },
+  { delta: 3163, value: 47 }, { delta: 3280, value: 41 },
+  { delta: 3380, value: 35 }, { delta: 3480, value: 27 },
+  { delta: 3580, value: 39 }, { delta: 3680, value: 42 },
+  { delta: 3780, value: 49 }, { delta: 3880, value: 55 },
+  { delta: 3980, value: 60 }, { delta: 4080, value: 60 },
+  { delta: 4180, value: 60 }
+];
+const TEST_REGIONS = [{ start: 320, end: 460 }, { start: 780, end: 860 }];
+const LineGraphWidget = require("devtools/client/shared/widgets/LineGraphWidget");
+
+add_task(function* () {
+  yield addTab("about:blank");
+  yield performTest();
+  gBrowser.removeCurrentTab();
+});
+
+function* performTest() {
+  let [host,, doc] = yield createHost();
+  let graph = new LineGraphWidget(doc.body, "fps");
+  yield graph.once("ready");
+
+  testDataAndRegions(graph);
+  testHighlights(graph);
+
+  yield graph.destroy();
+  host.destroy();
+}
+
+function testDataAndRegions(graph) {
+  let thrown1;
+  try {
+    graph.setRegions(TEST_REGIONS);
+  } catch (e) {
+    thrown1 = true;
+  }
+  ok(thrown1, "Setting regions before setting data shouldn't work.");
+
+  graph.setData(TEST_DATA);
+  graph.setRegions(TEST_REGIONS);
+
+  let thrown2;
+  try {
+    graph.setRegions(TEST_REGIONS);
+  } catch (e) {
+    thrown2 = true;
+  }
+  ok(thrown2, "Setting regions twice shouldn't work.");
+
+  ok(graph.hasData(), "The graph should now have the data source set.");
+  ok(graph.hasRegions(), "The graph should now have the regions set.");
+
+  is(graph.dataScaleX,
+     // last & first tick in TEST_DATA
+     graph.width / 4180,
+    "The data scale on the X axis is correct.");
+
+  is(graph.dataScaleY,
+     // max value in TEST_DATA * GRAPH_DAMPEN_VALUES
+     graph.height / 60 * 0.85,
+    "The data scale on the Y axis is correct.");
+
+  for (let i = 0; i < TEST_REGIONS.length; i++) {
+    let original = TEST_REGIONS[i];
+    let normalized = graph._regions[i];
+
+    is(original.start * graph.dataScaleX, normalized.start,
+      "The region's start value was properly normalized.");
+    is(original.end * graph.dataScaleX, normalized.end,
+      "The region's end value was properly normalized.");
+  }
+}
+
+function testHighlights(graph) {
+  graph.setMask(TEST_REGIONS);
+  ok(graph.hasMask(),
+    "The graph should now have the highlights set.");
+
+  graph.setMask([]);
+  ok(graph.hasMask(),
+    "The graph shouldn't have anything highlighted.");
+
+  graph.setMask(null);
+  ok(!graph.hasMask(),
+    "The graph should have everything highlighted.");
+}