Add m-esr52 at 52.6.0

1 files changed, 43 insertions, 0 deletions

diff --git a/devtools/client/webaudioeditor/test/browser_wa_graph-zoom.js b/devtools/client/webaudioeditor/test/browser_wa_graph-zoom.js
new file mode 100644
index 000000000..240b6d5a1
--- /dev/null
+++ b/devtools/client/webaudioeditor/test/browser_wa_graph-zoom.js
@@ -0,0 +1,43 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that the graph's scale and position is reset on a page reload.
+ */
+
+add_task(function* () {
+  let { target, panel } = yield initWebAudioEditor(SIMPLE_CONTEXT_URL);
+  let { panelWin } = panel;
+  let { gFront, $, $$, EVENTS, ContextView } = panelWin;
+
+  let started = once(gFront, "start-context");
+
+  yield Promise.all([
+    waitForGraphRendered(panelWin, 3, 2),
+    reload(target),
+  ]);
+
+  is(ContextView.getCurrentScale(), 1, "Default graph scale is 1.");
+  is(ContextView.getCurrentTranslation()[0], 20, "Default x-translation is 20.");
+  is(ContextView.getCurrentTranslation()[1], 20, "Default y-translation is 20.");
+
+  // Change both attribute and D3's internal store
+  panelWin.d3.select("#graph-target").attr("transform", "translate([100, 400]) scale(10)");
+  ContextView._zoomBinding.scale(10);
+  ContextView._zoomBinding.translate([100, 400]);
+
+  is(ContextView.getCurrentScale(), 10, "After zoom, scale is 10.");
+  is(ContextView.getCurrentTranslation()[0], 100, "After zoom, x-translation is 100.");
+  is(ContextView.getCurrentTranslation()[1], 400, "After zoom, y-translation is 400.");
+
+  yield Promise.all([
+    waitForGraphRendered(panelWin, 3, 2),
+    reload(target),
+  ]);
+
+  is(ContextView.getCurrentScale(), 1, "After refresh, graph scale is 1.");
+  is(ContextView.getCurrentTranslation()[0], 20, "After refresh, x-translation is 20.");
+  is(ContextView.getCurrentTranslation()[1], 20, "After refresh, y-translation is 20.");
+
+  yield teardown(target);
+});