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-rw-r--r--devtools/client/webaudioeditor/test/browser_wa_graph-render-03.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/devtools/client/webaudioeditor/test/browser_wa_graph-render-03.js b/devtools/client/webaudioeditor/test/browser_wa_graph-render-03.js
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index 000000000..ffd9b9881
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+++ b/devtools/client/webaudioeditor/test/browser_wa_graph-render-03.js
@@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests to ensure that selected nodes stay selected on graph redraw.
+ */
+
+add_task(function* () {
+ let { target, panel } = yield initWebAudioEditor(SIMPLE_CONTEXT_URL);
+ let { panelWin } = panel;
+ let { gFront, $, $$, EVENTS } = panelWin;
+
+ let events = Promise.all([
+ getN(gFront, "create-node", 3),
+ waitForGraphRendered(panelWin, 3, 2)
+ ]);
+ reload(target);
+ let [actors] = yield events;
+ let [dest, osc, gain] = actors;
+
+ yield clickGraphNode(panelWin, gain.actorID);
+ ok(findGraphNode(panelWin, gain.actorID).classList.contains("selected"),
+ "Node selected once.");
+
+ // Disconnect a node to trigger a rerender
+ osc.disconnect();
+
+ yield once(panelWin, EVENTS.UI_GRAPH_RENDERED);
+
+ ok(findGraphNode(panelWin, gain.actorID).classList.contains("selected"),
+ "Node still selected after rerender.");
+
+ yield teardown(target);
+});