1 files changed, 67 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_cubicbezier-revert-on-ESC.js b/devtools/client/inspector/rules/test/browser_rules_cubicbezier-revert-on-ESC.js
new file mode 100644
index 0000000000..91371fa548
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_cubicbezier-revert-on-ESC.js
@@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that changes made to the cubic-bezier timing-function in the
+// cubic-bezier tooltip are reverted when ESC is pressed.
+
+const TEST_URI = `
+  <style type='text/css'>
+    body {
+      animation-timing-function: linear;
+    }
+  </style>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { view } = await openRuleView();
+  await testPressingEscapeRevertsChanges(view);
+});
+
+async function testPressingEscapeRevertsChanges(view) {
+  const { propEditor } = await openCubicBezierAndChangeCoords(
+    view,
+    1,
+    0,
+    [0.1, 2, 0.9, -1],
+    {
+      selector: "body",
+      name: "animation-timing-function",
+      value: "cubic-bezier(0.1, 2, 0.9, -1)",
+    }
+  );
+
+  is(
+    propEditor.valueSpan.textContent,
+    "cubic-bezier(.1,2,.9,-1)",
+    "Got expected property value."
+  );
+
+  await escapeTooltip(view);
+
+  await waitForComputedStyleProperty(
+    "body",
+    null,
+    "animation-timing-function",
+    "linear"
+  );
+  is(
+    propEditor.valueSpan.textContent,
+    "linear",
+    "Got expected property value."
+  );
+}
+
+async function escapeTooltip(view) {
+  info("Pressing ESCAPE to close the tooltip");
+
+  const bezierTooltip = view.tooltips.getTooltip("cubicBezier");
+  const widget = await bezierTooltip.widget;
+  const onHidden = bezierTooltip.tooltip.once("hidden");
+  const onModifications = view.once("ruleview-changed");
+  focusAndSendKey(widget.parent.ownerDocument.defaultView, "ESCAPE");
+  await onHidden;
+  await onModifications;
+}