1 files changed, 67 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_colorpicker-revert-on-ESC.js b/devtools/client/inspector/rules/test/browser_rules_colorpicker-revert-on-ESC.js
new file mode 100644
index 0000000000..47a39d0518
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_colorpicker-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 a color change in the color picker is reverted when ESC is
+// pressed.
+
+const TEST_URI = `
+  <style type="text/css">
+    body {
+      background-color: #EDEDED;
+    }
+  </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 { swatch, propEditor, cPicker } = await openColorPickerAndSelectColor(
+    view,
+    1,
+    0,
+    [0, 0, 0, 1],
+    {
+      selector: "body",
+      name: "background-color",
+      value: "rgb(0, 0, 0)",
+    }
+  );
+
+  is(
+    swatch.style.backgroundColor,
+    "rgb(0, 0, 0)",
+    "The color swatch's background was updated"
+  );
+  is(
+    propEditor.valueSpan.textContent,
+    "#000",
+    "The text of the background-color css property was updated"
+  );
+
+  const spectrum = cPicker.spectrum;
+
+  info("Pressing ESCAPE to close the tooltip");
+  const onHidden = cPicker.tooltip.once("hidden");
+  const onModifications = view.once("ruleview-changed");
+  EventUtils.sendKey("ESCAPE", spectrum.element.ownerDocument.defaultView);
+  await onHidden;
+  await onModifications;
+
+  await waitForComputedStyleProperty(
+    "body",
+    null,
+    "background-color",
+    "rgb(237, 237, 237)"
+  );
+  is(
+    propEditor.valueSpan.textContent,
+    "#EDEDED",
+    "Got expected property value."
+  );
+}