1 files changed, 71 insertions, 0 deletions
diff --git a/devtools/client/inspector/flexbox/test/browser_flexbox_highlighter_color_picker_on_ESC.js b/devtools/client/inspector/flexbox/test/browser_flexbox_highlighter_color_picker_on_ESC.js
new file mode 100644
index 0000000000..59b24ba512
--- /dev/null
+++ b/devtools/client/inspector/flexbox/test/browser_flexbox_highlighter_color_picker_on_ESC.js
@@ -0,0 +1,71 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const asyncStorage = require("resource://devtools/shared/async-storage.js");
+
+// Test that the flexbox highlighter color change in the color picker is reverted when
+// ESCAPE is pressed.
+
+const TEST_URI = URL_ROOT + "doc_flexbox_specific_cases.html";
+
+add_task(async function () {
+  // Make sure there are no custom highlighter colors stored before starting.
+  await asyncStorage.removeItem("flexboxInspectorHostColors");
+
+  await addTab(TEST_URI);
+  const { inspector, flexboxInspector, layoutView } = await openLayoutView();
+  const { document: doc } = flexboxInspector;
+  const { store } = inspector;
+  const cPicker = layoutView.swatchColorPickerTooltip;
+  const spectrum = cPicker.spectrum;
+
+  const onColorSwatchRendered = waitForDOM(
+    doc,
+    ".layout-flexbox-wrapper .layout-color-swatch"
+  );
+  await selectNode("#container", inspector);
+  const [swatch] = await onColorSwatchRendered;
+
+  info("Checking the initial state of the Flexbox Inspector color picker.");
+  is(
+    swatch.style.backgroundColor,
+    "rgb(148, 0, 255)",
+    "The color swatch's background is correct."
+  );
+  is(
+    store.getState().flexbox.color,
+    "#9400FF",
+    "The flexbox color state is correct."
+  );
+
+  info("Opening the color picker by clicking on the color swatch.");
+  const onColorPickerReady = cPicker.once("ready");
+  swatch.click();
+  await onColorPickerReady;
+
+  await simulateColorPickerChange(cPicker, [0, 255, 0, 0.5]);
+
+  is(
+    swatch.style.backgroundColor,
+    "rgba(0, 255, 0, 0.5)",
+    "The color swatch's background was updated."
+  );
+
+  info("Pressing ESCAPE to close the tooltip.");
+  const onColorUpdate = waitUntilState(
+    store,
+    state => state.flexbox.color === "#9400FF"
+  );
+  const onColorPickerHidden = cPicker.tooltip.once("hidden");
+  focusAndSendKey(spectrum.element.ownerDocument.defaultView, "ESCAPE");
+  await onColorPickerHidden;
+  await onColorUpdate;
+
+  is(
+    swatch.style.backgroundColor,
+    "rgb(148, 0, 255)",
+    "The color swatch's background was reverted after ESCAPE."
+  );
+});