1 files changed, 83 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-property_04.js b/devtools/client/inspector/rules/test/browser_rules_edit-property_04.js
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index 0000000000..070832710b
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+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property_04.js
@@ -0,0 +1,83 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that a disabled property remains disabled when the escaping out of
+// the property editor.
+
+const TEST_URI = `
+  <style type='text/css'>
+  #testid {
+    background-color: blue;
+  }
+  </style>
+  <div id='testid'>Styled Node</div>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+  await selectNode("#testid", inspector);
+
+  const prop = getTextProperty(view, 1, { "background-color": "blue" });
+
+  info("Disabling a property");
+  await togglePropStatus(view, prop);
+
+  const newValue = await getRulePropertyValue(0, 0, "background-color");
+  is(newValue, "", "background-color should have been unset.");
+
+  await testEditDisableProperty(view, prop, "name", "VK_ESCAPE");
+  await testEditDisableProperty(view, prop, "value", "VK_ESCAPE");
+  await testEditDisableProperty(view, prop, "value", "VK_TAB");
+  await testEditDisableProperty(view, prop, "value", "VK_RETURN");
+});
+
+async function testEditDisableProperty(view, prop, fieldType, commitKey) {
+  const field =
+    fieldType === "name" ? prop.editor.nameSpan : prop.editor.valueSpan;
+
+  const editor = await focusEditableField(view, field);
+
+  ok(
+    !prop.editor.element.classList.contains("ruleview-overridden"),
+    "property is not overridden."
+  );
+  is(
+    prop.editor.enable.style.visibility,
+    "hidden",
+    "property enable checkbox is hidden."
+  );
+
+  let newValue = await getRulePropertyValue(0, 0, "background-color");
+  is(newValue, "", "background-color should remain unset.");
+
+  let onChangeDone;
+  if (fieldType === "value") {
+    onChangeDone = view.once("ruleview-changed");
+  }
+
+  const onBlur = once(editor.input, "blur");
+  EventUtils.synthesizeKey(commitKey, {}, view.styleWindow);
+  await onBlur;
+  await onChangeDone;
+
+  ok(!prop.enabled, "property is disabled.");
+  ok(
+    prop.editor.element.classList.contains("ruleview-overridden"),
+    "property is overridden."
+  );
+  is(
+    prop.editor.enable.style.visibility,
+    "visible",
+    "property enable checkbox is visible."
+  );
+  ok(
+    !prop.editor.enable.getAttribute("checked"),
+    "property enable checkbox is not checked."
+  );
+
+  newValue = await getRulePropertyValue(0, 0, "background-color");
+  is(newValue, "", "background-color should remain unset.");
+}