1 files changed, 66 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-property-remove_01.js b/devtools/client/inspector/rules/test/browser_rules_edit-property-remove_01.js
new file mode 100644
index 0000000000..c929d252da
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property-remove_01.js
@@ -0,0 +1,66 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests removing a property by clearing the property name and pressing the
+// return key, and checks if the focus is moved to the appropriate editable
+// field.
+
+const TEST_URI = `
+  <style type='text/css'>
+  #testid {
+    background-color: #00F;
+    color: #00F;
+  }
+  </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);
+
+  info("Getting the first property in the #testid rule");
+  const rule = getRuleViewRuleEditor(view, 1).rule;
+  let prop = rule.textProps[0];
+
+  info("Deleting the name of that property to remove the property");
+  await removeProperty(view, prop, false);
+
+  let newValue = await getRulePropertyValue(0, 0, "background-color");
+  is(newValue, "", "background-color should have been unset.");
+
+  info("Getting the new first property in the rule");
+  prop = rule.textProps[0];
+
+  let editor = inplaceEditor(view.styleDocument.activeElement);
+  is(
+    inplaceEditor(prop.editor.nameSpan),
+    editor,
+    "Focus should have moved to the next property name"
+  );
+
+  info("Deleting the name of that property to remove the property");
+  view.styleDocument.activeElement.blur();
+  await removeProperty(view, prop, false);
+
+  newValue = await getRulePropertyValue(0, 0, "color");
+  is(newValue, "", "color should have been unset.");
+
+  editor = inplaceEditor(view.styleDocument.activeElement);
+  is(
+    inplaceEditor(rule.editor.newPropSpan),
+    editor,
+    "Focus should have moved to the new property span"
+  );
+  is(rule.textProps.length, 0, "All properties should have been removed.");
+  is(
+    rule.editor.propertyList.children.length,
+    1,
+    "Should have the new property span."
+  );
+
+  view.styleDocument.activeElement.blur();
+});