1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_completion-new-property_04.js b/devtools/client/inspector/rules/test/browser_rules_completion-new-property_04.js
new file mode 100644
index 0000000000..9002f89822
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+++ b/devtools/client/inspector/rules/test/browser_rules_completion-new-property_04.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that a new property editor supports the following flow:
+// - type first character of property name
+// - select an autocomplete suggestion !!with a mouse click!!
+// - press RETURN to move to the property value
+// - blur the input to commit
+
+const TEST_URI =
+  "<style>.title {color: red;}</style>" + "<h1 class=title>Header</h1>";
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+
+  info("Selecting the test node");
+  await selectNode("h1", inspector);
+
+  info("Focusing the new property editable field");
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+  let editor = await focusNewRuleViewProperty(ruleEditor);
+
+  info('Sending "background" to the editable field.');
+  for (const key of "background") {
+    const onSuggest = editor.once("after-suggest");
+    EventUtils.synthesizeKey(key, {}, view.styleWindow);
+    await onSuggest;
+  }
+
+  const itemIndex = 4;
+  const bgcItem = editor.popup.getItemAtIndex(itemIndex);
+  is(
+    bgcItem.label,
+    "background-color",
+    "Check the expected completion element is background-color."
+  );
+  editor.popup.selectItemAtIndex(itemIndex);
+
+  info("Select the background-color suggestion with a mouse click.");
+  const onSuggest = editor.once("after-suggest");
+  const node = editor.popup.elements.get(bgcItem);
+  EventUtils.synthesizeMouseAtCenter(node, {}, editor.popup._window);
+
+  await onSuggest;
+  is(editor.input.value, "background-color", "Correct value is autocompleted");
+
+  info("Press RETURN to move the focus to a property value editor.");
+  let onModifications = view.once("ruleview-changed");
+  EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+
+  await onModifications;
+
+  // Getting the new value editor after focus
+  editor = inplaceEditor(view.styleDocument.activeElement);
+  const textProp = ruleEditor.rule.textProps[1];
+
+  is(ruleEditor.rule.textProps.length, 2, "Created a new text property.");
+  is(ruleEditor.propertyList.children.length, 2, "Created a property editor.");
+  is(
+    editor,
+    inplaceEditor(textProp.editor.valueSpan),
+    "Editing the value span now."
+  );
+
+  info("Entering a value and blurring the field to expect a rule change");
+  onModifications = view.once("ruleview-changed");
+
+  EventUtils.sendString("#F00");
+  EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+
+  await onModifications;
+
+  is(textProp.value, "#F00", "Text prop should have been changed.");
+});