1 files changed, 78 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_add-property_02.js b/devtools/client/inspector/rules/test/browser_rules_add-property_02.js
new file mode 100644
index 0000000000..fbe38c92ef
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_add-property_02.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test adding a valid property to a CSS rule, and navigating through the fields
+// by pressing ENTER.
+
+const TEST_URI = `
+  <style type="text/css">
+    #testid {
+      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);
+
+  info("Focus the new property name field");
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+  let editor = await focusNewRuleViewProperty(ruleEditor);
+  const input = editor.input;
+
+  is(
+    inplaceEditor(ruleEditor.newPropSpan),
+    editor,
+    "Next focused editor should be the new property editor."
+  );
+  ok(
+    input.selectionStart === 0 && input.selectionEnd === input.value.length,
+    "Editor contents are selected."
+  );
+
+  // Try clicking on the editor's input again, shouldn't cause trouble
+  // (see bug 761665).
+  EventUtils.synthesizeMouse(input, 1, 1, {}, view.styleWindow);
+  input.select();
+
+  info("Entering the property name");
+  editor.input.value = "background-color";
+
+  info("Pressing RETURN and waiting for the value field focus");
+  const onNameAdded = view.once("ruleview-changed");
+  EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+
+  await onNameAdded;
+
+  editor = inplaceEditor(view.styleDocument.activeElement);
+
+  is(
+    ruleEditor.rule.textProps.length,
+    2,
+    "Should have created a new text property."
+  );
+  is(
+    ruleEditor.propertyList.children.length,
+    2,
+    "Should have created a property editor."
+  );
+  const textProp = ruleEditor.rule.textProps[1];
+  is(
+    editor,
+    inplaceEditor(textProp.editor.valueSpan),
+    "Should be editing the value span now."
+  );
+
+  info("Entering the property value");
+  const onValueAdded = view.once("ruleview-changed");
+  editor.input.value = "purple";
+  EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+  await onValueAdded;
+
+  is(textProp.value, "purple", "Text prop should have been changed.");
+});