1 files changed, 50 insertions, 0 deletions
diff --git a/devtools/client/styleeditor/test/browser_styleeditor_syncAlreadyOpen.js b/devtools/client/styleeditor/test/browser_styleeditor_syncAlreadyOpen.js
new file mode 100644
index 000000000..84c1c2a7a
--- /dev/null
+++ b/devtools/client/styleeditor/test/browser_styleeditor_syncAlreadyOpen.js
@@ -0,0 +1,50 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that changes in the style inspector are synchronized into the
+// style editor.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "sync.html";
+
+const expectedText = `
+  body {
+    border-width: 15px;
+    color: red;
+  }
+
+  #testid {
+    /*! font-size: 4em; */
+  }
+  `;
+
+add_task(function* () {
+  yield addTab(TESTCASE_URI);
+
+  let { inspector, view, toolbox } = yield openRuleView();
+
+  // In this test, make sure the style editor is open before making
+  // changes in the inspector.
+  let { ui } = yield openStyleEditor();
+  let editor = yield ui.editors[0].getSourceEditor();
+
+  let onEditorChange = defer();
+  editor.sourceEditor.on("change", onEditorChange.resolve);
+
+  yield toolbox.getPanel("inspector");
+  yield selectNode("#testid", inspector);
+  let ruleEditor = getRuleViewRuleEditor(view, 1);
+
+  // Disable the "font-size" property.
+  let propEditor = ruleEditor.rule.textProps[0].editor;
+  let onModification = view.once("ruleview-changed");
+  propEditor.enable.click();
+  yield onModification;
+
+  yield openStyleEditor();
+  yield onEditorChange.promise;
+
+  let text = editor.sourceEditor.getText();
+  is(text, expectedText, "style inspector changes are synced");
+});