1 files changed, 52 insertions, 0 deletions
diff --git a/devtools/client/styleeditor/test/browser_styleeditor_syncAddProperty.js b/devtools/client/styleeditor/test/browser_styleeditor_syncAddProperty.js
new file mode 100644
index 0000000000..51546eaba6
--- /dev/null
+++ b/devtools/client/styleeditor/test/browser_styleeditor_syncAddProperty.js
@@ -0,0 +1,52 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that adding a new rule is synced to the style editor.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "sync.html";
+const TESTCASE_URI_WITH_CSP = TEST_BASE_HTTP + "sync_with_csp.html";
+
+const expectedText = `
+  body {
+    border-width: 15px;
+    color: red;
+  }
+
+  #testid {
+    font-size: 4em;
+    /*! background-color: yellow; */
+  }
+  `;
+
+add_task(async function () {
+  const URIs = [TESTCASE_URI, TESTCASE_URI_WITH_CSP];
+
+  for (const URI of URIs) {
+    await addTab(URI);
+    const { inspector, view } = await openRuleView();
+    await selectNode("#testid", inspector);
+
+    info("Focusing a new property name in the rule-view on " + URI);
+    const ruleEditor = getRuleViewRuleEditor(view, 1);
+    const editor = await focusEditableField(view, ruleEditor.closeBrace);
+    is(
+      inplaceEditor(ruleEditor.newPropSpan),
+      editor,
+      "The new property editor has focus"
+    );
+
+    const input = editor.input;
+    input.value = "/* background-color: yellow; */";
+
+    info("Pressing return to commit and focus the new value field");
+    const onModifications = view.once("ruleview-changed");
+    EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+    await onModifications;
+
+    const { ui } = await openStyleEditor();
+    const sourceEditor = await ui.editors[0].getSourceEditor();
+    const text = sourceEditor.sourceEditor.getText();
+    is(text, expectedText, "selector edits are synced");
+  }
+});