1 files changed, 85 insertions, 0 deletions
diff --git a/devtools/client/styleeditor/test/browser_styleeditor_sv_keynav.js b/devtools/client/styleeditor/test/browser_styleeditor_sv_keynav.js
new file mode 100644
index 0000000000..5967eb40b5
--- /dev/null
+++ b/devtools/client/styleeditor/test/browser_styleeditor_sv_keynav.js
@@ -0,0 +1,85 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that the style sheet list can be navigated with keyboard.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "four.html";
+
+add_task(async function () {
+  const { panel, ui } = await openStyleEditorForURL(TESTCASE_URI);
+
+  info("Waiting for source editor to load.");
+  await ui.editors[0].getSourceEditor();
+
+  const onEditorSelected = new Promise(resolve => {
+    const off = ui.on("editor-selected", editor => {
+      if (editor == ui.editors[2]) {
+        resolve();
+        off();
+      }
+    });
+  });
+
+  info("Testing keyboard navigation on the sheet list.");
+  testKeyboardNavigation(ui.editors[0], panel);
+
+  info("Waiting for editor #2 to be selected due to keyboard navigation.");
+  await onEditorSelected;
+  ok(ui.editors[2].sourceEditor.hasFocus(), "Editor #2 has focus.");
+});
+
+function getStylesheetNameLinkFor(editor) {
+  return editor.summary.querySelector(".stylesheet-name");
+}
+
+function testKeyboardNavigation(editor, panel) {
+  const panelWindow = panel.panelWindow;
+  const ui = panel.UI;
+  waitForFocus(function () {
+    const summary = editor.summary;
+    EventUtils.synthesizeMouseAtCenter(summary, {}, panelWindow);
+
+    let item = getStylesheetNameLinkFor(ui.editors[0]);
+    is(
+      panelWindow.document.activeElement,
+      item,
+      "editor 0 item is the active element"
+    );
+
+    EventUtils.synthesizeKey("VK_DOWN", {}, panelWindow);
+    item = getStylesheetNameLinkFor(ui.editors[1]);
+    is(
+      panelWindow.document.activeElement,
+      item,
+      "editor 1 item is the active element"
+    );
+
+    EventUtils.synthesizeKey("VK_HOME", {}, panelWindow);
+    item = getStylesheetNameLinkFor(ui.editors[0]);
+    is(
+      panelWindow.document.activeElement,
+      item,
+      "fist editor item is the active element"
+    );
+
+    EventUtils.synthesizeKey("VK_END", {}, panelWindow);
+    item = getStylesheetNameLinkFor(ui.editors[3]);
+    is(
+      panelWindow.document.activeElement,
+      item,
+      "last editor item is the active element"
+    );
+
+    EventUtils.synthesizeKey("VK_UP", {}, panelWindow);
+    item = getStylesheetNameLinkFor(ui.editors[2]);
+    is(
+      panelWindow.document.activeElement,
+      item,
+      "editor 2 item is the active element"
+    );
+
+    EventUtils.synthesizeKey("VK_RETURN", {}, panelWindow);
+    // this will attach and give focus editor 2
+  }, panelWindow);
+}