test: Added tests for https://github.com/zen-browser/desktop/issues/7385, b=(closes #7385), c=tests, vendor

src/zen/tests/.prettierignore

@@ -1 +0,0 @@
-run.sh

src/zen/tests/urlbar/browser.toml

@@ -5,3 +5,4 @@ support-files = [
 ]
 
 ["browser_floating_urlbar.js"]
+["browser_issue_7385.js"]

src/zen/tests/urlbar/browser_issue_7385.js

@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+   https://creativecommons.org/publicdomain/zero/1.0/ */
+
+'use strict';
+
+ChromeUtils.defineESModuleGetters(this, {
+  UrlbarTestUtils: 'resource://testing-common/UrlbarTestUtils.sys.mjs',
+});
+
+add_task(async function test_Selection_Remains_Double_Toolbar() {
+  await goToMultipleLayouts(async () => {
+    const untrimmedValue = 'http://example.com';
+    let trimmedValue = UrlbarTestUtils.trimURL(untrimmedValue);
+    gURLBar._setValue(untrimmedValue, {
+      allowTrim: true,
+      valueIsTyped: false,
+    });
+    gURLBar.blur();
+    await SimpleTest.promiseFocus(window);
+    Assert.equal(gURLBar.value, trimmedValue, 'Value has been trimmed');
+    await selectWithMouseDrag(100, 200);
+
+    Assert.greater(gURLBar.selectionStart, 0, 'Selection start is positive.');
+    Assert.greater(gURLBar.selectionEnd, gURLBar.selectionStart, 'Selection is not empty.');
+
+    Assert.equal(gURLBar.value, untrimmedValue, `Value should be untrimmed`);
+
+    gURLBar.handleRevert();
+    gURLBar.view.close();
+  });
+});

src/zen/tests/urlbar/head.js

@@ -9,3 +9,29 @@ function simulateClick(win = window) {
   EventUtils.synthesizeMouseAtCenter(target, {});
   return promise;
 }
+
+function selectWithMouseDrag(fromX, toX, win = window) {
+  let target = win.gURLBar.inputField;
+  let rect = target.getBoundingClientRect();
+  let promise = BrowserTestUtils.waitForEvent(target, 'mouseup');
+  EventUtils.synthesizeMouse(target, fromX, rect.height / 2, { type: 'mousemove' }, target.ownerGlobal);
+  EventUtils.synthesizeMouse(target, fromX, rect.height / 2, { type: 'mousedown' }, target.ownerGlobal);
+  EventUtils.synthesizeMouse(target, toX, rect.height / 2, { type: 'mousemove' }, target.ownerGlobal);
+  EventUtils.synthesizeMouse(target, toX, rect.height / 2, { type: 'mouseup' }, target.ownerGlobal);
+  return promise;
+}
+
+function goToMultipleLayouts(callback) {
+  return new Promise(async (resolve) => {
+    await SpecialPowers.pushPrefEnv({
+      set: [['zen.view.use-single-toolbar', false]],
+    });
+    setTimeout(async () => {
+      await callback();
+      await SpecialPowers.popPrefEnv();
+      setTimeout(() => {
+        resolve();
+      }, 1000); // Wait for new layout
+    }, 1000); // Wait for new layout
+  });
+}