Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/devtools/client/styleeditor/test/browser_styleeditor_sv_resize.js b/devtools/client/styleeditor/test/browser_styleeditor_sv_resize.js
new file mode 100644
index 0000000000..76098145bc
--- /dev/null
+++ b/devtools/client/styleeditor/test/browser_styleeditor_sv_resize.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that resizing the source editor container doesn't move the caret.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "simple.html";
+
+const { Toolbox } = require("resource://devtools/client/framework/toolbox.js");
+
+add_task(async function () {
+  const { toolbox, ui } = await openStyleEditorForURL(TESTCASE_URI);
+
+  is(ui.editors.length, 2, "There are 2 style sheets initially");
+
+  info("Changing toolbox host to a window.");
+  await toolbox.switchHost(Toolbox.HostType.WINDOW);
+
+  const editor = await ui.editors[0].getSourceEditor();
+  const originalSourceEditor = editor.sourceEditor;
+
+  const hostWindow = toolbox.win.parent;
+  const originalWidth = hostWindow.outerWidth;
+  const originalHeight = hostWindow.outerHeight;
+
+  // to check the caret is preserved
+  originalSourceEditor.setCursor(originalSourceEditor.getPosition(4));
+
+  info("Resizing window.");
+  hostWindow.resizeTo(120, 480);
+
+  const sourceEditor = ui.editors[0].sourceEditor;
+  is(
+    sourceEditor,
+    originalSourceEditor,
+    "the editor still references the same Editor instance"
+  );
+
+  is(
+    sourceEditor.getOffset(sourceEditor.getCursor()),
+    4,
+    "the caret position has been preserved"
+  );
+
+  info("Restoring window to original size.");
+  hostWindow.resizeTo(originalWidth, originalHeight);
+});
+
+registerCleanupFunction(() => {
+  // Restore the host type for other tests.
+  Services.prefs.clearUserPref("devtools.toolbox.host");
+});