preserve correctsendKeys() behavior for webdriver

src/browser/tests/element/html/input.html

@@ -609,5 +609,13 @@
     email.select();
     testing.expectEqual(1, selects);
     testing.expectError('InvalidStateError', () => email.setSelectionRange(0, 1));
+
+    const date = document.createElement('input');
+    date.type = 'date';
+    date.value = '2026-09-28';
+    let date_selects = 0;
+    date.addEventListener('select', () => date_selects++);
+    date.select();
+    testing.expectEqual(0, date_selects);
   }
 </script>

src/browser/webapi/element/html/Input.zig

@@ -628,9 +628,10 @@ const entry = text_entry.TextEntry(Input);
 pub const select = entry.select;
 pub const innerInsert = entry.innerInsert;
 pub const acceptsTextEntry = entry.acceptsTextEntry;
-pub const tracksSelection = entry.tracksSelection;
+const tracksSelection = entry.tracksSelection;
 pub const innerDelete = entry.innerDelete;
 pub const moveCaret = entry.moveCaret;
+pub const caretToEnd = entry.caretToEnd;
 pub const CaretMove = entry.CaretMove;
 pub const getSelectionDirection = entry.getSelectionDirection;
 pub const setSelectionStart = entry.setSelectionStart;

src/browser/webapi/element/html/TextArea.zig

@@ -143,6 +143,7 @@ pub const innerInsert = entry.innerInsert;
 pub const acceptsTextEntry = entry.acceptsTextEntry;
 pub const innerDelete = entry.innerDelete;
 pub const moveCaret = entry.moveCaret;
+pub const caretToEnd = entry.caretToEnd;
 pub const CaretMove = entry.CaretMove;
 pub const getSelectionDirection = entry.getSelectionDirection;
 pub const setSelectionStart = entry.setSelectionStart;

src/browser/webapi/element/text_entry.zig

@@ -77,8 +77,10 @@ pub fn TextEntry(comptime T: type) type {
                     // fully selected, replace the content.
                     const new_value = try arena.dupe(u8, str);
                     try self.setUserValue(new_value, frame);
-                    self._selection_start = @intCast(new_value.len);
-                    self._selection_end = @intCast(new_value.len);
+                    // the sanitized value can be shorter than what was inserted
+                    const new_len: u32 = @intCast(self.getValue().len);
+                    self._selection_start = new_len;
+                    self._selection_end = new_len;
                     self._selection_direction = .none;
                     try dispatchSelectionChangeEvent(self, frame);
                 },
@@ -95,9 +97,9 @@ pub fn TextEntry(comptime T: type) type {
                     );
                     try self.setUserValue(new_value, frame);
 
-                    const new_pos = range[0] + str.len;
-                    self._selection_start = @intCast(new_pos);
-                    self._selection_end = @intCast(new_pos);
+                    const new_pos: u32 = @intCast(@min(range[0] + str.len, self.getValue().len));
+                    self._selection_start = new_pos;
+                    self._selection_end = new_pos;
                     self._selection_direction = .none;
                     try dispatchSelectionChangeEvent(self, frame);
                 },
@@ -171,6 +173,16 @@ pub fn TextEntry(comptime T: type) type {
             try dispatchInputEvent(self, null, if (forward) "deleteContentForward" else "deleteContentBackward", frame);
         }
 
+        // Collapses the selection to the end of the value. Unlike
+        // setSelectionRange(), applies to email and number too.
+        pub fn caretToEnd(self: *T, frame: *Frame) !void {
+            if (tracksSelection(self) == false) {
+                return;
+            }
+            const len: u32 = @intCast(self.getValue().len);
+            try applySelectionRange(self, len, len, .none, frame);
+        }
+
         pub const CaretMove = enum { backward, forward, line_start, line_end };
 
         // Default action of the caret movement keys (ArrowLeft, ArrowRight,

src/server/bidi/http_command.zig

@@ -689,9 +689,9 @@ fn elementSendKeys(cmd: *BiDi.Command, p: SendKeys) !void {
             return cmd.sendError("element not interactable", "element can't be focused");
         }
         if (element.is(Html.Input)) |input_element| {
-            try caretToEnd(input_element, frame);
+            try input_element.caretToEnd(frame);
         } else if (element.is(Html.TextArea)) |textarea| {
-            try caretToEnd(textarea, frame);
+            try textarea.caretToEnd(frame);
         }
     }
 
@@ -702,14 +702,6 @@ fn elementSendKeys(cmd: *BiDi.Command, p: SendKeys) !void {
     return browsing_context.answerAfterNavigation(cmd, ctx, frame);
 }
 
-fn caretToEnd(ctl: anytype, frame: *Frame) !void {
-    if (ctl.selectionAvailable() == false) {
-        return;
-    }
-    const len: u32 = @intCast(ctl.getValue().len);
-    try ctl.setSelectionRange(len, len, null, frame);
-}
-
 fn requireInteractable(cmd: *BiDi.Command, element: *Node.Element, frame: *Frame) !bool {
     element.scrollIntoView(null, frame);
     if (element.checkVisibility(.{}, frame)) {

src/server/cdp/domains/input.zig

@@ -229,6 +229,11 @@ test "cdp.input: insertText replaces select()ed value of email and number inputs
     _ = try ls.local.compileAndRun("inp.type = 'number'; inp.value = '12'; inp.select();", null);
     try ctx.processMessage(.{ .id = 2, .method = "Input.insertText", .params = .{ .text = "345" } });
     try testing.expect((try ls.local.compileAndRun("inp.value === '345'", null)).isTrue());
+
+    // The caret lands at the end of the sanitized value, not of the inserted text.
+    _ = try ls.local.compileAndRun("inp.type = 'text'; inp.value = 'ab'; inp.select();", null);
+    try ctx.processMessage(.{ .id = 3, .method = "Input.insertText", .params = .{ .text = "c\nd" } });
+    try testing.expect((try ls.local.compileAndRun("inp.value === 'cd' && inp.selectionStart === 2", null)).isTrue());
 }
 
 test "cdp.input: dispatchMouseEvent mouseMoved fires hover events" {