1 files changed, 280 insertions, 0 deletions
diff --git a/layout/base/tests/marionette/test_accessiblecaret_cursor_mode.py b/layout/base/tests/marionette/test_accessiblecaret_cursor_mode.py
new file mode 100644
index 0000000000..a134b78f73
--- /dev/null
+++ b/layout/base/tests/marionette/test_accessiblecaret_cursor_mode.py
@@ -0,0 +1,280 @@
+# -*- coding: utf-8 -*-
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import string
+import sys
+import os
+
+# Add this directory to the import path.
+sys.path.append(os.path.dirname(__file__))
+
+from selection import (
+    CaretActions,
+    SelectionManager,
+)
+from marionette_driver.by import By
+from marionette_harness.marionette_test import (
+    MarionetteTestCase,
+    parameterized,
+)
+
+
+class AccessibleCaretCursorModeTestCase(MarionetteTestCase):
+    """Test cases for AccessibleCaret under cursor mode.
+
+    We call the blinking cursor (nsCaret) as cursor, and call AccessibleCaret as
+    caret for short.
+
+    """
+
+    # Element IDs.
+    _input_id = "input"
+    _input_padding_id = "input-padding"
+    _textarea_id = "textarea"
+    _textarea_one_line_id = "textarea-one-line"
+    _contenteditable_id = "contenteditable"
+
+    # Test html files.
+    _cursor_html = "layout/test_carets_cursor.html"
+
+    def setUp(self):
+        # Code to execute before every test is running.
+        super(AccessibleCaretCursorModeTestCase, self).setUp()
+        self.caret_tested_pref = "layout.accessiblecaret.enabled"
+        self.hide_carets_for_mouse = (
+            "layout.accessiblecaret.hide_carets_for_mouse_input"
+        )
+        self.prefs = {
+            self.caret_tested_pref: True,
+            self.hide_carets_for_mouse: False,
+            # To disable transition, or the caret may not be the desired
+            # location yet, we cannot press a caret successfully.
+            "layout.accessiblecaret.transition-duration": "0.0",
+            # Enabled hapticfeedback on all platforms. The tests shouldn't crash
+            # on platforms without hapticfeedback support.
+            "layout.accessiblecaret.hapticfeedback": True,
+        }
+        self.marionette.set_prefs(self.prefs)
+        self.actions = CaretActions(self.marionette)
+
+    def tearDown(self):
+        self.marionette.actions.release()
+        super(AccessibleCaretCursorModeTestCase, self).tearDown()
+
+    def open_test_html(self, test_html):
+        self.marionette.navigate(self.marionette.absolute_url(test_html))
+
+    @parameterized(_input_id, el_id=_input_id)
+    @parameterized(_textarea_id, el_id=_textarea_id)
+    @parameterized(_contenteditable_id, el_id=_contenteditable_id)
+    def test_move_cursor_to_the_right_by_one_character(self, el_id):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, el_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        target_content = sel.content
+        target_content = target_content[:1] + content_to_add + target_content[1:]
+
+        # Get first caret (x, y) at position 1 and 2.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_front()
+        cursor0_x, cursor0_y = sel.cursor_location()
+        first_caret0_x, first_caret0_y = sel.first_caret_location()
+        sel.move_cursor_by_offset(1)
+        first_caret1_x, first_caret1_y = sel.first_caret_location()
+
+        # Click the front of the input to make first caret appear.
+        self.actions.move(el, cursor0_x, cursor0_y).click().perform()
+
+        # Move first caret.
+        self.actions.flick(
+            el, first_caret0_x, first_caret0_y, first_caret1_x, first_caret1_y
+        ).perform()
+
+        self.actions.send_keys(content_to_add).perform()
+        self.assertEqual(target_content, sel.content)
+
+    @parameterized(_input_id, el_id=_input_id)
+    @parameterized(_textarea_id, el_id=_textarea_id)
+    @parameterized(_contenteditable_id, el_id=_contenteditable_id)
+    def test_move_cursor_to_end_by_dragging_caret_to_bottom_right_corner(self, el_id):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, el_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        target_content = sel.content + content_to_add
+
+        # Click the front of the input to make first caret appear.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_front()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+
+        # Move first caret to the bottom-right corner of the element.
+        src_x, src_y = sel.first_caret_location()
+        dest_x, dest_y = el.rect["width"], el.rect["height"]
+        self.actions.flick(el, src_x, src_y, dest_x, dest_y).perform()
+
+        self.actions.send_keys(content_to_add).perform()
+        self.assertEqual(target_content, sel.content)
+
+    @parameterized(_input_id, el_id=_input_id)
+    @parameterized(_textarea_id, el_id=_textarea_id)
+    @parameterized(_contenteditable_id, el_id=_contenteditable_id)
+    def test_move_cursor_to_front_by_dragging_caret_to_front(self, el_id):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, el_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        target_content = content_to_add + sel.content
+
+        # Get first caret location at the front.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_front()
+        dest_x, dest_y = sel.first_caret_location()
+
+        # Click to make first caret appear.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_end()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+        src_x, src_y = sel.first_caret_location()
+
+        # Move first caret to the front of the input box.
+        self.actions.flick(el, src_x, src_y, dest_x, dest_y).perform()
+
+        self.actions.send_keys(content_to_add).perform()
+        self.assertEqual(target_content, sel.content)
+
+    def test_caret_not_appear_when_typing_in_scrollable_content(self):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, self._input_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        non_target_content = content_to_add + sel.content + string.ascii_letters
+
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_end()
+
+        # Insert a long string to the end of the <input>, which triggers
+        # ScrollPositionChanged event.
+        el.send_keys(string.ascii_letters)
+
+        # The caret should not be visible. If it does appear wrongly due to the
+        # ScrollPositionChanged event, we can drag it to the front of the
+        # <input> to change the cursor position.
+        src_x, src_y = sel.first_caret_location()
+        dest_x, dest_y = 0, 0
+        self.actions.flick(el, src_x, src_y, dest_x, dest_y).perform()
+
+        # The content should not be inserted at the front of the <input>.
+        el.send_keys(content_to_add)
+
+        self.assertNotEqual(non_target_content, sel.content)
+
+    @parameterized(_input_id, el_id=_input_id)
+    @parameterized(_input_padding_id, el_id=_input_padding_id)
+    @parameterized(_textarea_one_line_id, el_id=_textarea_one_line_id)
+    @parameterized(_contenteditable_id, el_id=_contenteditable_id)
+    def test_caret_not_jump_when_dragging_to_editable_content_boundary(self, el_id):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, el_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        non_target_content = sel.content + content_to_add
+
+        # Goal: the cursor position is not changed after dragging the caret down
+        # on the Y-axis.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_front()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+        x, y = sel.first_caret_location()
+
+        # Drag the caret down by 50px, and insert '!'.
+        self.actions.flick(el, x, y, x, y + 50).perform()
+        self.actions.send_keys(content_to_add).perform()
+        self.assertNotEqual(non_target_content, sel.content)
+
+    @parameterized(_input_id, el_id=_input_id)
+    @parameterized(_input_padding_id, el_id=_input_padding_id)
+    @parameterized(_textarea_one_line_id, el_id=_textarea_one_line_id)
+    @parameterized(_contenteditable_id, el_id=_contenteditable_id)
+    def test_caret_not_jump_to_front_when_dragging_up_to_editable_content_boundary(
+        self, el_id
+    ):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, el_id)
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        non_target_content = content_to_add + sel.content
+
+        # Goal: the cursor position is not changed after dragging the caret down
+        # on the Y-axis.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_end()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+        x, y = sel.first_caret_location()
+
+        # Drag the caret up by 40px, and insert '!'.
+        self.actions.flick(el, x, y, x, y - 40).perform()
+        self.actions.send_keys(content_to_add).perform()
+        self.assertNotEqual(non_target_content, sel.content)
+
+    def test_drag_caret_from_front_to_end_across_columns(self):
+        self.open_test_html("layout/test_carets_columns.html")
+        el = self.marionette.find_element(By.ID, "columns-inner")
+        sel = SelectionManager(el)
+        content_to_add = "!"
+        target_content = sel.content + content_to_add
+
+        # Goal: the cursor position can be changed by dragging the caret from
+        # the front to the end of the content.
+
+        # Click to make the cursor appear.
+        before_image_1 = self.marionette.find_element(By.ID, "before-image-1")
+        self.actions.click(element=before_image_1).perform()
+
+        # Click the front of the content to make first caret appear.
+        sel.move_cursor_to_front()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+        src_x, src_y = sel.first_caret_location()
+        dest_x, dest_y = el.rect["width"], el.rect["height"]
+
+        # Drag the first caret to the bottom-right corner of the element.
+        self.actions.flick(el, src_x, src_y, dest_x, dest_y).perform()
+
+        self.actions.send_keys(content_to_add).perform()
+        self.assertEqual(target_content, sel.content)
+
+    def test_move_cursor_to_front_by_dragging_caret_to_front_br_element(self):
+        self.open_test_html(self._cursor_html)
+        el = self.marionette.find_element(By.ID, self._contenteditable_id)
+        sel = SelectionManager(el)
+        content_to_add_1 = "!"
+        content_to_add_2 = "\n\n"
+        target_content = content_to_add_1 + content_to_add_2 + sel.content
+
+        # Goal: the cursor position can be changed by dragging the caret from
+        # the end of the content to the front br element. Because we cannot get
+        # caret location if it's on a br element, we need to get the first caret
+        # location then adding the new lines.
+
+        # Get first caret location at the front.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_front()
+        dest_x, dest_y = sel.first_caret_location()
+
+        # Append new line to the front of the content.
+        el.send_keys(content_to_add_2)
+
+        # Click to make first caret appear.
+        self.actions.click(element=el).perform()
+        sel.move_cursor_to_end()
+        self.actions.move(el, *sel.cursor_location()).click().perform()
+        src_x, src_y = sel.first_caret_location()
+
+        # Move first caret to the front of the input box.
+        self.actions.flick(el, src_x, src_y, dest_x, dest_y).perform()
+
+        self.actions.send_keys(content_to_add_1).perform()
+        self.assertEqual(target_content, sel.content)