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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/ax_selection.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/test_single_ax_tree_manager.h"
// Helper macro for testing selection values and maintain
// correct stack tracing and failure causality.
#define TEST_SELECTION(tree_update, tree, input, expected) \
{ \
tree_update.has_tree_data = true; \
tree_update.tree_data.sel_anchor_object_id = input.anchor_id; \
tree_update.tree_data.sel_anchor_offset = input.anchor_offset; \
tree_update.tree_data.sel_focus_object_id = input.focus_id; \
tree_update.tree_data.sel_focus_offset = input.focus_offset; \
EXPECT_TRUE(tree->Unserialize(tree_update)); \
AXSelection actual = tree->GetUnignoredSelection(); \
EXPECT_EQ(expected.anchor_id, actual.anchor_object_id); \
EXPECT_EQ(expected.anchor_offset, actual.anchor_offset); \
EXPECT_EQ(expected.focus_id, actual.focus_object_id); \
EXPECT_EQ(expected.focus_offset, actual.focus_offset); \
}
namespace ui {
TEST(AXSelectionTest, UnignoredSelection) {
AXTreeUpdate tree_update;
// (i) => node is ignored
// 1
// |__________
// | | |
// 2(i) 3 4
// |_______________________
// | | | |
// 5 6 7(i) 8(i)
// | | |________
// | | | |
// 9 10(i) 11(i) 12
// | |____
// | | |
// 13(i) 14 15
// |
// 16
// Unignored Tree (conceptual)
// 1
// |______________________
// | | | | | | |
// 5 6 14 15 12 3 4
// | |
// 9 16
tree_update.has_tree_data = true;
tree_update.tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
tree_update.root_id = 1;
tree_update.nodes.resize(16);
tree_update.nodes[0].id = 1;
tree_update.nodes[0].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[0].child_ids = {2, 3, 4};
tree_update.nodes[1].id = 2;
tree_update.nodes[1].child_ids = {5, 6, 7, 8};
tree_update.nodes[1].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[1].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[2].id = 3;
tree_update.nodes[2].role = ax::mojom::Role::kStaticText;
tree_update.nodes[2].SetName("text");
tree_update.nodes[3].id = 4;
tree_update.nodes[3].role = ax::mojom::Role::kStaticText;
tree_update.nodes[3].SetName("text");
tree_update.nodes[4].id = 5;
tree_update.nodes[4].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[4].child_ids = {9};
tree_update.nodes[5].id = 6;
tree_update.nodes[5].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[5].child_ids = {10};
tree_update.nodes[6].id = 7;
tree_update.nodes[6].child_ids = {11, 12};
tree_update.nodes[6].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[6].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[7].id = 8;
tree_update.nodes[7].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[7].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[8].id = 9;
tree_update.nodes[8].role = ax::mojom::Role::kStaticText;
tree_update.nodes[8].SetName("text");
tree_update.nodes[9].id = 10;
tree_update.nodes[9].child_ids = {13};
tree_update.nodes[9].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[9].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[10].id = 11;
tree_update.nodes[10].child_ids = {14, 15};
tree_update.nodes[10].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[10].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[11].id = 12;
tree_update.nodes[11].role = ax::mojom::Role::kStaticText;
tree_update.nodes[11].SetName("text");
tree_update.nodes[12].id = 13;
tree_update.nodes[12].child_ids = {16};
tree_update.nodes[12].role = ax::mojom::Role::kGenericContainer;
tree_update.nodes[12].AddState(ax::mojom::State::kIgnored);
tree_update.nodes[13].id = 14;
tree_update.nodes[13].role = ax::mojom::Role::kStaticText;
tree_update.nodes[13].SetName("text");
tree_update.nodes[14].id = 15;
tree_update.nodes[14].role = ax::mojom::Role::kStaticText;
tree_update.nodes[14].SetName("text");
tree_update.nodes[15].id = 16;
tree_update.nodes[15].role = ax::mojom::Role::kStaticText;
tree_update.nodes[15].SetName("text");
TestSingleAXTreeManager test_ax_tree_manager(
std::make_unique<AXTree>(tree_update));
AXSelection unignored_selection =
test_ax_tree_manager.GetTree()->GetUnignoredSelection();
EXPECT_EQ(kInvalidAXNodeID, unignored_selection.anchor_object_id);
EXPECT_EQ(-1, unignored_selection.anchor_offset);
EXPECT_EQ(kInvalidAXNodeID, unignored_selection.focus_object_id);
EXPECT_EQ(-1, unignored_selection.focus_offset);
struct SelectionData {
int32_t anchor_id;
int32_t anchor_offset;
int32_t focus_id;
int32_t focus_offset;
};
SelectionData input = {1, 0, 1, 0};
SelectionData expected = {9, 0, 9, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {1, 0, 2, 2};
expected = {9, 0, 14, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {2, 1, 5, 0};
expected = {16, 0, 5, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {5, 0, 9, 0};
expected = {5, 0, 9, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {9, 0, 6, 0};
expected = {9, 0, 16, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {6, 0, 10, 0};
expected = {16, 0, 16, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {10, 0, 13, 0};
expected = {16, 0, 16, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {13, 0, 16, 0};
expected = {16, 0, 16, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {16, 0, 7, 0};
expected = {16, 0, 14, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {7, 0, 11, 0};
expected = {14, 0, 14, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {11, 1, 14, 2};
expected = {15, 0, 14, 2};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {14, 2, 15, 3};
expected = {14, 2, 15, 3};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {15, 0, 12, 0};
expected = {15, 0, 12, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {12, 0, 8, 0};
expected = {12, 0, 3, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {8, 0, 3, 0};
expected = {12, 4, 3, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {3, 0, 4, 0};
expected = {3, 0, 4, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
input = {4, 0, 4, 0};
expected = {4, 0, 4, 0};
TEST_SELECTION(tree_update, test_ax_tree_manager.GetTree(), input, expected);
}
} // namespace ui
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