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ax_table_info_unittest.cc
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ax_table_info_unittest.cc
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// Copyright 2018 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_table_info.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_tree.h"
namespace ui {
namespace {
void MakeTable(AXNodeData* table, int id, int row_count, int col_count) {
table->id = id;
table->role = ax::mojom::Role::kTable;
table->AddIntAttribute(ax::mojom::IntAttribute::kTableRowCount, row_count);
table->AddIntAttribute(ax::mojom::IntAttribute::kTableColumnCount, col_count);
}
void MakeRowGroup(AXNodeData* row_group, int id) {
row_group->id = id;
row_group->role = ax::mojom::Role::kRowGroup;
}
void MakeRow(AXNodeData* row, int id, int row_index) {
row->id = id;
row->role = ax::mojom::Role::kRow;
row->AddIntAttribute(ax::mojom::IntAttribute::kTableRowIndex, row_index);
}
void MakeCell(AXNodeData* cell,
int id,
int row_index,
int col_index,
int row_span = 1,
int col_span = 1) {
cell->id = id;
cell->role = ax::mojom::Role::kCell;
cell->AddIntAttribute(ax::mojom::IntAttribute::kTableCellRowIndex, row_index);
cell->AddIntAttribute(ax::mojom::IntAttribute::kTableCellColumnIndex,
col_index);
if (row_span > 1)
cell->AddIntAttribute(ax::mojom::IntAttribute::kTableCellRowSpan, row_span);
if (col_span > 1)
cell->AddIntAttribute(ax::mojom::IntAttribute::kTableCellColumnSpan,
col_span);
}
void MakeColumnHeader(AXNodeData* cell,
int id,
int row_index,
int col_index,
int row_span = 1,
int col_span = 1) {
MakeCell(cell, id, row_index, col_index, row_span, col_span);
cell->role = ax::mojom::Role::kColumnHeader;
}
void MakeRowHeader(AXNodeData* cell,
int id,
int row_index,
int col_index,
int row_span = 1,
int col_span = 1) {
MakeCell(cell, id, row_index, col_index, row_span, col_span);
cell->role = ax::mojom::Role::kRowHeader;
}
} // namespace
// A macro for testing that a absl::optional has both a value and that its value
// is set to a particular expectation.
#define EXPECT_OPTIONAL_EQ(expected, actual) \
EXPECT_TRUE(actual.has_value()); \
if (actual) { \
EXPECT_EQ(expected, actual.value()); \
}
class AXTableInfoTest : public testing::Test {
public:
AXTableInfoTest() {}
AXTableInfoTest(const AXTableInfoTest&) = delete;
AXTableInfoTest& operator=(const AXTableInfoTest&) = delete;
~AXTableInfoTest() override {}
protected:
AXTableInfo* GetTableInfo(AXTree* tree, AXNode* node) {
return tree->GetTableInfo(node);
}
};
TEST_F(AXTableInfoTest, SimpleTable) {
// Simple 2 x 2 table with 2 column headers in first row, 2 cells in second
// row. The first row is parented by a rowgroup.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(8);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {888, 3};
MakeRowGroup(&initial_state.nodes[1], 888);
initial_state.nodes[1].child_ids = {2};
MakeRow(&initial_state.nodes[2], 2, 0);
initial_state.nodes[2].child_ids = {4, 5};
MakeRow(&initial_state.nodes[3], 3, 1);
initial_state.nodes[3].child_ids = {6, 7};
MakeColumnHeader(&initial_state.nodes[4], 4, 0, 0);
MakeColumnHeader(&initial_state.nodes[5], 5, 0, 1);
MakeCell(&initial_state.nodes[6], 6, 1, 0);
MakeCell(&initial_state.nodes[7], 7, 1, 1);
AXTree tree(initial_state);
//
// Low-level: test the AXTableInfo directly.
//
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(2u, table_info->row_count);
EXPECT_EQ(2u, table_info->col_count);
EXPECT_EQ(2U, table_info->row_headers.size());
EXPECT_EQ(0U, table_info->row_headers[0].size());
EXPECT_EQ(0U, table_info->row_headers[1].size());
EXPECT_EQ(2U, table_info->col_headers.size());
EXPECT_EQ(1U, table_info->col_headers[0].size());
EXPECT_EQ(4, table_info->col_headers[0][0]);
EXPECT_EQ(1U, table_info->col_headers[1].size());
EXPECT_EQ(5, table_info->col_headers[1][0]);
EXPECT_EQ(4, table_info->cell_ids[0][0]);
EXPECT_EQ(5, table_info->cell_ids[0][1]);
EXPECT_EQ(6, table_info->cell_ids[1][0]);
EXPECT_EQ(7, table_info->cell_ids[1][1]);
EXPECT_EQ(4U, table_info->unique_cell_ids.size());
EXPECT_EQ(4, table_info->unique_cell_ids[0]);
EXPECT_EQ(5, table_info->unique_cell_ids[1]);
EXPECT_EQ(6, table_info->unique_cell_ids[2]);
EXPECT_EQ(7, table_info->unique_cell_ids[3]);
EXPECT_EQ(0u, table_info->cell_id_to_index[4]);
EXPECT_EQ(1u, table_info->cell_id_to_index[5]);
EXPECT_EQ(2u, table_info->cell_id_to_index[6]);
EXPECT_EQ(3u, table_info->cell_id_to_index[7]);
EXPECT_EQ(2u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
#if BUILDFLAG(IS_MAC)
EXPECT_EQ(3U, table_info->extra_mac_nodes.size());
#else
EXPECT_EQ(0U, table_info->extra_mac_nodes.size());
#endif
//
// High-level: Test the helper functions on AXNode.
//
AXNode* table = tree.root();
EXPECT_TRUE(table->IsTable());
EXPECT_FALSE(table->IsTableRow());
EXPECT_FALSE(table->IsTableCellOrHeader());
EXPECT_OPTIONAL_EQ(2, table->GetTableColCount());
EXPECT_OPTIONAL_EQ(2, table->GetTableRowCount());
ASSERT_TRUE(table->GetTableCellFromCoords(0, 0));
EXPECT_EQ(4, table->GetTableCellFromCoords(0, 0)->id());
EXPECT_EQ(5, table->GetTableCellFromCoords(0, 1)->id());
EXPECT_EQ(6, table->GetTableCellFromCoords(1, 0)->id());
EXPECT_EQ(7, table->GetTableCellFromCoords(1, 1)->id());
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(2, 1));
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(1, -1));
EXPECT_EQ(4, table->GetTableCellFromIndex(0)->id());
EXPECT_EQ(5, table->GetTableCellFromIndex(1)->id());
EXPECT_EQ(6, table->GetTableCellFromIndex(2)->id());
EXPECT_EQ(7, table->GetTableCellFromIndex(3)->id());
EXPECT_EQ(nullptr, table->GetTableCellFromIndex(-1));
EXPECT_EQ(nullptr, table->GetTableCellFromIndex(4));
AXNode* row_0 = tree.GetFromId(2);
EXPECT_FALSE(row_0->IsTable());
EXPECT_TRUE(row_0->IsTableRow());
EXPECT_FALSE(row_0->IsTableCellOrHeader());
EXPECT_OPTIONAL_EQ(0, row_0->GetTableRowRowIndex());
AXNode* row_1 = tree.GetFromId(3);
EXPECT_FALSE(row_1->IsTable());
EXPECT_TRUE(row_1->IsTableRow());
EXPECT_FALSE(row_1->IsTableCellOrHeader());
EXPECT_OPTIONAL_EQ(1, row_1->GetTableRowRowIndex());
AXNode* cell_0_0 = tree.GetFromId(4);
EXPECT_FALSE(cell_0_0->IsTable());
EXPECT_FALSE(cell_0_0->IsTableRow());
EXPECT_TRUE(cell_0_0->IsTableCellOrHeader());
EXPECT_OPTIONAL_EQ(0, cell_0_0->GetTableCellIndex());
EXPECT_OPTIONAL_EQ(0, cell_0_0->GetTableCellColIndex());
EXPECT_OPTIONAL_EQ(0, cell_0_0->GetTableCellRowIndex());
EXPECT_OPTIONAL_EQ(1, cell_0_0->GetTableCellColSpan());
EXPECT_OPTIONAL_EQ(1, cell_0_0->GetTableCellRowSpan());
AXNode* cell_1_1 = tree.GetFromId(7);
EXPECT_FALSE(cell_1_1->IsTable());
EXPECT_FALSE(cell_1_1->IsTableRow());
EXPECT_TRUE(cell_1_1->IsTableCellOrHeader());
EXPECT_OPTIONAL_EQ(3, cell_1_1->GetTableCellIndex());
EXPECT_OPTIONAL_EQ(1, cell_1_1->GetTableCellRowIndex());
EXPECT_OPTIONAL_EQ(1, cell_1_1->GetTableCellColSpan());
EXPECT_OPTIONAL_EQ(1, cell_1_1->GetTableCellRowSpan());
std::vector<AXNode*> col_headers;
cell_1_1->GetTableCellColHeaders(&col_headers);
EXPECT_EQ(1U, col_headers.size());
EXPECT_EQ(5, col_headers[0]->id());
std::vector<AXNode*> row_headers;
cell_1_1->GetTableCellRowHeaders(&row_headers);
EXPECT_EQ(0U, row_headers.size());
EXPECT_EQ(2u, table->GetTableRowNodeIds().size());
EXPECT_EQ(2, table->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, table->GetTableRowNodeIds()[1]);
EXPECT_EQ(2u, row_0->GetTableRowNodeIds().size());
EXPECT_EQ(2, row_0->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, row_0->GetTableRowNodeIds()[1]);
EXPECT_EQ(2u, row_1->GetTableRowNodeIds().size());
EXPECT_EQ(2, row_1->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, row_1->GetTableRowNodeIds()[1]);
EXPECT_EQ(2u, cell_0_0->GetTableRowNodeIds().size());
EXPECT_EQ(2, cell_0_0->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, cell_0_0->GetTableRowNodeIds()[1]);
EXPECT_EQ(2u, cell_1_1->GetTableRowNodeIds().size());
EXPECT_EQ(2, cell_1_1->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, cell_1_1->GetTableRowNodeIds()[1]);
}
TEST_F(AXTableInfoTest, ComputedTableSizeIncludesSpans) {
// Simple 2 x 2 table with 2 column headers in first row, 2 cells in second
// row, but two cells have spans, affecting the computed row and column count.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {4, 5};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {6, 7};
MakeCell(&initial_state.nodes[3], 4, 0, 0);
MakeCell(&initial_state.nodes[4], 5, 0, 1, 1, 5); // Column span of 5
MakeCell(&initial_state.nodes[5], 6, 1, 0);
MakeCell(&initial_state.nodes[6], 7, 1, 1, 3, 1); // Row span of 3
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root());
EXPECT_EQ(4u, table_info->row_count);
EXPECT_EQ(6u, table_info->col_count);
EXPECT_EQ(2u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
}
TEST_F(AXTableInfoTest, AuthorRowAndColumnCountsAreRespected) {
// Simple 1 x 1 table, but the table's authored row and column
// counts imply a larger table (with missing cells).
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(3);
MakeTable(&initial_state.nodes[0], 1, 8, 9);
initial_state.nodes[0].child_ids = {2};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {3};
MakeCell(&initial_state.nodes[2], 3, 0, 1);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root());
EXPECT_EQ(8u, table_info->row_count);
EXPECT_EQ(9u, table_info->col_count);
EXPECT_EQ(1u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
}
TEST_F(AXTableInfoTest, TableInfoRecomputedOnlyWhenTableChanges) {
// Simple 1 x 1 table.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(3);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {3};
MakeCell(&initial_state.nodes[2], 3, 0, 0);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root());
EXPECT_EQ(1u, table_info->row_count);
EXPECT_EQ(1u, table_info->col_count);
// Table info is cached.
AXTableInfo* table_info_2 = GetTableInfo(&tree, tree.root());
EXPECT_EQ(table_info, table_info_2);
// Update the table so that the cell has a span.
AXTreeUpdate update = initial_state;
MakeCell(&update.nodes[2], 3, 0, 0, 1, 2);
EXPECT_TRUE(tree.Unserialize(update));
AXTableInfo* table_info_3 = GetTableInfo(&tree, tree.root());
EXPECT_EQ(1u, table_info_3->row_count);
EXPECT_EQ(2u, table_info_3->col_count);
EXPECT_EQ(1u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
}
TEST_F(AXTableInfoTest, CellIdsHandlesSpansAndMissingCells) {
// 3 column x 2 row table with spans and missing cells:
//
// +---+---+---+
// | | 5 |
// + 4 +---+---+
// | | 6 |
// +---+---+
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(6);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {4, 5};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {6};
MakeCell(&initial_state.nodes[3], 4, 0, 0, 2, 1); // Row span of 2
MakeCell(&initial_state.nodes[4], 5, 0, 1, 1, 5); // Column span of 2
MakeCell(&initial_state.nodes[5], 6, 1, 1);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root());
EXPECT_EQ(4, table_info->cell_ids[0][0]);
EXPECT_EQ(5, table_info->cell_ids[0][1]);
EXPECT_EQ(5, table_info->cell_ids[0][1]);
EXPECT_EQ(4, table_info->cell_ids[1][0]);
EXPECT_EQ(6, table_info->cell_ids[1][1]);
EXPECT_EQ(0, table_info->cell_ids[1][2]);
EXPECT_EQ(3U, table_info->unique_cell_ids.size());
EXPECT_EQ(4, table_info->unique_cell_ids[0]);
EXPECT_EQ(5, table_info->unique_cell_ids[1]);
EXPECT_EQ(6, table_info->unique_cell_ids[2]);
EXPECT_EQ(0u, table_info->cell_id_to_index[4]);
EXPECT_EQ(1u, table_info->cell_id_to_index[5]);
EXPECT_EQ(2u, table_info->cell_id_to_index[6]);
EXPECT_EQ(2u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
}
TEST_F(AXTableInfoTest, SkipsGenericAndIgnoredNodes) {
// Simple 2 x 2 table with 2 cells in the first row, 2 cells in the second
// row, but with extra divs and ignored nodes in the tree.
//
// 1 Table
// 2 Row
// 3 Ignored
// 4 Generic
// 5 Cell
// 6 Cell
// 7 Ignored
// 8 Row
// 9 Cell
// 10 Cell
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(10);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 7};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {3};
initial_state.nodes[2].id = 3;
initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
initial_state.nodes[2].child_ids = {4, 6};
initial_state.nodes[3].id = 4;
initial_state.nodes[3].role = ax::mojom::Role::kGenericContainer;
initial_state.nodes[3].child_ids = {5};
MakeCell(&initial_state.nodes[4], 5, 0, 0);
MakeCell(&initial_state.nodes[5], 6, 0, 1);
initial_state.nodes[6].id = 7;
initial_state.nodes[6].AddState(ax::mojom::State::kIgnored);
initial_state.nodes[6].child_ids = {8};
MakeRow(&initial_state.nodes[7], 8, 1);
initial_state.nodes[7].child_ids = {9, 10};
MakeCell(&initial_state.nodes[8], 9, 1, 0);
MakeCell(&initial_state.nodes[9], 10, 1, 1);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(2u, table_info->row_count);
EXPECT_EQ(2u, table_info->col_count);
EXPECT_EQ(5, table_info->cell_ids[0][0]);
EXPECT_EQ(6, table_info->cell_ids[0][1]);
EXPECT_EQ(9, table_info->cell_ids[1][0]);
EXPECT_EQ(10, table_info->cell_ids[1][1]);
EXPECT_EQ(2u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(8, table_info->row_nodes[1]->id());
}
TEST_F(AXTableInfoTest, RowHeadersWithSpans) {
// Row headers spanning vertically and horizontally.
// In the figure below, 5 and 6 are both row headers.
//
// +---+---+---+
// | 5 | 9 |
// +---+---+---+
// | | 7 |
// + 6 +---+---+
// | | | 8 |
// +---+ +---+
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(9);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3, 4};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {5, 9};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {6, 7};
MakeRow(&initial_state.nodes[3], 4, 2);
initial_state.nodes[3].child_ids = {8};
MakeRowHeader(&initial_state.nodes[4], 5, 0, 0, 1, 2);
MakeRowHeader(&initial_state.nodes[5], 6, 1, 0, 2, 1);
MakeCell(&initial_state.nodes[6], 7, 1, 1);
MakeCell(&initial_state.nodes[7], 8, 2, 2);
MakeCell(&initial_state.nodes[8], 9, 0, 2);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(3U, table_info->row_headers.size());
EXPECT_EQ(1U, table_info->row_headers[0].size());
EXPECT_EQ(5, table_info->row_headers[0][0]);
EXPECT_EQ(1U, table_info->row_headers[1].size());
EXPECT_EQ(6, table_info->row_headers[1][0]);
EXPECT_EQ(1U, table_info->row_headers[1].size());
EXPECT_EQ(6, table_info->row_headers[2][0]);
EXPECT_EQ(5, table_info->cell_ids[0][0]);
EXPECT_EQ(5, table_info->cell_ids[0][1]);
EXPECT_EQ(9, table_info->cell_ids[0][2]);
EXPECT_EQ(6, table_info->cell_ids[1][0]);
EXPECT_EQ(7, table_info->cell_ids[1][1]);
EXPECT_EQ(0, table_info->cell_ids[1][2]);
EXPECT_EQ(6, table_info->cell_ids[2][0]);
EXPECT_EQ(0, table_info->cell_ids[2][1]);
EXPECT_EQ(8, table_info->cell_ids[2][2]);
EXPECT_EQ(3u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
EXPECT_EQ(4, table_info->row_nodes[2]->id());
}
TEST_F(AXTableInfoTest, MultipleRowHeadersInSameRow) {
// In the figure below, 3 and 4 are both row headers.
// Row header 3 spans two columns.
//
// +---+---+---+---+
// | 3 | 4 | 5 |
// +---+---+---+---+
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(5);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {3, 4, 5};
MakeRowHeader(&initial_state.nodes[2], 3, 0, 0, 1, 2);
MakeRowHeader(&initial_state.nodes[3], 4, 0, 2, 1, 1);
MakeCell(&initial_state.nodes[4], 5, 0, 3);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(1U, table_info->row_headers.size());
EXPECT_EQ(2U, table_info->row_headers[0].size());
EXPECT_EQ(3, table_info->row_headers[0][0]);
EXPECT_EQ(4, table_info->row_headers[0][1]);
EXPECT_EQ(3, table_info->cell_ids[0][0]);
EXPECT_EQ(3, table_info->cell_ids[0][1]);
EXPECT_EQ(4, table_info->cell_ids[0][2]);
EXPECT_EQ(5, table_info->cell_ids[0][3]);
EXPECT_EQ(1u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
}
TEST_F(AXTableInfoTest, ColumnHeadersWithSpans) {
// Column headers spanning vertically and horizontally.
// In the figure below, 5 and 6 are both column headers.
//
// +---+---+---+
// | 5 | |
// +---+---+ 6 +
// | 7 | |
// +---+---+---+
// | 8 | | 9 |
// +---+ +---+
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(9);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3, 4};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {5, 6};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {7};
MakeRow(&initial_state.nodes[3], 4, 2);
initial_state.nodes[3].child_ids = {8, 9};
MakeColumnHeader(&initial_state.nodes[4], 5, 0, 0, 1, 2);
MakeColumnHeader(&initial_state.nodes[5], 6, 0, 2, 2, 1);
MakeCell(&initial_state.nodes[6], 7, 1, 1);
MakeCell(&initial_state.nodes[7], 8, 2, 0);
MakeCell(&initial_state.nodes[8], 9, 2, 2);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(3U, table_info->col_headers.size());
EXPECT_EQ(1U, table_info->col_headers[0].size());
EXPECT_EQ(5, table_info->col_headers[0][0]);
EXPECT_EQ(1U, table_info->col_headers[1].size());
EXPECT_EQ(5, table_info->col_headers[1][0]);
EXPECT_EQ(1U, table_info->col_headers[2].size());
EXPECT_EQ(6, table_info->col_headers[2][0]);
EXPECT_EQ(5, table_info->cell_ids[0][0]);
EXPECT_EQ(5, table_info->cell_ids[0][1]);
EXPECT_EQ(6, table_info->cell_ids[0][2]);
EXPECT_EQ(0, table_info->cell_ids[1][0]);
EXPECT_EQ(7, table_info->cell_ids[1][1]);
EXPECT_EQ(6, table_info->cell_ids[1][2]);
EXPECT_EQ(8, table_info->cell_ids[2][0]);
EXPECT_EQ(0, table_info->cell_ids[2][1]);
EXPECT_EQ(9, table_info->cell_ids[2][2]);
EXPECT_EQ(3u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
EXPECT_EQ(4, table_info->row_nodes[2]->id());
}
TEST_F(AXTableInfoTest, MultipleColumnHeadersInSameColumn) {
// In the figure below, 6 and 7 are both column headers.
// Column header 6 spans two rows.
//
// +---+
// | |
// + 6 +
// | |
// +---+
// | 7 |
// +---+
// | 8 |
// +---+
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(8);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3, 4, 5};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {6};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {};
MakeRow(&initial_state.nodes[3], 4, 2);
initial_state.nodes[3].child_ids = {7};
MakeRow(&initial_state.nodes[4], 5, 3);
initial_state.nodes[4].child_ids = {8};
MakeColumnHeader(&initial_state.nodes[5], 6, 0, 0, 2, 1);
MakeColumnHeader(&initial_state.nodes[6], 7, 2, 0, 1, 1);
MakeCell(&initial_state.nodes[7], 8, 3, 0);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
EXPECT_EQ(1U, table_info->col_headers.size());
EXPECT_EQ(2U, table_info->col_headers[0].size());
EXPECT_EQ(6, table_info->col_headers[0][0]);
EXPECT_EQ(7, table_info->col_headers[0][1]);
EXPECT_EQ(6, table_info->cell_ids[0][0]);
EXPECT_EQ(6, table_info->cell_ids[1][0]);
EXPECT_EQ(7, table_info->cell_ids[2][0]);
EXPECT_EQ(8, table_info->cell_ids[3][0]);
EXPECT_EQ(4u, table_info->row_nodes.size());
EXPECT_EQ(2, table_info->row_nodes[0]->id());
EXPECT_EQ(3, table_info->row_nodes[1]->id());
EXPECT_EQ(4, table_info->row_nodes[2]->id());
EXPECT_EQ(5, table_info->row_nodes[3]->id());
}
#if BUILDFLAG(IS_MAC)
TEST_F(AXTableInfoTest, ExtraMacNodes) {
// Simple 2 x 2 table with 2 column headers in first row, 2 cells in second
// row.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
MakeTable(&initial_state.nodes[0], 1, 0, 0);
initial_state.nodes[0].child_ids = {2, 3};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {4, 5};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].child_ids = {6, 7};
MakeColumnHeader(&initial_state.nodes[3], 4, 0, 0);
MakeColumnHeader(&initial_state.nodes[4], 5, 0, 1);
MakeCell(&initial_state.nodes[5], 6, 1, 0);
MakeCell(&initial_state.nodes[6], 7, 1, 1);
AXTree tree(initial_state);
AXTableInfo* table_info = GetTableInfo(&tree, tree.root()->children()[0]);
EXPECT_FALSE(table_info);
table_info = GetTableInfo(&tree, tree.root());
EXPECT_TRUE(table_info);
// We expect 3 extra Mac nodes: two column nodes, and one header node.
EXPECT_EQ(3U, table_info->extra_mac_nodes.size());
// The first column.
AXNode* extra_node_0 = table_info->extra_mac_nodes[0];
EXPECT_EQ(-1, extra_node_0->id());
EXPECT_EQ(1, extra_node_0->parent()->id());
EXPECT_EQ(ax::mojom::Role::kColumn, extra_node_0->GetRole());
EXPECT_EQ(2U, extra_node_0->GetIndexInParent());
EXPECT_EQ(2U, extra_node_0->GetUnignoredIndexInParent());
EXPECT_EQ(0, extra_node_0->GetIntAttribute(
ax::mojom::IntAttribute::kTableColumnIndex));
std::vector<AXNodeID> indirect_child_ids;
EXPECT_EQ(true, extra_node_0->GetIntListAttribute(
ax::mojom::IntListAttribute::kIndirectChildIds,
&indirect_child_ids));
EXPECT_EQ(2U, indirect_child_ids.size());
EXPECT_EQ(4, indirect_child_ids[0]);
EXPECT_EQ(6, indirect_child_ids[1]);
// The second column.
AXNode* extra_node_1 = table_info->extra_mac_nodes[1];
EXPECT_EQ(-2, extra_node_1->id());
EXPECT_EQ(1, extra_node_1->parent()->id());
EXPECT_EQ(ax::mojom::Role::kColumn, extra_node_1->GetRole());
EXPECT_EQ(3U, extra_node_1->GetIndexInParent());
EXPECT_EQ(3U, extra_node_1->GetUnignoredIndexInParent());
EXPECT_EQ(1, extra_node_1->GetIntAttribute(
ax::mojom::IntAttribute::kTableColumnIndex));
indirect_child_ids.clear();
EXPECT_EQ(true, extra_node_1->GetIntListAttribute(
ax::mojom::IntListAttribute::kIndirectChildIds,
&indirect_child_ids));
EXPECT_EQ(2U, indirect_child_ids.size());
EXPECT_EQ(5, indirect_child_ids[0]);
EXPECT_EQ(7, indirect_child_ids[1]);
// The table header container.
AXNode* extra_node_2 = table_info->extra_mac_nodes[2];
EXPECT_EQ(-3, extra_node_2->id());
EXPECT_EQ(1, extra_node_2->parent()->id());
EXPECT_EQ(ax::mojom::Role::kTableHeaderContainer, extra_node_2->GetRole());
EXPECT_EQ(4U, extra_node_2->GetIndexInParent());
EXPECT_EQ(4U, extra_node_2->GetUnignoredIndexInParent());
indirect_child_ids.clear();
EXPECT_EQ(true, extra_node_2->GetIntListAttribute(
ax::mojom::IntListAttribute::kIndirectChildIds,
&indirect_child_ids));
EXPECT_EQ(2U, indirect_child_ids.size());
EXPECT_EQ(4, indirect_child_ids[0]);
EXPECT_EQ(5, indirect_child_ids[1]);
}
#endif
TEST_F(AXTableInfoTest, TableWithNoIndices) {
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
initial_state.nodes[0].id = 1;
initial_state.nodes[0].role = ax::mojom::Role::kTable;
initial_state.nodes[0].child_ids = {2, 3};
initial_state.nodes[1].id = 2;
initial_state.nodes[1].role = ax::mojom::Role::kRow;
initial_state.nodes[1].child_ids = {4, 5};
initial_state.nodes[2].id = 3;
initial_state.nodes[2].role = ax::mojom::Role::kRow;
initial_state.nodes[2].child_ids = {6, 7};
initial_state.nodes[3].id = 4;
initial_state.nodes[3].role = ax::mojom::Role::kColumnHeader;
initial_state.nodes[4].id = 5;
initial_state.nodes[4].role = ax::mojom::Role::kColumnHeader;
initial_state.nodes[5].id = 6;
initial_state.nodes[5].role = ax::mojom::Role::kCell;
initial_state.nodes[6].id = 7;
initial_state.nodes[6].role = ax::mojom::Role::kCell;
AXTree tree(initial_state);
AXNode* table = tree.root();
EXPECT_TRUE(table->IsTable());
EXPECT_FALSE(table->IsTableRow());
EXPECT_FALSE(table->IsTableCellOrHeader());
EXPECT_EQ(2, table->GetTableColCount());
EXPECT_EQ(2, table->GetTableRowCount());
EXPECT_EQ(2u, table->GetTableRowNodeIds().size());
EXPECT_EQ(2, table->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, table->GetTableRowNodeIds()[1]);
EXPECT_EQ(4, table->GetTableCellFromCoords(0, 0)->id());
EXPECT_EQ(5, table->GetTableCellFromCoords(0, 1)->id());
EXPECT_EQ(6, table->GetTableCellFromCoords(1, 0)->id());
EXPECT_EQ(7, table->GetTableCellFromCoords(1, 1)->id());
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(2, 1));
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(1, -1));
EXPECT_EQ(4, table->GetTableCellFromIndex(0)->id());
EXPECT_EQ(5, table->GetTableCellFromIndex(1)->id());
EXPECT_EQ(6, table->GetTableCellFromIndex(2)->id());
EXPECT_EQ(7, table->GetTableCellFromIndex(3)->id());
EXPECT_EQ(nullptr, table->GetTableCellFromIndex(-1));
EXPECT_EQ(nullptr, table->GetTableCellFromIndex(4));
AXNode* cell_0_0 = tree.GetFromId(4);
EXPECT_EQ(0, cell_0_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_0_0->GetTableCellColIndex());
AXNode* cell_0_1 = tree.GetFromId(5);
EXPECT_EQ(0, cell_0_1->GetTableCellRowIndex());
EXPECT_EQ(1, cell_0_1->GetTableCellColIndex());
AXNode* cell_1_0 = tree.GetFromId(6);
EXPECT_EQ(1, cell_1_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_1_0->GetTableCellColIndex());
AXNode* cell_1_1 = tree.GetFromId(7);
EXPECT_EQ(1, cell_1_1->GetTableCellRowIndex());
EXPECT_EQ(1, cell_1_1->GetTableCellColIndex());
}
TEST_F(AXTableInfoTest, TableWithPartialIndices) {
// Start with a table with no indices.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
initial_state.nodes[0].id = 1;
initial_state.nodes[0].role = ax::mojom::Role::kTable;
initial_state.nodes[0].child_ids = {2, 3};
initial_state.nodes[1].id = 2;
initial_state.nodes[1].role = ax::mojom::Role::kRow;
initial_state.nodes[1].child_ids = {4, 5};
initial_state.nodes[2].id = 3;
initial_state.nodes[2].role = ax::mojom::Role::kRow;
initial_state.nodes[2].child_ids = {6, 7};
initial_state.nodes[3].id = 4;
initial_state.nodes[3].role = ax::mojom::Role::kColumnHeader;
initial_state.nodes[4].id = 5;
initial_state.nodes[4].role = ax::mojom::Role::kColumnHeader;
initial_state.nodes[5].id = 6;
initial_state.nodes[5].role = ax::mojom::Role::kCell;
initial_state.nodes[6].id = 7;
initial_state.nodes[6].role = ax::mojom::Role::kCell;
AXTree tree(initial_state);
AXNode* table = tree.root();
EXPECT_EQ(2, table->GetTableColCount());
EXPECT_EQ(2, table->GetTableRowCount());
AXNode* cell_0_0 = tree.GetFromId(4);
EXPECT_EQ(0, cell_0_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_0_0->GetTableCellColIndex());
AXNode* cell_0_1 = tree.GetFromId(5);
EXPECT_EQ(0, cell_0_1->GetTableCellRowIndex());
EXPECT_EQ(1, cell_0_1->GetTableCellColIndex());
AXNode* cell_1_0 = tree.GetFromId(6);
EXPECT_EQ(1, cell_1_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_1_0->GetTableCellColIndex());
AXNode* cell_1_1 = tree.GetFromId(7);
EXPECT_EQ(1, cell_1_1->GetTableCellRowIndex());
EXPECT_EQ(1, cell_1_1->GetTableCellColIndex());
AXTreeUpdate update = initial_state;
update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kTableColumnCount,
5);
update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kTableRowCount, 2);
update.nodes[5].AddIntAttribute(ax::mojom::IntAttribute::kTableCellRowIndex,
2);
update.nodes[5].AddIntAttribute(
ax::mojom::IntAttribute::kTableCellColumnIndex, 0);
update.nodes[6].AddIntAttribute(ax::mojom::IntAttribute::kTableCellRowIndex,
2);
update.nodes[6].AddIntAttribute(
ax::mojom::IntAttribute::kTableCellColumnIndex, 2);
EXPECT_TRUE(tree.Unserialize(update));
// The largest column index in the table is 2, but the
// table claims it has a column count of 5. That's allowed.
EXPECT_EQ(5, table->GetTableColCount());
// While the table claims it has a row count of 2, the
// last row has an index of 2, so the correct row count is 3.
EXPECT_EQ(3, table->GetTableRowCount());
EXPECT_EQ(2u, table->GetTableRowNodeIds().size());
EXPECT_EQ(2, table->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, table->GetTableRowNodeIds()[1]);
// All of the specified row and cell indices are legal
// so they're respected.
EXPECT_EQ(0, cell_0_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_0_0->GetTableCellColIndex());
EXPECT_EQ(0, cell_0_1->GetTableCellRowIndex());
EXPECT_EQ(1, cell_0_1->GetTableCellColIndex());
EXPECT_EQ(2, cell_1_0->GetTableCellRowIndex());
EXPECT_EQ(0, cell_1_0->GetTableCellColIndex());
EXPECT_EQ(2, cell_1_1->GetTableCellRowIndex());
EXPECT_EQ(2, cell_1_1->GetTableCellColIndex());
// Fetching cells by coordinates works.
EXPECT_EQ(4, table->GetTableCellFromCoords(0, 0)->id());
EXPECT_EQ(5, table->GetTableCellFromCoords(0, 1)->id());
EXPECT_EQ(6, table->GetTableCellFromCoords(2, 0)->id());
EXPECT_EQ(7, table->GetTableCellFromCoords(2, 2)->id());
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(0, 2));
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(1, 0));
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(1, 1));
EXPECT_EQ(nullptr, table->GetTableCellFromCoords(2, 1));
}
TEST_F(AXTableInfoTest, BadRowIndicesIgnored) {
// The table claims it has two rows and two columns, but
// the cell indices for both the first and second rows
// are for row 2 (zero-based).
//
// The cell indexes for the first row should be
// respected, and for the second row it will get the
// next row index.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
MakeTable(&initial_state.nodes[0], 1, 2, 2);
initial_state.nodes[0].child_ids = {2, 3};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {4, 5};
MakeRow(&initial_state.nodes[2], 3, 0);
initial_state.nodes[2].child_ids = {6, 7};
MakeCell(&initial_state.nodes[3], 4, 2, 0);
MakeCell(&initial_state.nodes[4], 5, 2, 1);
MakeCell(&initial_state.nodes[5], 6, 2, 0);
MakeCell(&initial_state.nodes[6], 7, 2, 1);
AXTree tree(initial_state);
AXNode* table = tree.root();
EXPECT_EQ(2, table->GetTableColCount());
EXPECT_EQ(4, table->GetTableRowCount());
EXPECT_EQ(2u, table->GetTableRowNodeIds().size());
EXPECT_EQ(2, table->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, table->GetTableRowNodeIds()[1]);
AXNode* cell_id_4 = tree.GetFromId(4);
EXPECT_EQ(2, cell_id_4->GetTableCellRowIndex());
EXPECT_EQ(0, cell_id_4->GetTableCellColIndex());
AXNode* cell_id_5 = tree.GetFromId(5);
EXPECT_EQ(2, cell_id_5->GetTableCellRowIndex());
EXPECT_EQ(1, cell_id_5->GetTableCellColIndex());
AXNode* cell_id_6 = tree.GetFromId(6);
EXPECT_EQ(3, cell_id_6->GetTableCellRowIndex());
EXPECT_EQ(0, cell_id_6->GetTableCellColIndex());
AXNode* cell_id_7 = tree.GetFromId(7);
EXPECT_EQ(3, cell_id_7->GetTableCellRowIndex());
EXPECT_EQ(1, cell_id_7->GetTableCellColIndex());
}
TEST_F(AXTableInfoTest, BadColIndicesIgnored) {
// The table claims it has two rows and two columns, but
// the cell indices for the columns either repeat or
// go backwards.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(7);
MakeTable(&initial_state.nodes[0], 1, 2, 2);
initial_state.nodes[0].child_ids = {2, 3};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {4, 5};
MakeRow(&initial_state.nodes[2], 3, 0);
initial_state.nodes[2].child_ids = {6, 7};
MakeCell(&initial_state.nodes[3], 4, 0, 1);
MakeCell(&initial_state.nodes[4], 5, 0, 1);
MakeCell(&initial_state.nodes[5], 6, 1, 2);
MakeCell(&initial_state.nodes[6], 7, 1, 1);
AXTree tree(initial_state);
AXNode* table = tree.root();
EXPECT_EQ(4, table->GetTableColCount());
EXPECT_EQ(2, table->GetTableRowCount());
EXPECT_EQ(2u, table->GetTableRowNodeIds().size());
EXPECT_EQ(2, table->GetTableRowNodeIds()[0]);
EXPECT_EQ(3, table->GetTableRowNodeIds()[1]);
AXNode* cell_id_4 = tree.GetFromId(4);
EXPECT_EQ(0, cell_id_4->GetTableCellRowIndex());
EXPECT_EQ(1, cell_id_4->GetTableCellColIndex());
AXNode* cell_id_5 = tree.GetFromId(5);
EXPECT_EQ(0, cell_id_5->GetTableCellRowIndex());
EXPECT_EQ(2, cell_id_5->GetTableCellColIndex());
AXNode* cell_id_6 = tree.GetFromId(6);
EXPECT_EQ(1, cell_id_6->GetTableCellRowIndex());
EXPECT_EQ(2, cell_id_6->GetTableCellColIndex());
AXNode* cell_id_7 = tree.GetFromId(7);
EXPECT_EQ(1, cell_id_7->GetTableCellRowIndex());
EXPECT_EQ(3, cell_id_7->GetTableCellColIndex());
}
TEST_F(AXTableInfoTest, AriaIndicesInferred) {
// Note that ARIA indices are 1-based, whereas the rest of
// the table indices are zero-based.
AXTreeUpdate initial_state;
initial_state.root_id = 1;
initial_state.nodes.resize(13);
MakeTable(&initial_state.nodes[0], 1, 3, 3);
initial_state.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kAriaRowCount,
5);
initial_state.nodes[0].AddIntAttribute(
ax::mojom::IntAttribute::kAriaColumnCount, 5);
initial_state.nodes[0].child_ids = {2, 3, 4};
MakeRow(&initial_state.nodes[1], 2, 0);
initial_state.nodes[1].child_ids = {5, 6, 7};
MakeRow(&initial_state.nodes[2], 3, 1);
initial_state.nodes[2].AddIntAttribute(
ax::mojom::IntAttribute::kAriaCellRowIndex, 4);
initial_state.nodes[2].child_ids = {8, 9, 10};
MakeRow(&initial_state.nodes[3], 4, 2);
initial_state.nodes[3].AddIntAttribute(
ax::mojom::IntAttribute::kAriaCellRowIndex, 4);
initial_state.nodes[3].child_ids = {11, 12, 13};
MakeCell(&initial_state.nodes[4], 5, 0, 0);
initial_state.nodes[4].AddIntAttribute(
ax::mojom::IntAttribute::kAriaCellRowIndex, 2);
initial_state.nodes[4].AddIntAttribute(
ax::mojom::IntAttribute::kAriaCellColumnIndex, 2);
MakeCell(&initial_state.nodes[5], 6, 0, 1);
MakeCell(&initial_state.nodes[6], 7, 0, 2);
MakeCell(&initial_state.nodes[7], 8, 1, 0);