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// Copyright 2012 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/views/controls/table/table_utils.h"
#include <stddef.h>
#include <string>
#include "base/strings/string_number_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/font_list.h"
#include "ui/views/controls/table/test_table_model.h"
using ui::TableColumn;
using ui::TableModel;
namespace views {
namespace {
std::string IntVectorToString(const std::vector<int>& values) {
std::string result;
for (size_t i = 0; i < values.size(); ++i) {
if (i != 0) {
result += ",";
}
result += base::NumberToString(values[i]);
}
return result;
}
ui::TableColumn CreateTableColumnWithWidth(int width) {
ui::TableColumn column;
column.width = width;
return column;
}
} // namespace
// Verifies columns with a specified width is honored.
TEST(TableUtilsTest, SetWidthHonored) {
TestTableModel model(4);
std::vector<TableColumn> columns;
columns.push_back(CreateTableColumnWithWidth(20));
columns.push_back(CreateTableColumnWithWidth(30));
gfx::FontList font_list;
std::vector<int> result(CalculateTableColumnSizes(
100, 0, font_list, font_list, 0, 0, columns, &model));
EXPECT_EQ("20,30", IntVectorToString(result));
// Same with some padding, it should be ignored.
result = CalculateTableColumnSizes(100, 0, font_list, font_list, 2, 0,
columns, &model);
EXPECT_EQ("20,30", IntVectorToString(result));
// Same with not enough space, it shouldn't matter.
result = CalculateTableColumnSizes(10, 0, font_list, font_list, 2, 0, columns,
&model);
EXPECT_EQ("20,30", IntVectorToString(result));
}
// Verifies if no size is specified the last column gets all the available
// space.
TEST(TableUtilsTest, LastColumnGetsAllSpace) {
TestTableModel model(4);
std::vector<TableColumn> columns;
columns.emplace_back();
columns.emplace_back();
gfx::FontList font_list;
std::vector<int> result(CalculateTableColumnSizes(
500, 0, font_list, font_list, 0, 0, columns, &model));
EXPECT_NE(0, result[0]);
EXPECT_GE(result[1],
WidthForContent(font_list, font_list, 0, 0, columns[1], &model));
EXPECT_EQ(500, result[0] + result[1]);
}
// Verifies a single column with a percent=1 is resized correctly.
TEST(TableUtilsTest, SingleResizableColumn) {
TestTableModel model(4);
std::vector<TableColumn> columns;
columns.emplace_back();
columns.emplace_back();
columns.emplace_back();
columns[2].percent = 1.0f;
gfx::FontList font_list;
std::vector<int> result(CalculateTableColumnSizes(
500, 0, font_list, font_list, 0, 0, columns, &model));
EXPECT_EQ(result[0],
WidthForContent(font_list, font_list, 0, 0, columns[0], &model));
EXPECT_EQ(result[1],
WidthForContent(font_list, font_list, 0, 0, columns[1], &model));
EXPECT_EQ(500 - result[0] - result[1], result[2]);
// The same with a slightly larger width passed in.
result = CalculateTableColumnSizes(1000, 0, font_list, font_list, 0, 0,
columns, &model);
EXPECT_EQ(result[0],
WidthForContent(font_list, font_list, 0, 0, columns[0], &model));
EXPECT_EQ(result[1],
WidthForContent(font_list, font_list, 0, 0, columns[1], &model));
EXPECT_EQ(1000 - result[0] - result[1], result[2]);
// Verify padding for the first column is honored.
result = CalculateTableColumnSizes(1000, 10, font_list, font_list, 0, 0,
columns, &model);
EXPECT_EQ(
result[0],
WidthForContent(font_list, font_list, 0, 0, columns[0], &model) + 10);
EXPECT_EQ(result[1],
WidthForContent(font_list, font_list, 0, 0, columns[1], &model));
EXPECT_EQ(1000 - result[0] - result[1], result[2]);
// Just enough space to show the first two columns. Should force last column
// to min size.
result = CalculateTableColumnSizes(1000, 0, font_list, font_list, 0, 0,
columns, &model);
result = CalculateTableColumnSizes(result[0] + result[1], 0, font_list,
font_list, 0, 0, columns, &model);
EXPECT_EQ(result[0],
WidthForContent(font_list, font_list, 0, 0, columns[0], &model));
EXPECT_EQ(result[1],
WidthForContent(font_list, font_list, 0, 0, columns[1], &model));
EXPECT_EQ(kUnspecifiedColumnWidth, result[2]);
}
} // namespace views
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