mirror of
https://github.com/ArthurSonzogni/FTXUI.git
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3b4ab618a3
In the past, FTXUI switched from std::string to std::wstring to support fullwidth characters. The reasons was that fullwidth characters can be stored inside a single wchar_t. Then FTXUI added support for combining characters. A single glygh doesn't even fit a wchar_t. Instead, a glyph can be arbitrary large. The usage of wstring doesn't really fit the new model and have several drawbacks: 1. It doesn't simplify the implementation of FTXUI, because of combining characters. 2. It reduces drawing performance by 2x. 3. It increase Screen's memory allocation by 2x. This patch converts FTXUI to use std::string internally. It now exposes std::string based API. The std::wstring API remains, but is now deprecated. Tests and examples haven't been update to show the breakage is limited. They will be updated in a second set of patches. Bug: https://github.com/ArthurSonzogni/FTXUI/issues/153 Co-authored-by: Tushar Maheshwari <tushar27192@gmail.com>
371 lines
9.2 KiB
C++
371 lines
9.2 KiB
C++
#include <gtest/gtest-message.h> // for Message
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#include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestFactoryImpl, TestPartResult
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#include <algorithm> // for remove
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#include <string> // for allocator, basic_string, string
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#include <vector> // for vector
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#include "ftxui/dom/deprecated.hpp" // for vtext
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#include "ftxui/dom/elements.hpp" // for operator|, Element, flex_grow, flex_shrink, vbox
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#include "ftxui/dom/node.hpp" // for Render
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#include "ftxui/screen/box.hpp" // for ftxui
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#include "ftxui/screen/screen.hpp" // for Screen
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#include "gtest/gtest_pred_impl.h" // for Test, EXPECT_EQ, TEST
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using namespace ftxui;
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using namespace ftxui;
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std::string rotate(std::string str) {
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str.erase(std::remove(str.begin(), str.end(), '\r'), str.end());
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str.erase(std::remove(str.begin(), str.end(), '\n'), str.end());
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return str;
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}
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TEST(VBoxText, NoFlex_NoFlex_NoFlex) {
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auto root = vbox({
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vtext(L"012"),
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vtext(L"abc"),
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vtext(L"ABC"),
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexGrow_NoFlex_NoFlex) {
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auto root = vbox({
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vtext(L"012") | flex_grow,
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vtext(L"abc"),
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vtext(L"ABC"),
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012 abcABC", //
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"012 abcABC", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, NoFlex_FlexGrow_NoFlex) {
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auto root = vbox({
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vtext(L"012"),
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vtext(L"abc") | flex_grow,
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vtext(L"ABC"),
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abc ABC", //
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"012abc ABC", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, NoFlex_NoFlex_FlexGrow) {
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auto root = vbox({
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vtext(L"012"),
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vtext(L"abc"),
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vtext(L"ABC") | flex_grow,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexGrow_NoFlex_FlexGrow) {
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auto root = vbox({
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vtext(L"012") | flex_grow,
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vtext(L"abc"),
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vtext(L"ABC") | flex_grow,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012 abcABC ", //
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"012 abcABC ", //
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"012 abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexGrow_FlexGrow_FlexGrow) {
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auto root = vbox({
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vtext(L"012") | flex_grow,
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vtext(L"abc") | flex_grow,
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vtext(L"ABC") | flex_grow,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012abc ABC ", //
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"012 abc ABC ", //
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"012 abc ABC ", //
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"012 abc ABC ", //
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"012 abc ABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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// ------
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TEST(VBoxText, FlexShrink_NoFlex_NoFlex) {
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auto root = vbox({
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vtext(L"012") | flex_shrink,
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vtext(L"abc"),
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vtext(L"ABC"),
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});
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std::vector<std::string> expectations = {
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"", //
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"a", //
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"aA", //
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"abA", //
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"abAB", //
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"abcAB", //
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"abcABC", //
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"0abcABC", //
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"01abcABC", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, NoFlex_FlexShrink_NoFlex) {
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auto root = vbox({
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vtext(L"012"),
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vtext(L"abc") | flex_shrink,
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vtext(L"ABC"),
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0A", //
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"01A", //
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"01AB", //
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"012AB", //
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"012ABC", //
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"012aABC", //
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"012abABC", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, NoFlex_NoFlex_FlexShrink) {
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auto root = vbox({
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vtext(L"012"),
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vtext(L"abc"),
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vtext(L"ABC") | flex_shrink,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"01a", //
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"01ab", //
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"012ab", //
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"012abc", //
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"012abcA", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexShrink_NoFlex_FlexShrink) {
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auto root = vbox({
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vtext(L"012") | flex_shrink,
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vtext(L"abc"),
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vtext(L"ABC") | flex_shrink,
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});
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std::vector<std::string> expectations = {
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"", //
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"a", //
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"ab", //
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"abc", //
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"0abc", //
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"0abcA", //
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"01abcA", //
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"01abcAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexShrink_FlexShrink_FlexShrink) {
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auto root = vbox({
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vtext(L"012") | flex_shrink,
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vtext(L"abc") | flex_shrink,
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vtext(L"ABC") | flex_shrink,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"0aA", //
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"01aA", //
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"01abA", //
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"01abAB", //
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"012abAB", //
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"012abcAB", //
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"012abcABC", //
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"012abcABC ", //
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"012abcABC ", //
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"012abcABC ", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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TEST(VBoxText, FlexGrow_NoFlex_FlewShrink) {
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auto root = vbox({
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vtext(L"012") | flex_grow,
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vtext(L"abc"),
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vtext(L"ABC") | flex_shrink,
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});
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std::vector<std::string> expectations = {
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"", //
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"0", //
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"0a", //
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"01a", //
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"01ab", //
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"012ab", //
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"012abc", //
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"012abcA", //
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"012abcAB", //
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"012abcABC", //
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"012 abcABC", //
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"012 abcABC", //
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"012 abcABC", //
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};
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for (int i = 0; i < expectations.size(); ++i) {
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Screen screen(1, i);
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Render(screen, root);
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EXPECT_EQ(expectations[i], rotate(screen.ToString()));
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}
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}
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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