FTXUI/src/ftxui/dom/scroll_indicator_test.cpp
2022-04-28 10:43:31 +02:00

114 lines
3.5 KiB
C++

#include <gtest/gtest-message.h> // for Message
#include <gtest/gtest-test-part.h> // for TestPartResult, SuiteApiResolver, TestFactoryImpl
#include <memory> // for shared_ptr
#include <string> // for allocator, to_string, string
#include <utility> // for move
#include "ftxui/dom/elements.hpp" // for operator|, Element, operator|=, text, vbox, Elements, border, focus, frame, vscroll_indicator
#include "ftxui/dom/node.hpp" // for Render
#include "ftxui/screen/screen.hpp" // for Screen
#include "gtest/gtest_pred_impl.h" // for EXPECT_EQ, Test, TEST
namespace ftxui {
namespace {
Element MakeList(int focused_index, int n) {
Elements list;
for (int i = 0; i < n; ++i) {
auto element = text(std::to_string(i));
if (i == focused_index) {
element |= focus;
}
list.push_back(element);
}
return vbox(std::move(list)) | vscroll_indicator | frame | border;
}
std::string Print(int focused_index, int n) {
auto element = MakeList(focused_index, n);
Screen screen(6, 6);
Render(screen, element);
return screen.ToString();
}
} // namespace
TEST(ScrollIndicator, Basic) {
EXPECT_EQ(Print(0, 10),
"╭────╮\r\n"
"│0 ┃│\r\n"
"│1 ┃│\r\n"
"│2 │\r\n"
"│3 │\r\n"
"╰────╯");
EXPECT_EQ(Print(1, 10),
"╭────╮\r\n"
"│0 ┃│\r\n"
"│1 ┃│\r\n"
"│2 │\r\n"
"│3 │\r\n"
"╰────╯");
EXPECT_EQ(Print(2, 10),
"╭────╮\r\n"
"│1 ┃│\r\n"
"│2 ┃│\r\n"
"│3 │\r\n"
"│4 │\r\n"
"╰────╯");
EXPECT_EQ(Print(3, 10),
"╭────╮\r\n"
"│2 ╻│\r\n"
"│3 ┃│\r\n"
"│4 ╹│\r\n"
"│5 │\r\n"
"╰────╯");
EXPECT_EQ(Print(4, 10),
"╭────╮\r\n"
"│3 │\r\n"
"│4 ┃│\r\n"
"│5 ┃│\r\n"
"│6 │\r\n"
"╰────╯");
EXPECT_EQ(Print(5, 10),
"╭────╮\r\n"
"│4 │\r\n"
"│5 ╻│\r\n"
"│6 ┃│\r\n"
"│7 ╹│\r\n"
"╰────╯");
EXPECT_EQ(Print(6, 10),
"╭────╮\r\n"
"│5 │\r\n"
"│6 │\r\n"
"│7 ┃│\r\n"
"│8 ┃│\r\n"
"╰────╯");
EXPECT_EQ(Print(7, 10),
"╭────╮\r\n"
"│6 │\r\n"
"│7 │\r\n"
"│8 ┃│\r\n"
"│9 ┃│\r\n"
"╰────╯");
EXPECT_EQ(Print(8, 10),
"╭────╮\r\n"
"│6 │\r\n"
"│7 │\r\n"
"│8 ┃│\r\n"
"│9 ┃│\r\n"
"╰────╯");
EXPECT_EQ(Print(9, 10),
"╭────╮\r\n"
"│6 │\r\n"
"│7 │\r\n"
"│8 ┃│\r\n"
"│9 ┃│\r\n"
"╰────╯");
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.