From 6600e4fc03cb4cee5719e167b250c351a3a85d22 Mon Sep 17 00:00:00 2001
From: ArthurSonzogni <sonzogniarthur@gmail.com>
Date: Thu, 26 Mar 2020 23:12:42 +0100
Subject: [PATCH] Add ToggleTest.

---
 CMakeLists.txt                      |  3 +-
 src/ftxui/component/toggle_test.cpp | 75 +++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+), 1 deletion(-)
 create mode 100644 src/ftxui/component/toggle_test.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3dac3759..02bf2c29 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -154,6 +154,7 @@ export(TARGETS screen dom component NAMESPACE ftxui::
 find_package(GTest)
 if (FTXUI_BUILD_TESTS AND GTEST_FOUND AND THREADS_FOUND)
   add_executable(tests
+    src/ftxui/component/toggle_test.cpp
     src/ftxui/dom/gauge_test.cpp
     src/ftxui/dom/hbox_test.cpp
     src/ftxui/dom/text_test.cpp
@@ -161,7 +162,7 @@ if (FTXUI_BUILD_TESTS AND GTEST_FOUND AND THREADS_FOUND)
   )
 
   target_link_libraries(tests
-    PRIVATE dom
+    PRIVATE component
     PRIVATE Threads::Threads
     PRIVATE ${GTEST_BOTH_LIBRARIES}
   )
diff --git a/src/ftxui/component/toggle_test.cpp b/src/ftxui/component/toggle_test.cpp
new file mode 100644
index 00000000..090e5e02
--- /dev/null
+++ b/src/ftxui/component/toggle_test.cpp
@@ -0,0 +1,75 @@
+#include "ftxui/component/toggle.hpp"
+
+#include "gtest/gtest.h"
+
+using namespace ftxui;
+using namespace ftxui;
+
+TEST(ToggleTest, leftRightArrow) {
+  Toggle toggle;
+
+  // With arrow key.
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::ArrowRight);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::ArrowRight);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::ArrowLeft);
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::ArrowLeft);
+  EXPECT_EQ(toggle.selected, 0);
+
+  // With vim like characters.
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::Character('l'));
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::Character('l'));
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::Character('h'));
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::Character('h'));
+  EXPECT_EQ(toggle.selected, 0);
+
+  // With more entries
+  toggle.entries = {L"1", L"2", L"3"};
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::ArrowRight);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::ArrowRight);
+  EXPECT_EQ(toggle.selected, 2);
+  toggle.OnEvent(Event::ArrowRight);
+  EXPECT_EQ(toggle.selected, 2);
+  toggle.OnEvent(Event::ArrowLeft);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::ArrowLeft);
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::ArrowLeft);
+  EXPECT_EQ(toggle.selected, 0);
+}
+
+TEST(ToggleTest, Tab) {
+  Toggle toggle;
+  toggle.entries = {L"1", L"2", L"3"};
+
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::Tab);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::Tab);
+  EXPECT_EQ(toggle.selected, 2);
+  toggle.OnEvent(Event::Tab);
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::Tab);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::Tab);
+  EXPECT_EQ(toggle.selected, 2);
+  toggle.OnEvent(Event::TabReverse);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::TabReverse);
+  EXPECT_EQ(toggle.selected, 0);
+  toggle.OnEvent(Event::TabReverse);
+  EXPECT_EQ(toggle.selected, 2);
+  toggle.OnEvent(Event::TabReverse);
+  EXPECT_EQ(toggle.selected, 1);
+  toggle.OnEvent(Event::TabReverse);
+
+}