From 785bada114baf22154c119a2d801d22b061f097e Mon Sep 17 00:00:00 2001
From: Clement Roblot <clement.roblot@martobre.fr>
Date: Tue, 24 Oct 2023 14:27:51 +0700
Subject: [PATCH] Added a test for button

---
 src/ftxui/component/button_test.cpp | 35 +++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/ftxui/component/button_test.cpp b/src/ftxui/component/button_test.cpp
index 664f0062..d186583a 100644
--- a/src/ftxui/component/button_test.cpp
+++ b/src/ftxui/component/button_test.cpp
@@ -96,6 +96,41 @@ TEST(ButtonTest, Basic) {
   (void)container->Render();
 }
 
+TEST(ButtonTest, DragClick) {
+  int press_count = 0;
+  auto btn = Button("btn", [&] {
+    press_count++;
+
+  });
+
+  auto container = Container::Horizontal(
+      {
+          btn,
+      });
+
+  (void)container->Render();
+
+  Event leftMousePress = Event::Mouse("", {Mouse::Button::Left, Mouse::Motion::Pressed});
+  Event leftMouseRelease = Event::Mouse("", {Mouse::Button::Left, Mouse::Motion::Released});
+
+  EXPECT_EQ(press_count, 0);
+  btn->OnEvent(leftMousePress);
+  EXPECT_EQ(press_count, 1);
+
+  // Simulate a drag of the mouse triggering
+  // multiple press without any Released event
+  btn->OnEvent(leftMousePress);
+  btn->OnEvent(leftMousePress);
+  btn->OnEvent(leftMousePress);
+
+  EXPECT_EQ(press_count, 1);
+
+  btn->OnEvent(leftMouseRelease);
+  btn->OnEvent(leftMousePress);
+
+  EXPECT_EQ(press_count, 2);
+}
+
 TEST(ButtonTest, Animation) {
   Terminal::SetColorSupport(Terminal::Color::TrueColor);
   int press_count = 0;