From cdea4209fc210edbfde7ecf51f0cf6e628b9bf07 Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Wed, 16 Mar 2016 11:16:06 +0100
Subject: [PATCH] Add event wait timeout test

---
 tests/CMakeLists.txt |  4 +-
 tests/timeout.c      | 97 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 tests/timeout.c

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 39614841..9339ee59 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -34,13 +34,14 @@ add_executable(icon WIN32 MACOSX_BUNDLE icon.c ${GLAD})
 add_executable(sharing WIN32 MACOSX_BUNDLE sharing.c ${GLAD})
 add_executable(tearing WIN32 MACOSX_BUNDLE tearing.c ${GETOPT} ${GLAD})
 add_executable(threads WIN32 MACOSX_BUNDLE threads.c ${TINYCTHREAD} ${GLAD})
+add_executable(timeout WIN32 MACOSX_BUNDLE timeout.c ${GLAD})
 add_executable(title WIN32 MACOSX_BUNDLE title.c ${GLAD})
 add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GETOPT} ${GLAD})
 
 target_link_libraries(empty "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
 target_link_libraries(threads "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
 
-set(WINDOWS_BINARIES empty icon sharing tearing threads title windows)
+set(WINDOWS_BINARIES empty icon sharing tearing threads timeout title windows)
 set(CONSOLE_BINARIES clipboard events msaa gamma glfwinfo
                      iconify joysticks monitors reopen cursor)
 
@@ -65,6 +66,7 @@ if (APPLE)
     set_target_properties(sharing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Sharing")
     set_target_properties(tearing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Tearing")
     set_target_properties(threads PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Threads")
+    set_target_properties(timeout PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Timeout")
     set_target_properties(title PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Title")
     set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
 
diff --git a/tests/timeout.c b/tests/timeout.c
new file mode 100644
index 00000000..13d73dcb
--- /dev/null
+++ b/tests/timeout.c
@@ -0,0 +1,97 @@
+//========================================================================
+// Event wait timeout test
+// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+//
+// This test is intended to verify that waiting for events with timeout works
+//
+//========================================================================
+
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void error_callback(int error, const char* description)
+{
+    fprintf(stderr, "Error: %s\n", description);
+}
+
+static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
+{
+    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
+        glfwSetWindowShouldClose(window, GLFW_TRUE);
+}
+
+static float nrand(void)
+{
+    return (float) rand() / (float) RAND_MAX;
+}
+
+int main(void)
+{
+    int result;
+    GLFWwindow* window;
+
+    srand((unsigned int) time(NULL));
+
+    glfwSetErrorCallback(error_callback);
+
+    if (!glfwInit())
+        exit(EXIT_FAILURE);
+
+    window = glfwCreateWindow(640, 480, "Event Wait Timeout Test", NULL, NULL);
+    if (!window)
+    {
+        glfwTerminate();
+        exit(EXIT_FAILURE);
+    }
+
+    glfwMakeContextCurrent(window);
+    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
+    glfwSetKeyCallback(window, key_callback);
+
+    while (!glfwWindowShouldClose(window))
+    {
+        int width, height;
+        float r = nrand(), g = nrand(), b = nrand();
+        float l = (float) sqrt(r * r + g * g + b * b);
+
+        glfwGetFramebufferSize(window, &width, &height);
+
+        glViewport(0, 0, width, height);
+        glClearColor(r / l, g / l, b / l, 1.f);
+        glClear(GL_COLOR_BUFFER_BIT);
+        glfwSwapBuffers(window);
+
+        glfwWaitEventsTimeout(1.0);
+    }
+
+    glfwDestroyWindow(window);
+
+    glfwTerminate();
+    exit(EXIT_SUCCESS);
+}
+