From 5191b4c7034d2e3e41c374e90d322d9c25293612 Mon Sep 17 00:00:00 2001
From: Paul T <DeveloperPaul123@users.noreply.github.com>
Date: Wed, 9 Oct 2019 08:50:27 -0400
Subject: [PATCH] Added GTest (googletest) Example (#84)

* Added GTest (googletest) Example

The examples tests the Fibonacci library similar to the doctest example.

* Update examples/gtest/CMakeLists.txt

Co-Authored-By: Lars Melchior <TheLartians@users.noreply.github.com>
---
 examples/gtest/CMakeLists.txt | 45 +++++++++++++++++++++++++++++++++++
 examples/gtest/main.cpp       | 13 ++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 examples/gtest/CMakeLists.txt
 create mode 100644 examples/gtest/main.cpp

diff --git a/examples/gtest/CMakeLists.txt b/examples/gtest/CMakeLists.txt
new file mode 100644
index 0000000..382c83d
--- /dev/null
+++ b/examples/gtest/CMakeLists.txt
@@ -0,0 +1,45 @@
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+
+project(CPMExampleGtest)
+
+# ---- Options ----
+
+option(ENABLE_TEST_COVERAGE "Enable test coverage" OFF)
+
+# ---- Dependencies ----
+
+include(../../cmake/CPM.cmake)
+
+CPMAddPackage(
+  NAME fibonacci
+  GIT_REPOSITORY https://github.com/TheLartians/Fibonacci.git
+  VERSION 1.0
+)
+
+CPMAddPackage(
+  NAME googletest
+  GITHUB_REPOSITORY google/googletest
+  GIT_TAG release-1.8.1
+  VERSION 1.8.1
+  OPTIONS
+      "INSTALL_GTEST OFF"
+      "gtest_force_shared_crt ON"
+)
+
+# ---- Create binary ----
+
+add_executable(CPMExampleGtest main.cpp)
+target_link_libraries(CPMExampleGtest fibonacci gtest gtest_main gmock)
+set_target_properties(CPMExampleGtest PROPERTIES CXX_STANDARD 17)
+
+# ---- Enable testing ----
+
+enable_testing() 
+add_test(CPMExampleGtest CPMExampleGtest)
+
+# ---- Add code coverage ----
+
+if (${ENABLE_TEST_COVERAGE})
+  set_target_properties(CPMExampleGtest PROPERTIES CXX_STANDARD 17 COMPILE_FLAGS "-O0 -g -fprofile-arcs -ftest-coverage --coverage")
+  target_link_options(CPMExampleGtest PUBLIC "--coverage")
+endif()
diff --git a/examples/gtest/main.cpp b/examples/gtest/main.cpp
new file mode 100644
index 0000000..c818345
--- /dev/null
+++ b/examples/gtest/main.cpp
@@ -0,0 +1,13 @@
+#include <gtest/gtest.h>
+#include <fibonacci.h>
+
+TEST(FibonacciTests, BasicChecks)
+{
+  ASSERT_TRUE(fibonnacci(0) == 0);
+  ASSERT_TRUE(fibonnacci(1) == 1);
+  ASSERT_TRUE(fibonnacci(2) == 1);
+  ASSERT_TRUE(fibonnacci(3) == 2);
+  ASSERT_TRUE(fibonnacci(4) == 3);
+  ASSERT_TRUE(fibonnacci(5) == 5);
+  ASSERT_TRUE(fibonnacci(13) == 233);
+}