From a1ebf62e218a2da2b48206539328af46a9f09e3f Mon Sep 17 00:00:00 2001
From: Joao Carreira <jfmcarreira@gmail.com>
Date: Sun, 9 May 2021 23:24:16 +0100
Subject: [PATCH] Add Catch2 testing into the Calyp library

---
 CMakeLists.txt                 | 21 +++++++++++-
 lib/CMakeLists.txt             |  4 +++
 lib/catch2/CMakeLists.txt      | 13 ++++++++
 lib/catch2/CalypFrameTests.cpp | 61 ++++++++++++++++++++++++++++++++++
 4 files changed, 98 insertions(+), 1 deletion(-)
 create mode 100644 lib/catch2/CMakeLists.txt
 create mode 100644 lib/catch2/CalypFrameTests.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 799912e..dd328f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # CMakeLists for calyp
 #
 
-CMAKE_MINIMUM_REQUIRED(VERSION 3.2.0)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.5.0)
 
 # ####################################################################################################################################################
 # Project Definition
@@ -48,6 +48,7 @@ OPTION(BUILD_TOOLS "Build Command Line Application" ON)
 OPTION(BUILD_EXAMPLES "Build Examples" OFF)
 OPTION(BUILD_DOC "Build Documentation" OFF)
 OPTION(BUILD_TESTS "Build Google Tests" OFF)
+OPTION(BUILD_TESTS_CATCH2 "Build Catch2 Tests" OFF)
 
 OPTION(USE_FERVOR "Add Fervor support" OFF)
 
@@ -124,6 +125,24 @@ IF(BUILD_TESTS)
   )
 ENDIF()
 
+IF(BUILD_TESTS_CATCH2)
+  INCLUDE(FetchContent)
+  FETCHCONTENT_DECLARE(
+    Catch2
+    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+    GIT_TAG v2.13.1
+  )
+  FETCHCONTENT_MAKEAVAILABLE(Catch2)
+  SET_PACKAGE_PROPERTIES(
+    Catch2 PROPERTIES
+    URL "https://github.com/catchorg/Catch2"
+    DESCRIPTION "Catch2 unit tests"
+    TYPE OPTIONAL
+  )
+  INCLUDE(${CMAKE_CURRENT_BINARY_DIR}/_deps/catch2-src/contrib/Catch.cmake)
+  ENABLE_TESTING()
+ENDIF()
+
 OPTION(USE_OPENCV "Add OpenCV support" ON)
 IF(USE_OPENCV)
 
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 9dec7f3..3a0ceb6 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -85,3 +85,7 @@ ENDIF()
 IF(BUILD_TESTS)
   ADD_SUBDIRECTORY(tests)
 ENDIF()
+
+IF(BUILD_TESTS_CATCH2)
+  ADD_SUBDIRECTORY(catch2)
+ENDIF()
diff --git a/lib/catch2/CMakeLists.txt b/lib/catch2/CMakeLists.txt
new file mode 100644
index 0000000..25a3125
--- /dev/null
+++ b/lib/catch2/CMakeLists.txt
@@ -0,0 +1,13 @@
+#
+# CMakeLists for Calyp lis tests using catch2
+#
+
+# ADD_DEFINITIONS(-DCALYP_TEST_DATA_DIR=\"${CALYP_TEST_DATA_DIR}\")
+
+SET(Calyp_Lib_Catch2_Tests_SRCS CalypFrameTests.cpp)
+
+ADD_EXECUTABLE(CalypLibCatch2Tests ${Calyp_Lib_Catch2_Tests_SRCS})
+TARGET_LINK_LIBRARIES(CalypLibCatch2Tests ${PROJECT_LIBRARY} Catch2::Catch2)
+
+INCLUDE(CTest)
+CATCH_DISCOVER_TESTS(CalypLibCatch2Tests)
diff --git a/lib/catch2/CalypFrameTests.cpp b/lib/catch2/CalypFrameTests.cpp
new file mode 100644
index 0000000..a45fe6e
--- /dev/null
+++ b/lib/catch2/CalypFrameTests.cpp
@@ -0,0 +1,61 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2021  by Joao Carreira   (jfmcarreira@gmail.com)
+ *                                Luis Lucas      (luisfrlucas@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     CalypFrameTests.cpp
+ * \brief    CalypFrame general tests
+ */
+
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+
+#include "CalypFrame.h"
+
+TEST_CASE( "create a 256x128 frame with 8 bits in YUV420 format", "CalypFrame" )
+{
+  // Constructor: CalypFrame( unsigned int width, unsigned int height, int pelFormat, unsigned bitsPixel = 8 );
+  CalypFrame testFrame( 256, 128, CLP_YUV420P, 8 );
+
+  REQUIRE( testFrame.getWidth() == 256 );
+  REQUIRE( testFrame.getHeight() == 128 );
+  REQUIRE( testFrame.getPelFormat() == CLP_YUV420P );
+  REQUIRE( testFrame.getBitsPel() == 8 );
+}
+
+TEST_CASE( "create a 256x128 frame with 10 bits in YUV420 format", "CalypFrame" )
+{
+  // Constructor: CalypFrame( unsigned int width, unsigned int height, int pelFormat, unsigned bitsPixel = 8 );
+  CalypFrame testFrame( 256, 128, CLP_YUV420P, 10 );
+
+  REQUIRE( testFrame.getWidth() == 256 );
+  REQUIRE( testFrame.getHeight() == 128 );
+  REQUIRE( testFrame.getPelFormat() == CLP_YUV420P );
+  REQUIRE( testFrame.getBitsPel() == 10 );
+}
+
+TEST_CASE( "create a 256x128 frame with 16 bits in YUV420 format", "CalypFrame" )
+{
+  // Constructor: CalypFrame( unsigned int width, unsigned int height, int pelFormat, unsigned bitsPixel = 8 );
+  CalypFrame testFrame( 256, 128, CLP_YUV420P, 16 );
+
+  REQUIRE( testFrame.getWidth() == 256 );
+  REQUIRE( testFrame.getHeight() == 128 );
+  REQUIRE( testFrame.getPelFormat() == CLP_YUV420P );
+  REQUIRE( testFrame.getBitsPel() == 16 );
+}