From 6ed6374608aaf097f0ab951edf35924a47070612 Mon Sep 17 00:00:00 2001
From: emye <emye@umich.edu>
Date: Wed, 11 Dec 2019 02:17:40 -0500
Subject: [PATCH] Test coverage (#1073)

* Compiles and runs

* Created gcovr reports in separate directory

* Improved style and degree of coverage

* Added error check for existence of gcovr

* CI test fixes
---
 CMakeLists.txt    |  2 ++
 cmake/gcovr.cmake | 15 +++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 cmake/gcovr.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45368440a6..76b0a39792 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,8 @@ project(exiv2
 include(cmake/mainSetup.cmake  REQUIRED)
 include(CTest)
 
+include(cmake/gcovr.cmake REQUIRED)
+
 # options and their default values
 option( BUILD_SHARED_LIBS             "Build exiv2lib as a shared library"                    ON  )
 option( EXIV2_ENABLE_XMP              "Build with XMP metadata support"                       ON  )
diff --git a/cmake/gcovr.cmake b/cmake/gcovr.cmake
new file mode 100644
index 0000000000..3c1e4067f3
--- /dev/null
+++ b/cmake/gcovr.cmake
@@ -0,0 +1,15 @@
+if(BUILD_WITH_COVERAGE)
+
+    find_program (GCOVR gcovr)
+
+    if(GCOVR)
+        file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/coverage_output )
+        add_custom_command(OUTPUT _run_gcovr_parser
+            POST_BUILD
+            COMMAND ${GCOVR} --root ${CMAKE_SOURCE_DIR} --object-dir=${CMAKE_BINARY_DIR} --html --html-details -o coverage_output/coverage.html
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        )
+        add_custom_target (coverage DEPENDS _run_gcovr_parser)
+    endif()
+             
+endif(BUILD_WITH_COVERAGE)