Allow checking code coverage

docs/libs/Makefile.am

@@ -64,10 +64,10 @@ extra_files =
 # CFLAGS and LDFLAGS for compiling scan program. Only needed if your app/lib
 # contains GtkObjects/GObjects and you want to document signals and properties.
 GTKDOC_CFLAGS = -I$(top_srcdir) $(GST_PBUTILS_CFLAGS) $(GST_BASE_CFLAGS) \
-	$(GST_CFLAGS)  $(GIO_CFLAGS)
+	$(GST_CFLAGS)  $(GIO_CFLAGS) $(GCOV_CFLAGS)
 GTKDOC_LIBS =  \
 	$(top_builddir)/ges/libges-@GST_API_VERSION@.la \
-	$(GST_BASE_LIBS) $(GST_LIBS) $(GIO_LIBS)
+	$(GST_BASE_LIBS) $(GST_LIBS) $(GIO_LIBS) $(GCOV_LIBS)
 
 GTKDOC_CC=$(LIBTOOL) --tag=CC --mode=compile $(CC)
 GTKDOC_LD=$(LIBTOOL) --tag=CC --mode=link $(CC)

ges/Makefile.am

@@ -5,7 +5,7 @@ lib_LTLIBRARIES = libges-@GST_API_VERSION@.la
 
 EXTRA_libges_@GST_API_VERSION@_la_SOURCES = gesmarshal.list
 
-CLEANFILES = $(BUILT_SOURCES) $(built_header_make) $(built_source_make)
+CLEANFILES = $(BUILT_SOURCES) $(built_header_make) $(built_source_make) *.gcno *.gcda *.gcov *.gcov.out
 
 libges_@GST_API_VERSION@_la_SOURCES = 		\
 	$(built_source_make)			\
@@ -200,6 +200,11 @@ typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 CLEANFILES += $(BUILT_GIRSOURCES) $(typelibs_DATA)
 endif
 
+%.c.gcov: .libs/libges_@GST_API_VERSION@_la-%.gcda %.c
+	$(GCOV) -b -f -o $^ > $@.out
+
+gcov: $(libges_@GST_API_VERSION@_la_SOURCES:=.gcov)
+
 Android.mk: Makefile.am $(BUILT_SOURCES)
 	androgenizer -:PROJECT libges -:SHARED libges-@GST_API_VERSION@ \
 	 -:TAGS eng debug \

tests/check/Makefile.am

@@ -8,7 +8,7 @@ plugindir = $(libdir)/gstreamer-@GST_API_VERSION@
 install-pluginLTLIBRARIES:
 
 # the core dumps of some machines have PIDs appended
-CLEANFILES = core.* test-registry.*
+CLEANFILES = core.* test-registry.* *.gcno *.gcda
 
 common_cflags=-I$(top_srcdir) $(GST_PLUGINS_BASE_CFLAGS) $(GST_OBJ_CFLAGS) \
 	$(GST_CHECK_CFLAGS) $(GST_OPTION_CFLAGS) $(GST_CFLAGS)
@@ -54,3 +54,51 @@ EXTRA_DIST = \
 	ges/test-project.xges \
 	ges/audio_only.ogg \
 	ges/audio_video.ogg
+
+COVERAGE_DIRS = \
+	ges
+COVERAGE_FILES = $(foreach dir,$(COVERAGE_DIRS),$(wildcard $(top_builddir)/$(dir)/*.gcov))
+COVERAGE_FILES_REL = $(subst $(top_builddir)/,,$(COVERAGE_FILES))
+COVERAGE_OUT_FILES = $(foreach dir,$(COVERAGE_DIRS),$(wildcard $(top_builddir)/$(dir)/*.gcov.out))
+COVERAGE_OUT_FILES_REL = $(subst $(top_builddir)/,,$(COVERAGE_OUT_FILES))
+
+debug:
+	echo $(COVERAGE_FILES)
+	echo $(COVERAGE_FILES_REL)
+
+.PHONY: coverage
+if GST_GCOV_ENABLED
+# we rebuild a registry and do gst-inspect so that all the get/set codepaths
+# are also covered
+coverage:
+	make check
+	make coverage-report
+else
+coverage:
+	echo "You need to configure with --enable-gcov to get coverage data"
+	exit 1
+endif
+
+coverage-report:
+	if test ! -e coverage; then
+		rm -r coverage
+	fi
+	for dir in $(COVERAGE_DIRS); do 				\
+	  mkdir -p coverage/$$dir; 					\
+	  make -C $(top_builddir)/$$dir gcov;				\
+        done
+	for dir in $(COVERAGE_DIRS); do					\
+	    files="`ls $(top_builddir)/$$dir/*.gcov.out 2> /dev/null`"; \
+          if test ! -z "$$files"; then					\
+	    perl $(top_srcdir)/common/coverage/coverage-report.pl 	\
+	      $(top_builddir)/$$dir/*.gcov.out >			\
+	      coverage/$$dir/index.xml;					\
+	    xsltproc $(top_srcdir)/common/coverage/coverage-report.xsl	\
+	      coverage/$$dir/index.xml > coverage/$$dir/index.html;	\
+	  fi; \
+        done
+	for file in $(COVERAGE_FILES_REL); do				\
+	  echo Generating coverage/$$file.html; 			\
+	  perl $(top_srcdir)/common/coverage/coverage-report-entry.pl   \
+	    $(top_builddir)/$$file > coverage/$$file.html; 		\
+	done