Add coverage to the unit test framework.

Author: daniel-kristjansson

mythtv/libs/libmythbase/test/test_mythtimer/test_mythtimer.pro

@@ -6,6 +6,11 @@ TARGET = test_mythtimer
 DEPENDPATH += . ../..
 INCLUDEPATH += . ../..
 
+eval(QMAKE_CXX = g++) {
+  QMAKE_CXXFLAGS += -O0 -fprofile-arcs -ftest-coverage 
+  QMAKE_LFLAGS += -fprofile-arcs 
+}
+
 # Input
 HEADERS += test_mythtimer.h
 SOURCES += test_mythtimer.cpp
@@ -14,3 +19,4 @@ HEADERS += mythtimer.h
 SOURCES += mythtimer.cpp
 
 QMAKE_CLEAN += $(TARGET) $(TARGETA) $(TARGETD) $(TARGET0) $(TARGET1) $(TARGET2)
+QMAKE_CLEAN += ; rm -f *.gcov *.gcda *.gcno

mythtv/programs/scripts/unittests.sh

@@ -5,18 +5,28 @@
 DIRNAME=`which dirname`
 BASENAME=`which basename`
 SED=`which sed`
+GCOV=`which gcov`
+GREP=`which grep`
 TEST_FAILED=0
 
 
 TESTS=`find -name "test_*.pro"`
 
 for TEST in $TESTS
 do
-    PATH=`$DIRNAME $TEST`
+    FPATH=`$DIRNAME $TEST`
     EXEC=`$BASENAME $TEST | $SED -e 's/.pro//'`
-    RUNNABLE=$PATH/$EXEC
+    COV=`$BASENAME $TEST | $SED -e 's/test_//' | $SED -e 's/.pro/.cpp/'`
+    COVGCNO=`$BASENAME $TEST | $SED -e 's/test_//' | $SED -e 's/.pro/.gcno/'`
+    RUNNABLE=$FPATH/$EXEC
     if test -x $RUNNABLE -a -f $RUNNABLE ; then
         if ./$RUNNABLE ; then
+            if test -x $GCOV -a -f $FPATH/$COVGCNO ; then
+                P=`pwd` ; cd $FPATH # pushd==
+                LINES=`$GCOV $COV | $GREP Lines | $SED -e 's/Lines//'`
+                echo Coverage: $COV $LINES. See $FPATH/$COV.gcov for details
+                cd $P # popd==
+            fi
             echo
         else
             echo "error: A unit test failed."