Adds code coverage to automatic CI

CMakeLists.txt

@@ -175,6 +175,8 @@ else( WIN32 ) # Apple AND Linux
         endif()
     endif()
 
+    set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
+
     # based on http://www.delorie.com/gnu/docs/gdb/gdb_70.html
     # uncomment this line to tell GDB about macros (slows compile times)
     # set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -gdwarf-2 -g3" )

Dockerfile

@@ -21,6 +21,7 @@ RUN \
         pbzip2 \
         python3 \
         python3-dev \
+        lcov \
     && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
@@ -45,6 +46,30 @@ RUN \
     programs/build_helpers/check_reflect.py && \
     rm -rf /usr/local/src/steem/build
 
+RUN \
+    cd /usr/local/src/steem && \
+    git submodule update --init --recursive && \
+    mkdir build && \
+    cd build && \
+    cmake \
+        -DCMAKE_BUILD_TYPE=Debug \
+        -DENABLE_COVERAGE_TESTING=ON \
+        -DBUILD_STEEM_TESTNET=ON \
+        -DLOW_MEMORY_NODE=OFF \
+        -DCLEAR_VOTES=ON \
+        .. && \
+    make -j$(nproc) chain_test && \
+    cd .. && \
+    lcov --capture --initial --directory . --output-file build/base.info --no-external && \
+    ./build/tests/chain_test && \
+    lcov --capture --directory . --output-file build/test.info --no-external && \
+    lcov --add-tracefile build/base.info --add-tracefile build/test.info --output-file build/total.info && \
+    lcov -o build/interesting.info -r build/total.info tests/\* &&\
+    mkdir -p /var/jenkins_home/lcov && \
+    genhtml build/interesting.info --output-directory /var/jenkins_home/lcov && \
+    cd /usr/local/src/steem && \
+    rm -rf /usr/local/src/steem/build
+
 RUN \
     cd /usr/local/src/steem && \
     git submodule update --init --recursive && \
@@ -114,6 +139,7 @@ RUN \
         python-dev \
         python2.7-dev \
         python3-dev \
+        lcov \
     && \
     apt-get autoremove -y && \
     rm -rf \

tests/tests/operation_time_tests.cpp

@@ -2426,6 +2426,8 @@ BOOST_AUTO_TEST_CASE( comment_freeze )
    FC_LOG_AND_RETHROW()
 }
 
+// This test is too intensive without optimizations. Disable it when we build in debug
+#ifndef DEBUG
 BOOST_AUTO_TEST_CASE( sbd_stability )
 {
    try
@@ -2568,6 +2570,7 @@ BOOST_AUTO_TEST_CASE( sbd_stability )
    }
    FC_LOG_AND_RETHROW()
 }
+#endif
 
 BOOST_AUTO_TEST_CASE( sbd_price_feed_limit )
 {