travis: Run CPP tests

.travis.yml

@@ -20,6 +20,8 @@ env:
     - TASK=java_test
     # cmake test
     - TASK=cmake_test
+    # c++ test
+    - TASK=cpp_test
 
 matrix:
   exclude:
@@ -33,6 +35,8 @@ matrix:
       env: TASK=java_test
     - os: osx
       env: TASK=python_lightweight_test
+    - os: osx
+      env: TASK=cpp_test
 
 # dependent apt packages
 addons:

make/travis.mk

@@ -25,6 +25,10 @@ LIB_RABIT = librabit.a
 # path to libjvm.so
 LIBJVM=$(JAVA_HOME)/jre/lib/amd64/server
 
+# path to googletest and whether to measure coverage or not
+GTEST_PATH =
+WITH_COVER = 1
+
 # List of additional plugins, checkout plugin folder.
 # uncomment the following lines to include these plugins
 # you can also add your own plugin like this

tests/travis/run_test.sh

@@ -88,3 +88,11 @@ if [ ${TASK} == "cmake_test" ]; then
     cmake ..
     make
 fi
+
+if [ ${TASK} == "cpp_test" ]; then
+    set -e
+    make -f dmlc-core/scripts/packages.mk gtest
+    echo "TEST_COVER=1" >> config.mk
+    echo "GTEST_PATH="${CACHE_PREFIX} >> config.mk
+    make check
+fi