diff --git a/.travis.osx.yml b/.travis.osx.yml
index c3f1a2191c..c2d44afaaa 100644
--- a/.travis.osx.yml
+++ b/.travis.osx.yml
@@ -1,48 +1,59 @@
 language: objective-c
-
 env:
+  global:
+  - secure: "W8vou0KRJOOboZXP9q+D/9Wl6LlBeVS2T85MHWPz7EwCMQbJq5xWnGzYLE6FmC0iILcZkXyP63vqoYMFo5MJaEQeALGx2RuIiW7XgrD+7Bn4Vfsp6BLT7K9/AJETGGTQnLs8oZJJCXHGtzbc8EPFIZd/ZPPrve4jhEE5ZNhXnRc="
   matrix:
-   - CMAKE_CXX_COMPILER=g++
-     CMAKE_BUILD_TYPE=DEBUG
-     USE_TCMALLOC=TRUE
-   - CMAKE_CXX_COMPILER=g++
-     CMAKE_BUILD_TYPE=DEBUG
-     USE_TCMALLOC=FALSE
-   - CMAKE_CXX_COMPILER=g++
-     CMAKE_BUILD_TYPE=RELEASE
-     USE_TCMALLOC=TRUE
-   - CMAKE_CXX_COMPILER=g++
-     CMAKE_BUILD_TYPE=RELEASE
-     USE_TCMALLOC=FALSE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=DEBUG USE_TCMALLOC=FALSE LCOV=TRUE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=DEBUG USE_TCMALLOC=FALSE DOXYGEN=TRUE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=DEBUG USE_TCMALLOC=TRUE NORMAL=TRUE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=DEBUG USE_TCMALLOC=FALSE NORMAL=TRUE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=RELEASE USE_TCMALLOC=TRUE NORMAL=TRUE
+  - CMAKE_CXX_COMPILER=g++ CMAKE_BUILD_TYPE=RELEASE USE_TCMALLOC=FALSE NORMAL=TRUE
 
 before_script:
-  - mkdir -p build
-  - cd build
-  - CPLUS_INCLUDE_PATH=/usr/local/include/c++/4.8.1/:/usr/local/include/c++/4.8.1/x86_64-apple-darwin12.4.0:/usr/local/include/c++/4.8.1/bits/
-  - export CPLUS_INCLUDE_PATH
-  - LIBRARY_PATH=/usr/local/lib
-  - export LIBRARY_PATH
-  - cmake -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_COMPILER=/usr/local/bin/${CMAKE_CXX_COMPILER} ../src -G Ninja
+- mkdir -p build
+- cd build
+- CPLUS_INCLUDE_PATH=/usr/local/include/c++/4.8.1/:/usr/local/include/c++/4.8.1/x86_64-apple-darwin12.4.0:/usr/local/include/c++/4.8.1/bits/
+- export CPLUS_INCLUDE_PATH
+- LIBRARY_PATH=/usr/local/lib
+- export LIBRARY_PATH
+- cmake -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_COMPILER=/usr/local/bin/${CMAKE_CXX_COMPILER} ../src -G Ninja
+- cd ..
 
 script:
-  - ninja && yes "C" | ctest -T test -VV
+- if [[ $NORMAL == TRUE ]]; then
+      cd build;
+      ninja && yes "C" | ctest -T test -VV;
+      cd ..;
+  fi
+- if [[ $DOXYGEN == TRUE ]]; then
+      brew install doxygen;
+      script/doxygen.sh;
+      brew install python;
+      pip install dropbox;
+      script/dropbox_upload.py doc /Public/doc ${DROPBOX_KEY};
+  fi
+- if [[ $LCOV == TRUE ]]; then
+      brew install lcov;
+      script/lcov.sh;
+      brew install python;
+      pip install dropbox;
+      script/dropbox_upload.py build/testcov/lcov /Public/lcov ${DROPBOX_KEY};
+  fi
 
 install:
-  - if [[ $CMAKE_CXX_COMPILER == g++ ]]; then
+- if [[ $CMAKE_CXX_COMPILER == g++ ]]; then
       cd /;
       wget http://prdownloads.sourceforge.net/hpc/gcc-mlion.tar.gz?download -O /tmp/gcc-mlion.tar.gz;
-      sudo tar xvfz /tmp/gcc-mlion.tar.gz;
-      cd -;
-    fi
-  - sudo chown -R `whoami` /usr/local
-  - brew install cmake ninja
-  - brew install gmp
-  - brew link --overwrite gmp
-  - brew install mpfr
-  - brew link --overwrite mpfr
-  - if [[ $USE_TCMALLOC == TRUE ]]; then
-      brew install google-perftools;
-    fi
+      sudo tar xvfz /tmp/gcc-mlion.tar.gz; cd -;
+  fi
+- sudo chown -R `whoami` /usr/local
+- brew install cmake ninja
+- brew install gmp
+- brew link --overwrite gmp
+- brew install mpfr
+- brew link --overwrite mpfr
+- if [[ $USE_TCMALLOC == TRUE ]]; then brew install google-perftools; fi
 
 notifications:
   email:
diff --git a/script/doxygen.sh b/script/doxygen.sh
new file mode 100755
index 0000000000..250d6c139f
--- /dev/null
+++ b/script/doxygen.sh
@@ -0,0 +1 @@
+ doxygen src/Doxyfile
diff --git a/script/dropbox_upload.py b/script/dropbox_upload.py
new file mode 100755
index 0000000000..8116fa31a9
--- /dev/null
+++ b/script/dropbox_upload.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+import dropbox
+import os
+import sys
+
+# Paths
+local_path = sys.argv[1]
+server_path = sys.argv[2]
+
+# AUTH INFO
+access_token = sys.argv[3]
+
+# Connect DROPBOX
+client = dropbox.client.DropboxClient(access_token)
+print(client.account_info())
+
+count = 0
+def copy_file_with_retry(fullpath, targetpath, max_try):
+    global count
+    print("==> " + targetpath)
+    try:
+        handle = open(fullpath)
+        response = client.put_file(targetpath, handle)
+    except:
+        handle.close()
+        print("FAILED: " + targetpath)
+        if count < max_try:
+            count = count + 1
+            copy_file_with_retry(fullpath, targetpath, max_try)
+        else:
+            raise
+    count = 0
+    handle.close()
+
+def upload_dir_to_dropbox(localDir, serverDir):
+    localDir = os.path.expanduser(localDir)
+    for dirName, subdirList, fileList in os.walk(localDir):
+        for fname in fileList:
+            fullpath = os.path.normpath(dirName + "/" + fname)
+            targetpath = os.path.normpath(serverDir + "/" + fullpath[len(localDir):])
+            copy_file_with_retry(fullpath, targetpath, 5)
+
+def remove_dir_from_dropbox(serverDir):
+    try:
+        client.file_delete(serverDir)
+    except dropbox.rest.ErrorResponse:
+        print (serverDir + " not exists")
+
+print ("Copy: " + local_path + " ==> " + server_path)
+remove_dir_from_dropbox(server_path)
+upload_dir_to_dropbox(local_path, server_path)
diff --git a/script/lcov.sh b/script/lcov.sh
new file mode 100755
index 0000000000..3100d736ae
--- /dev/null
+++ b/script/lcov.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+CXX=g++
+GCOV_TOOL=gcov
+
+rm -rf build
+mkdir -p build/testcov
+cd build/testcov
+cmake -DCMAKE_BUILD_TYPE=TESTCOV -DCMAKE_CXX_COMPILER=$CXX -G Ninja ../../src
+ninja
+ctest
+lcov -c -b ../../src -d . -o cov.info --no-external --gcov-tool $GCOV_TOOL
+lcov --remove cov.info "tests/*" -o cov.info
+genhtml cov.info --output-directory lcov
+cd ../../
diff --git a/script/update_doxygen.sh b/script/update_doxygen.sh
deleted file mode 100755
index c1aeebc8d5..0000000000
--- a/script/update_doxygen.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env bash
-#
-# update_doxygen.sh:
-#       1) Install and run doxygen
-#       2) Push the result to gh-pages branch
-#
-# author: Soonho Kong
-#
-if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then
-    echo -e "Starting to generate doxygen pages"
-    sudo apt-get -qq install doxygen graphviz;
-    doxygen src/Doxyfile;
-    COMMIT_LOG=`git log --oneline -n 1`;
-    mv doc $HOME
-    echo -e "Done.\n"
-
-    echo -e "Starting to update gh-pages\n"
-    #go to home and setup git
-    cd $HOME
-    git config --global user.email "travis@travis-ci.org"
-    git config --global user.name "Travis"
-
-    #using token clone gh-pages branch
-    git clone --quiet --branch=gh-pages https://${GH_TOKEN}@github.com/leodemoura/lean.git  gh-pages > /dev/null
-    #go into diractory and copy data we're interested in to that directory
-    cd gh-pages
-    mv -Rf $HOME/doc .
-    #add, commit and push files
-    git add -A doc
-    git commit -m "Push doxygen for the commit -- $COMMIT_LOG -- to gh-pages"
-    git push -fq origin gh-pages > /dev/null
-    echo -e "Done.\n"
-fi