diff --git a/test/Makefile b/test/Makefile
index 49420478..48765211 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -4,7 +4,7 @@ PROJECT_DIR := $(realpath $(CUR_DIR)/../)
 # Dependencies: need to be compiled but not to run by any Makefile target
 TEST_DEPS := dev_null
 # Tests: need to be compiled and run by test-% target
-TESTS := empty argv hello_world malloc file getpid spawn pipe time truncate readdir mkdir link tls pthread uname rlimit client server server_epoll unix_socket
+TESTS := empty argv hello_world malloc file getpid spawn pipe time truncate readdir mkdir link tls pthread uname rlimit client server server_epoll unix_socket cout
 # Benchmarks: need to be compiled and run by bench-% target
 BENCHES := spawn_and_exit_latency pipe_throughput unix_socket_throughput
 
diff --git a/test/cout/Makefile b/test/cout/Makefile
new file mode 100644
index 00000000..0f7fea76
--- /dev/null
+++ b/test/cout/Makefile
@@ -0,0 +1,5 @@
+include ../test_common.mk
+
+EXTRA_C_FLAGS := 
+EXTRA_LINK_FLAGS :=
+BIN_ARGS :=
diff --git a/test/cout/main.cc b/test/cout/main.cc
new file mode 100644
index 00000000..cb6ad8a5
--- /dev/null
+++ b/test/cout/main.cc
@@ -0,0 +1,5 @@
+#include <iostream>
+int main(){
+  std::cout<< "hello world" <<std::endl;
+  return 0;
+}
diff --git a/test/test_common.mk b/test/test_common.mk
index b89bb151..5a10084d 100644
--- a/test/test_common.mk
+++ b/test/test_common.mk
@@ -4,9 +4,11 @@ CUR_DIR := $(shell dirname $(realpath $(MAIN_MAKEFILE)))
 PROJECT_DIR := $(realpath $(CUR_DIR)/../../)
 
 CC := /usr/local/occlum/bin/musl-clang
+CXX := /usr/local/occlum/bin/musl-clang++
 C_SRCS := $(wildcard *.c)
-S_FILES := $(C_SRCS:%.c=%.S)
+CXX_SRCS := $(wildcard *.cc)
 C_OBJS := $(C_SRCS:%.c=%.o)
+CXX_OBJS := $(CXX_SRCS:%.cc=%.o)
 FS_PATH := ../fs
 BIN_NAME := $(shell basename $(CUR_DIR))
 BIN_FS_PATH := $(BIN_NAME)
@@ -44,14 +46,18 @@ $(READELF_FILE): $(BIN_NAME)
 	@readelf -a -d $(BIN_NAME) > $(READELF_FILE)
 	@echo "READELF => $@"
 
-$(BIN_NAME): $(C_OBJS)
-	@$(CC) $^ $(LINK_FLAGS) -o $(BIN_NAME)
+$(BIN_NAME): $(C_OBJS) $(CXX_OBJS)
+	@$(CXX) $^ $(LINK_FLAGS) -o $(BIN_NAME)
 	@echo "LINK => $@"
 
 $(C_OBJS): %.o: %.c
 	@$(CC) $(C_FLAGS) -c $< -o $@
 	@echo "CC <= $@"
 
+$(CXX_OBJS): %.o: %.cc
+	@$(CXX) $(C_FLAGS) -c $< -o $@
+	@echo "CXX <= $@"
+
 #############################################################################
 # Test
 #############################################################################