diff --git a/src/core/ddsc/tests/CMakeLists.txt b/src/core/ddsc/tests/CMakeLists.txt
index bde5eae..eb372bb 100644
--- a/src/core/ddsc/tests/CMakeLists.txt
+++ b/src/core/ddsc/tests/CMakeLists.txt
@@ -58,7 +58,8 @@ set(ddsc_test_sources
     "write.c"
     "write_various_types.c"
     "writer.c"
-    "test_common.c"
+    "test_util.c"
+    "test_util.h"
     "test_common.h"
     "test_oneliner.c"
     "test_oneliner.h")
@@ -92,3 +93,16 @@ set_tests_properties(
 		ENVIRONMENT "${CUnit_ddsc_config_simple_udp_env}")
 
 configure_file("config_env.h.in" "config_env.h" @ONLY)
+
+add_executable(oneliner
+  "oneliner.c"
+  "test_oneliner.c"
+  "test_oneliner.h"
+  "test_util.c"
+  "test_util.h")
+target_include_directories(
+  oneliner PRIVATE
+  "$<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/src/include/>"
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../../ddsc/src>"
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../../ddsi/include>")
+target_link_libraries(oneliner PRIVATE RoundTrip Space ddsc)
diff --git a/src/core/ddsc/tests/oneliner.c b/src/core/ddsc/tests/oneliner.c
new file mode 100644
index 0000000..d6e32a9
--- /dev/null
+++ b/src/core/ddsc/tests/oneliner.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright(c) 2020 ADLINK Technology Limited and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
+ * v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "test_oneliner.h"
+
+int main (int argc, char **argv)
+{
+  for (int i = 1; i < argc; i++)
+  {
+    if (test_oneliner (argv[i]) <= 0)
+      return 1;
+  }
+  return 0;
+}
diff --git a/src/core/ddsc/tests/test_common.h b/src/core/ddsc/tests/test_common.h
index 6672d93..824263d 100644
--- a/src/core/ddsc/tests/test_common.h
+++ b/src/core/ddsc/tests/test_common.h
@@ -18,10 +18,9 @@
 #include "CUnit/Test.h"
 #include "CUnit/Theory.h"
 
+#include "test_util.h"
+
 #include "Space.h"
 #include "RoundTrip.h"
 
-/* Get unique g_topic name on each invocation. */
-char *create_unique_topic_name (const char *prefix, char *name, size_t size);
-
 #endif /* _TEST_COMMON_H_ */
diff --git a/src/core/ddsc/tests/test_oneliner.c b/src/core/ddsc/tests/test_oneliner.c
index 83684b5..8c19b65 100644
--- a/src/core/ddsc/tests/test_oneliner.c
+++ b/src/core/ddsc/tests/test_oneliner.c
@@ -13,6 +13,7 @@
 #include <ctype.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <string.h>
 #include <setjmp.h>
 
 #include "dds/dds.h"
@@ -31,9 +32,12 @@
 #include "dds/ddsi/q_xevent.h"
 #include "dds/ddsi/ddsi_entity_index.h"
 
-#include "test_common.h"
+#include "test_util.h"
 #include "test_oneliner.h"
 
+#include "Space.h"
+#include "RoundTrip.h"
+
 #define MAXDOMS (sizeof (((struct oneliner_ctx){.result=0}).doms) / sizeof (((struct oneliner_ctx){.result=0}).doms[0]))
 
 static const char knownentities[] = "PRWrstwxy";
diff --git a/src/core/ddsc/tests/test_common.c b/src/core/ddsc/tests/test_util.c
similarity index 97%
rename from src/core/ddsc/tests/test_common.c
rename to src/core/ddsc/tests/test_util.c
index 531322b..7a5f5c0 100644
--- a/src/core/ddsc/tests/test_common.c
+++ b/src/core/ddsc/tests/test_util.c
@@ -13,7 +13,7 @@
 #include "dds/ddsrt/atomics.h"
 #include "dds/ddsrt/process.h"
 #include "dds/ddsrt/threads.h"
-#include "test_common.h"
+#include "test_util.h"
 
 char *create_unique_topic_name (const char *prefix, char *name, size_t size)
 {
diff --git a/src/core/ddsc/tests/test_util.h b/src/core/ddsc/tests/test_util.h
new file mode 100644
index 0000000..639a72a
--- /dev/null
+++ b/src/core/ddsc/tests/test_util.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright(c) 2020 ADLINK Technology Limited and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
+ * v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+#ifndef _TEST_UTIL_H_
+#define _TEST_UTIL_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+/* Get unique g_topic name on each invocation. */
+char *create_unique_topic_name (const char *prefix, char *name, size_t size);
+
+#endif /* _TEST_UTIL_H_ */