Add example of gnss-sim usage

src/tests/CMakeLists.txt

@@ -35,15 +35,18 @@ if(GTEST_INCLUDE_DIRS)
     set(GTEST_DIR_LOCAL true)
 endif(GTEST_INCLUDE_DIRS)
 
+set(GTEST_COMPILER -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER})
+set(TOOLCHAIN_ARG "")
+
 if(NOT ${GTEST_DIR_LOCAL})
      # if GTEST_DIR is not defined, we download and build it
      set(gtest_RELEASE 1.8.0)
-     set(TOOLCHAIN_ARG "")
+
-     set(GTEST_COMPILER -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}) 
      if(EXISTS $ENV{OECORE_TARGET_SYSROOT})
          set(GTEST_COMPILER "")
          set(TOOLCHAIN_ARG -DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/Toolchains/oe-sdk_cross.cmake)
      endif(EXISTS $ENV{OECORE_TARGET_SYSROOT})
+
      ExternalProject_Add(
          gtest-${gtest_RELEASE}
          GIT_REPOSITORY https://github.com/google/googletest
@@ -130,6 +133,26 @@ if (ENABLE_CUDA)
 	add_definitions(-DCUDA_BLOCKS_TEST=1)
 endif(ENABLE_CUDA)
 
+################################################################################
+# Optional generator
+################################################################################
+if(ENABLE_SW_GENERATOR)
+   ExternalProject_Add(
+      gnss-sim
+      GIT_REPOSITORY https://bitbucket.org/jarribas/gnss-simulator
+      GIT_TAG master
+      SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../thirdparty/gnss-sim
+      BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/../../gnss-sim
+      CMAKE_ARGS ${GTEST_COMPILER} ${TOOLCHAIN_ARG}
+      UPDATE_COMMAND ""
+      PATCH_COMMAND ""
+      INSTALL_COMMAND ""
+   )
+   set(SW_GENERATOR_BIN ${CMAKE_CURRENT_BINARY_DIR}/../../gnss-sim/gnss_sim)
+   add_definitions(-DSW_GENERATOR_BIN="${SW_GENERATOR_BIN}")
+   add_definitions(-DDEFAULT_RINEX_NAV="${CMAKE_CURRENT_BINARY_DIR}/../../../thirdparty/gnss-sim/brdc3540.14n")
+endif(ENABLE_SW_GENERATOR)
+
 add_definitions(-DTEST_PATH="${CMAKE_SOURCE_DIR}/src/tests/")
 
 include_directories(
@@ -429,4 +452,17 @@ if(ENABLE_SYSTEM_TESTING)
         COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:ttff>
         ${CMAKE_SOURCE_DIR}/install/$<TARGET_FILE_NAME:ttff>
     )
+
+    add_executable(trk_system_test
+    ${CMAKE_CURRENT_SOURCE_DIR}/system-tests/trk_system_test.cc )
+    if(NOT ${GTEST_DIR_LOCAL})
+        add_dependencies(trk_system_test gtest-${gtest_RELEASE})
+    else(NOT ${GTEST_DIR_LOCAL})
+        add_dependencies(trk_system_test gtest)
+    endif(NOT ${GTEST_DIR_LOCAL})
+    add_custom_command(TARGET trk_system_test POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:trk_system_test>
+        ${CMAKE_SOURCE_DIR}/install/$<TARGET_FILE_NAME:trk_system_test>
+    )
+
 endif(ENABLE_SYSTEM_TESTING)

src/tests/system-tests/trk_system_test.cc

@@ -0,0 +1,37 @@
+
+#include <iostream>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <exception>
+//#include <gflags/gflags.h>
+//#include <glog/logging.h>
+//include <gtest/gtest.h>
+
+
+
+int main()
+{
+    pid_t wait_result;
+    int child_status;
+
+    // Configure signal
+    std::string str = std::string(SW_GENERATOR_BIN);
+    std::string p1 = std::string("-rinex_nav_file=") + std::string(DEFAULT_RINEX_NAV);
+    std::string p2 = std::string("-static_position=30.286502,120.032669,100,40");
+
+    char *const parmList[] = { &str[0], &str[0], &p1[0], &p2[0], NULL };
+    int pid;
+    if ((pid = fork()) == -1)
+        perror("fork error");
+    else if (pid == 0)
+    {
+        execv(&str[0], parmList);
+        std::cout << "Return not expected. Must be an execv error." << std::endl;
+        std::terminate();
+    }
+
+    wait_result = waitpid(pid, &child_status, 0);
+    std::cout << "Signal and Observables RINEX files created."  << std::endl;
+
+    return 0;
+}