adding more tests for GPS Broadcaster

Author: abhinavGirish

Software/real_time/ROS_RoboBuggy/src/robobuggy/test/gps/GPS_Broadcaster_Test.cpp

@@ -20,6 +20,74 @@ TEST(GPS_Tests, standard_message)
     ASSERT_NEAR(msg->Long_deg, 11.51667, 0.001);
 }
 
+TEST(GPS_Tests,invalid_data_unfixed)
+{
+    GPS_Broadcaster broadcaster;
+    std::string token_string = "$GPGGA,1,4.0,N,011.1,E,0,08,0.9,545.4,M,46.9,M,,*47";
+
+    std::istringstream ss(token_string);
+    std::string tokens[10];
+
+    for (int i = 0; i < 10; i++)
+    {
+    std::getline(ss, tokens[i], ',');
+    }
+
+    robobuggy::GPS* msg = broadcaster.parse_tokens(tokens);
+    ASSERT_TRUE(msg==NULL);
+}
+
+TEST(GPS_Tests,valid_data_unfixed)
+{
+    GPS_Broadcaster broadcaster;
+    std::string token_string = "$GPGGA,123519,4807.038,N,01131.000,E,0,08,0.9,545.4,M,46.9,M,,*47";
+
+    std::istringstream ss(token_string);
+    std::string tokens[10];
+
+    for (int i = 0; i < 10; i++)
+    {
+    std::getline(ss, tokens[i], ',');
+    }
+
+    robobuggy::GPS* msg = broadcaster.parse_tokens(tokens);
+    ASSERT_TRUE(msg==NULL);
+}
+
+TEST(GPS_Tests,non_GGA_format)
+{
+    GPS_Broadcaster broadcaster;
+    std::string token_string = "$GPVTG,123519,4807.038,N,01131.000,E,0,08,0.9,545.4,M,46.9,M,,*47";
+
+    std::istringstream ss(token_string);
+    std::string tokens[10];
+
+    for (int i = 0; i < 10; i++)
+    {
+    std::getline(ss, tokens[i], ',');
+    }
+
+    robobuggy::GPS* msg = broadcaster.parse_tokens(tokens);
+    ASSERT_TRUE(msg==NULL);
+}
+
+TEST(GPS_Tests,missing_field)
+{
+    GPS_Broadcaster broadcaster;
+    std::string token_string = "$GPGGA,123519,4807.038,N,,E,1,08,0.9,545.4,M,46.9,M,,*47";
+
+    std::istringstream ss(token_string);
+    std::string tokens[10];
+
+    for (int i = 0; i < 10; i++)
+    {
+    std::getline(ss, tokens[i], ',');
+    }
+
+    robobuggy::GPS* msg = broadcaster.parse_tokens(tokens);
+    ASSERT_TRUE(msg==NULL);
+}
+
 TEST(GPS_Tests, not_fixed)
 {
     GPS_Broadcaster broadcaster;