Fix netsocket tests for IAR

Teppo Järvelin · Teppo Järvelin · commit 65bf17eff53c · 2019-08-15T15:26:36.000+03:00
Test case printed IP address. If ip address is null, IAR compiled binary fails.
Added check for printing null. If IP address is null, then it prints string 'null'.
diff --git a/TESTS/netsocket/tcp/main.cpp b/TESTS/netsocket/tcp/main.cpp
@@ -72,7 +72,7 @@ static void _ifup()
     NetworkInterface *net = NetworkInterface::get_default_instance();
     nsapi_error_t err = net->connect();
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);
-    printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address());
+    printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");
 }
 
 static void _ifdown()
diff --git a/TESTS/netsocket/tls/main.cpp b/TESTS/netsocket/tls/main.cpp
@@ -94,7 +94,7 @@ static void _ifup()
     NetworkInterface *net = NetworkInterface::get_default_instance();
     nsapi_error_t err = net->connect();
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);
-    printf("MBED: TLSClient IP address is '%s'\n", net->get_ip_address());
+    printf("MBED: TLSClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");
 }
 
 static void _ifdown()
diff --git a/TESTS/netsocket/udp/main.cpp b/TESTS/netsocket/udp/main.cpp
@@ -59,7 +59,7 @@ static void _ifup()
     NetworkInterface *net = NetworkInterface::get_default_instance();
     nsapi_error_t err = net->connect();
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);
-    printf("MBED: UDPClient IP address is '%s'\n", net->get_ip_address());
+    printf("MBED: UDPClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");
 }
 
 static void _ifdown()

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,7 @@ static void _ifup()`
`72`	`72`	`NetworkInterface *net = NetworkInterface::get_default_instance();`
`73`	`73`	`nsapi_error_t err = net->connect();`
`74`	`74`	`TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);`
`75`		`- printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address());`
	`75`	`+ printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");`
`76`	`76`	`}`
`77`	`77`
`78`	`78`	`static void _ifdown()`
Original file line number	Diff line number	Diff line change
`@@ -94,7 +94,7 @@ static void _ifup()`
`94`	`94`	`NetworkInterface *net = NetworkInterface::get_default_instance();`
`95`	`95`	`nsapi_error_t err = net->connect();`
`96`	`96`	`TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);`
`97`		`- printf("MBED: TLSClient IP address is '%s'\n", net->get_ip_address());`
	`97`	`+ printf("MBED: TLSClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");`
`98`	`98`	`}`
`99`	`99`
`100`	`100`	`static void _ifdown()`
Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,7 @@ static void _ifup()`
`59`	`59`	`NetworkInterface *net = NetworkInterface::get_default_instance();`
`60`	`60`	`nsapi_error_t err = net->connect();`
`61`	`61`	`TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, err);`
`62`		`- printf("MBED: UDPClient IP address is '%s'\n", net->get_ip_address());`
	`62`	`+ printf("MBED: UDPClient IP address is '%s'\n", net->get_ip_address() ? net->get_ip_address() : "null");`
`63`	`63`	`}`
`64`	`64`
`65`	`65`	`static void _ifdown()`