Connect: Test the new isipaddr() function

tests/unittests/CMakeLists.txt

@@ -6,6 +6,7 @@ add_cmockery_test(torture_init torture_init.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_list torture_list.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_misc torture_misc.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_options torture_options.c ${TORTURE_LIBRARY})
+add_cmockery_test(torture_isipaddr torture_isipaddr.c ${TORTURE_LIBRARY})
 if (UNIX AND NOT WIN32)
     # requires ssh-keygen
     add_cmockery_test(torture_keyfiles torture_keyfiles.c ${TORTURE_LIBRARY})

tests/unittests/torture_isipaddr.c

@@ -0,0 +1,39 @@
+#define LIBSSH_STATIC
+
+#include "torture.h"
+
+#include "connect.c"
+
+/*
+ * Test the behavior of isipaddr()
+ */
+static void torture_isipaddr(void **state) {
+  (void)state;
+  assert_int_equal(isipaddr("127.0.0.1"),1);
+  assert_int_equal(isipaddr("0.0.0.0"),1);
+  assert_int_equal(isipaddr("1.1.1.1"),1);
+  assert_int_equal(isipaddr("255.255.255.255"),1);
+  assert_int_equal(isipaddr("128.128.128.128"),1);
+  assert_int_equal(isipaddr("1.10.100.1"),1);
+  assert_int_equal(isipaddr("0.1.10.100"),1);
+
+  assert_int_equal(isipaddr("0.0.0.0.0"),0);
+  assert_int_equal(isipaddr("0.0.0.0.a"),0);
+  assert_int_equal(isipaddr("a.0.0.0"),0);
+  assert_int_equal(isipaddr("0a.0.0.0.0"),0);
+  assert_int_equal(isipaddr(""),0);
+  assert_int_equal(isipaddr("0.0.0."),0);
+  assert_int_equal(isipaddr("0.0.0"),0);
+}
+
+int torture_run_tests(void) {
+    int rc;
+    const UnitTest tests[] = {
+        unit_test(torture_isipaddr)
+    };
+
+    ssh_init();
+    rc=run_tests(tests);
+    ssh_finalize();
+    return rc;
+}