tests: Added a torture_sftp_static test.

tests/client/CMakeLists.txt

@@ -4,3 +4,6 @@ add_cmockery_test(torture_algorithms torture_algorithms.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_auth torture_auth.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_knownhosts torture_knownhosts.c ${TORTURE_LIBRARY})
 add_cmockery_test(torture_proxycommand torture_proxycommand.c ${TORTURE_LIBRARY})
+if (WITH_SFTP)
+    add_cmockery_test(torture_sftp_static torture_sftp_static.c ${TORTURE_LIBRARY})
+endif (WITH_SFTP)

tests/client/torture_sftp_static.c

@@ -0,0 +1,26 @@
+#define LIBSSH_STATIC
+
+#include "torture.h"
+#include "sftp.c"
+
+static void torture_sftp_ext_new(void **state) {
+    sftp_ext x;
+
+    (void) state;
+
+    x = sftp_ext_new();
+    assert_false(x == NULL);
+    assert_int_equal(x->count, 0);
+    assert_true(x->name == NULL);
+    assert_true(x->data == NULL);
+
+    sftp_ext_free(x);
+}
+
+int torture_run_tests(void) {
+    const UnitTest tests[] = {
+        unit_test(torture_sftp_ext_new),
+    };
+
+    return run_tests(tests);
+}