| zt_visitor(3) | Library Functions Manual (prm) | zt_visitor(3) |
zt_visitor,
zt_visitor_vtab — interface
for discovering test suites and test cases
#include
<zt.h>
typedef struct zt_visitor { ... } zt_visitor;
| Type | Entry | Description |
| void * | id | Object implementing the interface |
| struct zt_visitor_vtab * | vtab | Table of interface functions |
zt_visitor is an interface for exploring
test suites and test cases. The visitor type is used as an argument to all
test suites. Test suites can enumerate test cases and other test suites. It
is a part of the implementation and is not expected to be implemented by
library users.
zt_visitor_vtab is an opaque type
comprised of functions that define the interface. The interface is only used
internally so the implementation is private.
Interface values combine an object pointer with a function table pointer and are passed by value.
An interface can use the NULL pointer as an object pointer if there is no need to refer to any data specific to an instance. The function table pointer cannot be null as it defines the unique aspect of the implementation.
zt_visitor first appeared in libzt 0.1
Zygmunt Krynicki <me@zygoon.pl>
| January 12, 2020 | libzt 0.3.1 |