lumiera_documentation/tests/library/iter-stack-test.cpp
Ichthyostega 9c74466778 Tests: build an link a test-support library
This is something I wanted to clean-up since a very long time indeed,
but always postponed it, since it requires a lot of nasty clean-up and disentangling....

Several parts had been stashed away into `src/lib/test`, which are not really related:
 * the testrunner and testsuite builder
 * generic helper utilities
 * specialised test-support facilities, e.g. the EventLog

This changeset introduces a new top-level test folder and a namespace `::test`
Code from this folder is linked into a shared library `libtestsupport.so`,
which resides in the linkage hierarchy between »Vessel« and »Vault«,
yet is no longer part of the Lumiera application and only linked into the test-suite.
2026-03-06 23:16:32 +01:00

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/*
IterStack(Test) - verify stack-like iterator
Copyright (C)
2012, Hermann Vosseler <Ichthyostega@web.de>
  **Lumiera** is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version. See the file COPYING for further details.
* *****************************************************************/
/** @file iter-stack-test.cpp
** unit test \ref IterStack_test
*/
#include "test/run.hpp"
#include "test/test-helper.hpp"
#include "lib/util.hpp"
#include "lib/iter-stack.hpp"
namespace lib {
namespace test{
using ::Test;
using util::isnil;
using LERR_(ITER_EXHAUST);
typedef IterStack<int> IStack;
/*****************************************************************//**
* @test cover behaviour of a convenience class built by using a
* \c std::deque as "state core" of an Lumiera IterStateWrapper.
* - iterable according to the Lumiera Forward Iterator concept
* - can push and pop values repeatedly
* - iterating and push / pop can be mixed
* - empty state detected consistently
*
* @see IterExplorer
* @see IterAdapter
*/
class IterStack_test : public Test
{
virtual void
run (Arg)
{
IStack stack;
CHECK (isnil (stack));
VERIFY_ERROR (ITER_EXHAUST, *stack );
VERIFY_ERROR (ITER_EXHAUST, ++stack );
stack.push (1);
stack.push (3);
stack.push (5);
stack.push (7);
stack.push (9);
CHECK (!isnil (stack));
CHECK (9 == *stack);
++stack;
CHECK (7 == *stack);
CHECK (7 == stack.pop());
CHECK (5 == *stack);
++++stack;
CHECK (1 == *stack);
CHECK (1 == stack.pop());
CHECK (isnil (stack));
VERIFY_ERROR (ITER_EXHAUST, *stack );
VERIFY_ERROR (ITER_EXHAUST, ++stack );
VERIFY_ERROR (ITER_EXHAUST, stack.pop() );
stack.push(23);
CHECK (23 == *stack);
int i = stack.pop();
CHECK (i == 23);
VERIFY_ERROR (ITER_EXHAUST, *stack );
CHECK (isnil (stack));
}
};
LAUNCHER (IterStack_test, "unit common");
}} // namespace lib::test