Files
rippled/src/test/core/Stoppable_test.cpp
2021-01-08 14:43:06 -05:00

540 lines
12 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <ripple/beast/unit_test.h>
#include <ripple/core/Stoppable.h>
#include <test/unit_test/SuiteJournal.h>
#include <thread>
namespace ripple {
namespace test {
class Stoppable_test : public beast::unit_test::suite
{
/*
R
/ | \
/ | \
A B C
/ | \ /\ |
D E F G H I
|
J
*/
unsigned count = 0;
class D : public Stoppable
{
Stoppable_test& test_;
public:
D(Stoppable& parent, Stoppable_test& test)
: Stoppable("D", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 9, "D::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 0, "D::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 11, "D::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 2, "D::onChildrenStopped called out of order");
}
};
class J : public Stoppable
{
Stoppable_test& test_;
public:
J(Stoppable& parent, Stoppable_test& test)
: Stoppable("J", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 7, "J::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 1, "J::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 10, "J::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 4, "J::onChildrenStopped called out of order");
}
};
class E : public Stoppable
{
J j_;
Stoppable_test& test_;
public:
E(Stoppable& parent, Stoppable_test& test)
: Stoppable("E", parent), j_(*this, test), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 8, "E::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 2, "E::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 9, "E::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 3, "E::onChildrenStopped called out of order");
}
};
class F : public Stoppable
{
Stoppable_test& test_;
public:
F(Stoppable& parent, Stoppable_test& test)
: Stoppable("F", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 6, "F::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 3, "F::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 8, "F::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 5, "F::onChildrenStopped called out of order");
}
};
class A : public Stoppable
{
enum { running, please_stop, stopping, stopped };
D d_;
E e_;
F f_;
Stoppable_test& test_;
std::atomic<int> stop_;
public:
A(Stoppable& parent, Stoppable_test& test)
: Stoppable("A", parent)
, d_(*this, test)
, e_(*this, test)
, f_(*this, test)
, test_(test)
, stop_(running)
{
}
~A() override
{
while (stop_ != stopped)
;
}
void
run()
{
while (stop_ == running)
;
stop_ = stopping;
}
void
onPrepare() override
{
test_.expect(
++test_.count == 10, "A::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 4, "A::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 7, "A::onStop called out of order");
}
void
onChildrenStopped() override
{
stop_ = please_stop;
while (stop_ != stopping)
;
Stoppable::stopped();
test_.expect(
--test_.count == 1, "A::onChildrenStopped called out of order");
stop_ = stopped;
}
};
class G : public Stoppable
{
Stoppable_test& test_;
public:
G(Stoppable& parent, Stoppable_test& test)
: Stoppable("G", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 4, "G::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 5, "G::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 6, "G::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 7, "G::onChildrenStopped called out of order");
}
};
class H : public Stoppable
{
Stoppable_test& test_;
public:
H(Stoppable& parent, Stoppable_test& test)
: Stoppable("H", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 3, "H::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 6, "H::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 5, "H::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 8, "H::onChildrenStopped called out of order");
}
};
class B : public Stoppable
{
G g_;
H h_;
Stoppable_test& test_;
public:
B(Stoppable& parent, Stoppable_test& test)
: Stoppable("B", parent)
, g_(*this, test)
, h_(*this, test)
, test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 5, "B::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 7, "B::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 4, "B::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 6, "B::onChildrenStopped called out of order");
}
};
class I : public Stoppable
{
Stoppable_test& test_;
public:
I(Stoppable& parent, Stoppable_test& test)
: Stoppable("I", parent), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 1, "I::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 8, "I::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 3, "I::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 10,
"I::onChildrenStopped called out of order");
}
};
class C : public Stoppable
{
I i_;
Stoppable_test& test_;
public:
C(Stoppable& parent, Stoppable_test& test)
: Stoppable("C", parent), i_(*this, test), test_(test)
{
}
void
onPrepare() override
{
test_.expect(
++test_.count == 2, "C::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(--test_.count == 9, "C::onStart called out of order");
}
void
onStop() override
{
test_.expect(++test_.count == 2, "C::onStop called out of order");
}
void
onChildrenStopped() override
{
Stoppable::stopped();
test_.expect(
--test_.count == 9, "C::onChildrenStopped called out of order");
}
};
class Root : public RootStoppable
{
std::thread a_;
B b_;
C c_;
Stoppable_test& test_;
SuiteJournal journal_;
public:
explicit Root(Stoppable_test& test)
: RootStoppable("R")
, a_(&A::run, std::make_unique<A>(*this, test))
, b_(*this, test)
, c_(*this, test)
, test_(test)
, journal_("Stoppable_test", test)
{
}
void
run()
{
start();
stop(journal_);
}
void
onPrepare() override
{
test_.expect(
++test_.count == 11, "Root::onPrepare called out of order");
}
void
onStart() override
{
test_.expect(
--test_.count == 10, "Root::onStart called out of order");
}
void
onStop() override
{
test_.expect(
++test_.count == 1, "Root::onStop called out of order");
}
void
onChildrenStopped() override
{
a_.join();
Stoppable::stopped();
test_.expect(
--test_.count == 0,
"Root::onChildrenStopped called out of order");
}
void
secondStop()
{
// Calling stop() a second time should have no negative
// consequences.
stop(journal_);
}
};
public:
void
run() override
{
{
Root rt(*this);
rt.run();
rt.secondStop();
}
pass();
}
};
BEAST_DEFINE_TESTSUITE(Stoppable, core, ripple);
} // namespace test
} // namespace ripple