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WLink: define expected copy behaviour

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This commit is contained in:
Fischlurch 2018-08-16 03:31:22 +02:00
parent 22cdfbff2c
commit baa3d2bff0
1 changed files with 54 additions and 3 deletions
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57
tests/gui/model/w-link-test.cpp
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@ -34,7 +34,7 @@
//#include "lib/diff/gen-node.hpp"
#include "lib/util.hpp"
//#include <string>
#include <utility>
#include <memory>
@ -43,8 +43,9 @@
//using lib::diff::Rec;
//using lib::idi::EntryID;
//using lib::diff::GenNode;
using std::make_unique;
using util::isSameObject;
using std::make_unique;
using std::move;
//using util::isnil;
@ -158,7 +159,57 @@ namespace test {
void
verify_copy()
{
UNIMPLEMENTED ("copy with magic");
using Wint = DummyWidget<int>;
auto w1 = make_unique<Wint>();
auto w2 = make_unique<Wint>();
WLink<Wint> l1;
WLink<Wint> l2{l1};
CHECK (not l2);
l2.connect(*w1);
WLink<Wint> l3{l2};
CHECK (l3);
CHECK (w1->val == l3->val);
CHECK (not l1); // they are statefull and independent
l1 = move(l2);
CHECK (not l2);
CHECK (l1);
CHECK (isSameObject (*l1, *l3));
l2 = WLink<Wint>{WLink<Wint>{*w2}};
CHECK (w2->val == l2->val);
l1 = l3;
CHECK (w1->val == l1->val);
WLink<Wint>& ref{l1};
l1 = move(ref);
CHECK (w1->val == l1->val);
CHECK (w1->val == l3->val);
std::swap (l2, l3);
CHECK (w1->val == l1->val);
CHECK (w1->val == l2->val);
CHECK (w2->val == l3->val);
w1.reset();
CHECK (not l1);
CHECK (not l2);
CHECK (w2->val == l3->val);
using Wuint = DummyWidget<uint>;
auto uu = make_unique<Wuint>();
WLink<Wuint> lu{*uu};
///////////////does not compile...
// l1 = uu;
// l1.connect(*uu);
// but it is a compile time check...
l1 = reinterpret_cast<WLink<Wint>&&> (uu);
CHECK ((int)uu->val == l1->val);
CHECK (not lu);
}
};