106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#include <cruft/util/signal.hpp>
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#include <cruft/util/except.hpp>
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#include <cruft/util/tap.hpp>
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//-----------------------------------------------------------------------------
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void
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test_null (cruft::TAP::logger &tap)
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{
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tap.expect_nothrow ([] {
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cruft::signal<void(*)(void)> void_signal;
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void_signal ();
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}, "void signal");
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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increment_uint (unsigned int &val)
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{
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++val;
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}
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//-----------------------------------------------------------------------------
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void
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test_single (cruft::TAP::logger &tap)
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{
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unsigned int val = 0;
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cruft::signal<void(*)(unsigned int&)> void_signal;
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auto cookie = void_signal.connect (increment_uint);
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void_signal (val);
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tap.expect_eq (val, 1u, "single listener");
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}
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//-----------------------------------------------------------------------------
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void
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test_double (cruft::TAP::logger &tap)
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{
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unsigned int val = 0;
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cruft::signal<void(*)(unsigned int&)> void_signal;
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auto cookie0 = void_signal.connect (increment_uint);
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auto cookie1 = void_signal.connect (increment_uint);
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void_signal (val);
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tap.expect_eq (val, 2u, "double listener");
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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test_value_signal (cruft::TAP::logger &tap)
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{
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cruft::value_signal<unsigned> val;
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unsigned passed = 0;
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auto cookie = val.connect ([&] (unsigned v) { passed = v; });
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val = 42u;
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tap.expect_eq (passed, 42u, "value signal, passed value");
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unsigned check = val;
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tap.expect_eq (check, 42u, "value signal, read value");
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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test_parallel_release (cruft::TAP::logger &tap)
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{
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tap.expect_nothrow ([] {
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using function_t = std::function<void(void)>;
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cruft::signal<function_t> sig;
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cruft::signal<function_t>::cookie a = sig.connect ([&] (void) { a.release (); });
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cruft::signal<function_t>::cookie b = sig.connect ([&] (void) { b.release (); });
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cruft::signal<function_t>::cookie c = sig.connect ([&] (void) { c.release (); });
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cruft::signal<function_t>::cookie d = sig.connect ([&] (void) { d.release (); });
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sig ();
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}, "parallel release in invocation");
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}
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///////////////////////////////////////////////////////////////////////////////
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#include <iostream>
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int
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main (int, char **)
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{
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return cruft::TAP::logger::run ([] (auto &tap) {
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test_null (tap);
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test_single (tap);
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test_double (tap);
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test_value_signal (tap);
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test_parallel_release (tap);
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});
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}
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