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/*
* SPDX-FileCopyrightText: 2016-2016 CSSlayer <wengxt@gmail.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
*/
#include "fcitx-utils/connectableobject.h"
#include "fcitx-utils/log.h"
#include "fcitx-utils/metastring.h"
#include "fcitx-utils/signals.h"
void test_simple_signal() {
bool called = false;
fcitx::Signal<void()> signal1;
auto connection = signal1.connect([&called]() { called = true; });
FCITX_ASSERT(connection.connected());
FCITX_ASSERT(!called);
signal1();
called = false;
auto connection2 = connection;
FCITX_ASSERT(connection.connected());
FCITX_ASSERT(connection2.connected());
connection.disconnect();
FCITX_ASSERT(!connection.connected());
FCITX_ASSERT(!connection2.connected());
signal1();
FCITX_ASSERT(!called);
}
void test_combiner() {
fcitx::Signal<int(int)> signal1;
auto connection = signal1.connect([](int i) { return i; });
FCITX_ASSERT(signal1(1) == 1);
auto connection2 = signal1.connect([](int) { return -1; });
FCITX_ASSERT(signal1(2) == -1);
}
class MaxInteger {
public:
MaxInteger() : initial_(INT32_MIN) {}
template <typename InputIterator>
int operator()(InputIterator begin, InputIterator end) {
int v = initial_;
for (; begin != end; begin++) {
int newv = *begin;
if (newv > v) {
v = newv;
}
}
return v;
}
private:
int initial_;
};
void test_custom_combiner() {
fcitx::Signal<int(int), MaxInteger> signal1;
auto connection = signal1.connect([](int i) { return i; });
FCITX_ASSERT(signal1(1) == 1);
auto connection2 = signal1.connect([](int) { return -1; });
FCITX_ASSERT(signal1(2) == 2);
connection.disconnect();
FCITX_ASSERT(signal1(2) == -1);
}
void test_destruct_order() {
fcitx::Connection connection;
FCITX_ASSERT(!connection.connected());
{
fcitx::Signal<void()> signal1;
connection = signal1.connect([]() {});
FCITX_ASSERT(connection.connected());
}
FCITX_ASSERT(!connection.connected());
connection.disconnect();
}
class TestObject : public fcitx::ConnectableObject {
public:
using fcitx::ConnectableObject::destroy;
};
void test_connectable_object() {
using namespace fcitx;
TestObject obj;
bool called = false;
auto connection =
obj.connect<ConnectableObject::Destroyed>([&called, &obj](void *self) {
FCITX_ASSERT(&obj == self);
called = true;
});
FCITX_ASSERT(connection.connected());
obj.destroy();
FCITX_ASSERT(called);
FCITX_ASSERT(!connection.connected());
FCITX_ASSERT(
!obj.connect<ConnectableObject::Destroyed>([](void *) {}).connected());
}
class TestObject2 : public fcitx::ConnectableObject {
public:
FCITX_DECLARE_SIGNAL(TestObject2, test, void(int &));
void emitTest(int &i) { emit<TestObject2::test>(i); }
FCITX_DECLARE_SIGNAL(TestObject2, test2, void(std::string &));
void emitTest2(std::string &s) { emit<TestObject2::test2>(s); }
private:
FCITX_DEFINE_SIGNAL(TestObject2, test);
FCITX_DEFINE_SIGNAL(TestObject2, test2);
};
void test_reference() {
using namespace fcitx;
TestObject2 obj;
int i = 0;
obj.connect<TestObject2::test>([](int &i) { i++; });
obj.connect<TestObject2::test>([](int &i) { i++; });
obj.emitTest(i);
std::string s;
obj.connect<TestObject2::test2>([](std::string &s) { s += "a"; });
obj.connect<TestObject2::test2>([](std::string &s) { s += "b"; });
obj.emitTest2(s);
FCITX_ASSERT(s == "ab");
}
void test_move() {
bool called = false;
fcitx::Signal<void()> signal1;
auto connection = signal1.connect([&called]() { called = true; });
FCITX_ASSERT(connection.connected());
FCITX_ASSERT(!called);
signal1();
FCITX_ASSERT(called);
called = false;
auto signal2 = std::move(signal1);
FCITX_ASSERT(connection.connected());
// shouldn't use signal1() anymore, unless we want to assign to it again.
FCITX_ASSERT(!called);
signal2();
FCITX_ASSERT(called);
signal2.disconnectAll();
FCITX_ASSERT(!connection.connected());
}
void test_self_removal() {
fcitx::Signal<void()> signal;
int number = 0;
fcitx::Connection connection = signal.connect([&connection, &number]() {
connection.disconnect();
number = 1234;
});
signal();
FCITX_ASSERT(number == 1234);
FCITX_ASSERT(!connection.connected());
}
int main() {
test_simple_signal();
test_combiner();
test_custom_combiner();
test_destruct_order();
test_connectable_object();
test_reference();
test_move();
test_self_removal();
return 0;
}
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