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CLK/OSBindings/Mac/Clock SignalTests/DispatcherTests.mm
2023-06-13 15:25:51 -04:00

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//
// DispatcherTests.m
// Clock SignalTests
//
// Created by Thomas Harte on 12/06/2023.
// Copyright © 2023 Thomas Harte. All rights reserved.
//
#import <XCTest/XCTest.h>
#include "Dispatcher.hpp"
#include <array>
#include <cassert>
#include <vector>
@interface DispatcherTests : XCTestCase
@end
@implementation DispatcherTests
struct DoStep {
static constexpr int max = 100;
template <int n> void perform() {
assert(n < max);
performed[n] = true;
}
std::array<bool, max> performed{};
};
- (void)testPoints {
DoStep stepper;
Reflection::RangeDispatcher<DoStep>::dispatch(stepper, 0, 10);
for(size_t c = 0; c < stepper.performed.size(); c++) {
XCTAssert(stepper.performed[c] == (c < 10));
}
Reflection::RangeDispatcher<DoStep>::dispatch(stepper, 29, 100000);
for(size_t c = 0; c < stepper.performed.size(); c++) {
XCTAssert(stepper.performed[c] == (c < 10) || (c >= 29));
}
}
enum class RangeType {
Sync, Border
};
struct RangeClassifier {
static constexpr int max = 200;
static constexpr RangeType region(int x) {
return x >= 10 && x < 20 ? RangeType::Sync : RangeType::Border;
}
};
struct RangeTarget {
struct Event {
enum class Type {
Begin, End, Advance
};
Type event_type;
RangeType range_type;
int length = 0;
Event(Type event_type, RangeType range_type, int length) : event_type(event_type), range_type(range_type), length(length) {}
bool operator ==(const Event &rhs) const {
if(rhs.event_type != event_type) return false;
if(rhs.range_type != range_type) return false;
return rhs.length == length;
}
};
std::vector<Event> events;
template <RangeType type> void begin(int position) {
events.emplace_back(Event::Type::Begin, type, position);
}
template <RangeType type> void end(int position) {
events.emplace_back(Event::Type::End, type, position);
}
template <RangeType type> void advance(int length) {
events.emplace_back(Event::Type::Advance, type, length);
}
};
- (void)testRanges {
RangeTarget target;
using Dispatcher = Reflection::SubrangeDispatcher<RangeClassifier, RangeTarget>;
Dispatcher::dispatch(target, 0, 11);
XCTAssertEqual(target.events.size(), 5);
XCTAssert(target.events[0] == RangeTarget::Event(RangeTarget::Event::Type::Begin, RangeType::Border, 0));
XCTAssert(target.events[1] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Border, 10));
XCTAssert(target.events[2] == RangeTarget::Event(RangeTarget::Event::Type::End, RangeType::Border, 10));
XCTAssert(target.events[3] == RangeTarget::Event(RangeTarget::Event::Type::Begin, RangeType::Sync, 10));
XCTAssert(target.events[4] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Sync, 1));
Dispatcher::dispatch(target, 11, 75);
Dispatcher::dispatch(target, 75, 100);
Dispatcher::dispatch(target, 100, 199);
Dispatcher::dispatch(target, 199, 200);
Dispatcher::dispatch(target, 200, 400); // Out of range.
XCTAssertEqual(target.events.size(), 13);
XCTAssert(target.events[5] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Sync, 9));
XCTAssert(target.events[6] == RangeTarget::Event(RangeTarget::Event::Type::End, RangeType::Sync, 20));
XCTAssert(target.events[7] == RangeTarget::Event(RangeTarget::Event::Type::Begin, RangeType::Border, 20));
XCTAssert(target.events[8] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Border, 55));
XCTAssert(target.events[9] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Border, 25));
XCTAssert(target.events[10] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Border, 99));
XCTAssert(target.events[11] == RangeTarget::Event(RangeTarget::Event::Type::Advance, RangeType::Border, 1));
XCTAssert(target.events[12] == RangeTarget::Event(RangeTarget::Event::Type::End, RangeType::Border, 200));
}
@end