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80 lines
2.2 KiB
Plaintext
80 lines
2.2 KiB
Plaintext
//
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// PCMPatchedTrackTests.m
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// Clock Signal
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//
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// Created by Thomas Harte on 17/12/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#import <XCTest/XCTest.h>
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#include "PCMTrack.hpp"
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#include "PCMPatchedTrack.hpp"
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@interface PCMPatchedTrackTests : XCTestCase
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@end
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@implementation PCMPatchedTrackTests
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- (std::shared_ptr<Storage::Disk::Track>)togglingTrack
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{
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Storage::Disk::PCMSegment segment;
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segment.data = { 0xff, 0xff, 0xff, 0xff };
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segment.number_of_bits = 32;
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return std::shared_ptr<Storage::Disk::Track>(new Storage::Disk::PCMTrack(segment));
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}
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- (std::shared_ptr<Storage::Disk::Track>)patchableTogglingTrack
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{
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std::shared_ptr<Storage::Disk::Track> track = self.togglingTrack;
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return std::shared_ptr<Storage::Disk::Track>(new Storage::Disk::PCMPatchedTrack(track));
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}
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- (void)assertOneThirtyTwosForTrack:(std::shared_ptr<Storage::Disk::Track>)track
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{
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// Confirm that there are now flux transitions (just the first five will do)
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// located 1/32nd of a rotation apart.
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int c = 5;
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while(c--)
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{
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Storage::Disk::Track::Event event = track->get_next_event();
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Storage::Time simplified_time = event.length.simplify();
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XCTAssert(simplified_time.length == 1 && simplified_time.clock_rate == 32, "flux transitions should be 1/32nd of a track apart");
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}
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}
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- (void)testUnpatchedRawTrack
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{
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[self assertOneThirtyTwosForTrack:self.togglingTrack];
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}
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- (void)testUnpatchedTrack
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{
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[self assertOneThirtyTwosForTrack:self.patchableTogglingTrack];
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}
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- (void)testZeroPatch
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{
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std::shared_ptr<Storage::Disk::Track> patchableTrack = self.patchableTogglingTrack;
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Storage::Disk::PCMPatchedTrack *patchable = dynamic_cast<Storage::Disk::PCMPatchedTrack *>(patchableTrack.get());
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if(patchable)
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{
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// add a single one, at 1/32 length at 3/128. So that should shift the location of the second flux transition
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Storage::Disk::PCMSegment zero_segment;
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zero_segment.data = {0xff};
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zero_segment.number_of_bits = 1;
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zero_segment.length_of_a_bit.length = 1;
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zero_segment.length_of_a_bit.clock_rate = 32;
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patchable->add_segment(Storage::Time(3, 128), zero_segment);
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}
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std::vector<Storage::Disk::Track::Event> events;
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int c = 5;
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while(c--)
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{
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events.push_back(patchableTrack->get_next_event());
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}
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}
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@end
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