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https://github.com/TomHarte/CLK.git
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Since it's about to become important that objective results match, added a couple of objective-result tests for the CRC generator.
This commit is contained in:
Thomas Harte
parent
9c0f622a2e
commit
99993a1b24
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@ -28,7 +28,7 @@ class CRC16 {
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value_ = (uint16_t)(value_ << 1) ^ exclusive_or;
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}
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}
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inline uint16_t get_value() { return value_; }
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inline uint16_t get_value() const { return value_; }
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private:
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uint16_t reset_value_, polynomial_;
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@ -354,6 +354,7 @@
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4BB299F71B587D8400A49093 /* txan in Resources */ = {isa = PBXBuildFile; fileRef = 4BB298EB1B587D8400A49093 /* txan */; };
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4BB299F81B587D8400A49093 /* txsn in Resources */ = {isa = PBXBuildFile; fileRef = 4BB298EC1B587D8400A49093 /* txsn */; };
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4BB299F91B587D8400A49093 /* tyan in Resources */ = {isa = PBXBuildFile; fileRef = 4BB298ED1B587D8400A49093 /* tyan */; };
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4BB2A9AF1E13367E001A5C23 /* CRCTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BB2A9AE1E13367E001A5C23 /* CRCTests.mm */; };
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4BB697CB1D4B6D3E00248BDF /* TimedEventLoop.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB697C91D4B6D3E00248BDF /* TimedEventLoop.cpp */; };
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4BB697CE1D4BA44400248BDF /* CommodoreGCR.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB697CC1D4BA44400248BDF /* CommodoreGCR.cpp */; };
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4BB73EA21B587A5100552FC2 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BB73EA11B587A5100552FC2 /* AppDelegate.swift */; };
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@ -841,6 +842,7 @@
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4BB298EB1B587D8400A49093 /* txan */ = {isa = PBXFileReference; lastKnownFileType = file; path = txan; sourceTree = "<group>"; };
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4BB298EC1B587D8400A49093 /* txsn */ = {isa = PBXFileReference; lastKnownFileType = file; path = txsn; sourceTree = "<group>"; };
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4BB298ED1B587D8400A49093 /* tyan */ = {isa = PBXFileReference; lastKnownFileType = file; path = tyan; sourceTree = "<group>"; };
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4BB2A9AE1E13367E001A5C23 /* CRCTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CRCTests.mm; sourceTree = "<group>"; };
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4BB697C61D4B558F00248BDF /* Factors.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Factors.hpp; path = ../../NumberTheory/Factors.hpp; sourceTree = "<group>"; };
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4BB697C91D4B6D3E00248BDF /* TimedEventLoop.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TimedEventLoop.cpp; sourceTree = "<group>"; };
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4BB697CA1D4B6D3E00248BDF /* TimedEventLoop.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = TimedEventLoop.hpp; sourceTree = "<group>"; };
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@ -1691,6 +1693,7 @@
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isa = PBXGroup;
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children = (
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4B5073091DDFCFDF00C48FBD /* ArrayBuilderTests.mm */,
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4BB2A9AE1E13367E001A5C23 /* CRCTests.mm */,
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4B121F941E05E66800BFDA12 /* PCMPatchedTrackTests.mm */,
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4B121F9A1E06293F00BFDA12 /* PCMSegmentEventSourceTests.mm */,
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4BD4A8CF1E077FD20020D856 /* PCMTrackTests.mm */,
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@ -2465,6 +2468,7 @@
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4BEF6AAC1D35D1C400E73575 /* DPLLTests.swift in Sources */,
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4B3BA0CF1D318B44005DD7A7 /* MOS6522Bridge.mm in Sources */,
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4BC751B21D157E61006C31D9 /* 6522Tests.swift in Sources */,
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4BB2A9AF1E13367E001A5C23 /* CRCTests.mm in Sources */,
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4B3BA0D01D318B44005DD7A7 /* MOS6532Bridge.mm in Sources */,
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4B3BA0C31D318AEC005DD7A7 /* C1540Tests.swift in Sources */,
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4B1414621B58888700E04248 /* KlausDormannTests.swift in Sources */,
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71
OSBindings/Mac/Clock SignalTests/CRCTests.mm
Normal file
71
OSBindings/Mac/Clock SignalTests/CRCTests.mm
Normal file
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@ -0,0 +1,71 @@
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//
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// CRCTests.m
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// Clock Signal
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//
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// Created by Thomas Harte on 27/12/2016.
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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 "CRC.hpp"
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@interface CRCTests : XCTestCase
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@end
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@implementation CRCTests
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- (NumberTheory::CRC16)mfmCRCGenerator
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{
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return NumberTheory::CRC16(0x1021, 0xffff);
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}
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- (uint16_t)crcOfData:(uint8_t *)data length:(size_t)length generator:(NumberTheory::CRC16 &)generator
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{
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generator.reset();
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for(size_t c = 0; c < length; c++) generator.add(data[c]);
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return generator.get_value();
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}
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- (void)testIDMark
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{
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uint8_t IDMark[] =
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{
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0xa1, 0xa1, 0xa1, 0xfe, 0x00, 0x00, 0x01, 0x01
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};
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uint16_t crc = 0xfa0c;
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NumberTheory::CRC16 crcGenerator = self.mfmCRCGenerator;
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uint16_t computedCRC = [self crcOfData:IDMark length:sizeof(IDMark) generator:crcGenerator];
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XCTAssert(computedCRC == crc, @"Calculated CRC should have been %04x, was %04x", crc, computedCRC);
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}
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- (void)testData
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{
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uint8_t sectorData[] =
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{
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0xa1, 0xa1, 0xa1, 0xfb, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x53, 0x45, 0x44, 0x4f,
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0x52, 0x49, 0x43, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x53, 0x45, 0x44, 0x4f, 0x52, 0x49, 0x43, 0x20, 0x56, 0x31, 0x2e, 0x30,
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0x30, 0x36, 0x20, 0x30, 0x31, 0x2f, 0x30, 0x31, 0x2f, 0x38, 0x36, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20
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};
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uint16_t crc = 0x4de7;
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NumberTheory::CRC16 crcGenerator = self.mfmCRCGenerator;
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uint16_t computedCRC = [self crcOfData:sectorData length:sizeof(sectorData) generator:crcGenerator];
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XCTAssert(computedCRC == crc, @"Calculated CRC should have been %04x, was %04x", crc, computedCRC);
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}
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@end
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