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Added a single test for Storage::Time, discovering that I had the wrong sign on float conversions.

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This commit is contained in:
Thomas Harte 2016-12-24 22:59:01 -05:00
parent af69b21033
commit e25195a718
3 changed files with 29 additions and 1 deletions
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4
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
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@ -17,6 +17,7 @@
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@ -440,6 +441,7 @@
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@ -1692,6 +1694,7 @@
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4BD4A8CF1E077FD20020D856 /* PCMTrackTests.mm */, 4BD4A8CF1E077FD20020D856 /* PCMTrackTests.mm */,
4B1D08051E0F7A1100763741 /* TimeTests.mm */,
4BB73EB81B587A5100552FC2 /* Info.plist */, 4BB73EB81B587A5100552FC2 /* Info.plist */,
4BC9E1ED1D23449A003FCEE4 /* 6502InterruptTests.swift */, 4BC9E1ED1D23449A003FCEE4 /* 6502InterruptTests.swift */,
4B92EAC91B7C112B00246143 /* 6502TimingTests.swift */, 4B92EAC91B7C112B00246143 /* 6502TimingTests.swift */,
@ -2468,6 +2471,7 @@
4B1414601B58885000E04248 /* WolfgangLorenzTests.swift in Sources */, 4B1414601B58885000E04248 /* WolfgangLorenzTests.swift in Sources */,
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4B049CDD1DA3C82F00322067 /* BCDTest.swift in Sources */, 4B049CDD1DA3C82F00322067 /* BCDTest.swift in Sources */,
4B1D08061E0F7A1100763741 /* TimeTests.mm in Sources */,
4B121F951E05E66800BFDA12 /* PCMPatchedTrackTests.mm in Sources */, 4B121F951E05E66800BFDA12 /* PCMPatchedTrackTests.mm in Sources */,
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;

24
OSBindings/Mac/Clock SignalTests/TimeTests.mm Normal file
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@ -0,0 +1,24 @@
//
// TimeTests.m
// Clock Signal
//
// Created by Thomas Harte on 24/12/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#import <XCTest/XCTest.h>
#include "Storage.hpp"
@interface TimeTests : XCTestCase
@end
@implementation TimeTests
- (void)testFloat
{
Storage::Time half(0.5f);
XCTAssert(half == Storage::Time(1, 2), @"0.5 should be converted to 1/2");
}
@end

2
Storage/Storage.hpp
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@ -224,7 +224,7 @@ struct Time {
float loaded_mantissa = ldexpf(mantissa, 24); float loaded_mantissa = ldexpf(mantissa, 24);
uint64_t result_length = (uint64_t)loaded_mantissa; uint64_t result_length = (uint64_t)loaded_mantissa;
uint64_t result_clock_rate = 1 << (exponent - 24); uint64_t result_clock_rate = 1 << (exponent + 24);
install_result(result_length, result_clock_rate); install_result(result_length, result_clock_rate);
} }
}; };