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Currency rate: always display minimum 4 significant decimals or 2 trailing zeros if the number is integer (#256)

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* Currency rate: Compute how many decimals we need to display two meaningful digits at minimum

* formatting

* nit

* Increase the number of meaningfull digits (2->4)

* Revert "Increase the number of meaningfull digits (2->4)"

This reverts commit 9ad93e0d591a386e3e229e09b39a58158d544069.

* Rename constants

* modify FORMATTER_RATE_* values

* format CurrencyConverterUnitTests.cpp
This commit is contained in:
Rudy Huyn
2019-08-01 15:07:27 -07:00
committed by Stephanie Anderl
parent 796d171960
commit cc8491a3d7
3 changed files with 56 additions and 9 deletions
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32
src/CalculatorUnitTests/CurrencyConverterUnitTests.cpp
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@@ -590,6 +590,38 @@ TEST_METHOD(Loaded_GetCurrencyRatioEquality_Invalid)
VERIFY_ARE_EQUAL(wstring(L""), ratio.first);
VERIFY_ARE_EQUAL(wstring(L""), ratio.second);
}
TEST_METHOD(Test_RoundCurrencyRatio)
{
CurrencyDataLoader loader{ nullptr };
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(1234567), 1234567);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0), 0);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(9999.999), 9999.999);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(8765.4321), 8765.4321);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(4815.162342), 4815.1623);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(4815.162358), 4815.1624);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(4815.162388934723), 4815.1624);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.12), 0.12);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.123), 0.123);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.1234), 0.1234);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.12343), 0.1234);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.0321), 0.0321);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.03211), 0.03211);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.032119), 0.03212);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.00322119), 0.003221);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.00123269), 0.001233);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.00076269), 0.0007627);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000069), 0.000069);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000061), 0.000061);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000054612), 0.00005461);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000054616), 0.00005462);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000005416), 0.000005416);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.0000016134324), 0.000001613);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.0000096134324), 0.000009613);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.0000032169348392), 0.000003217);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000000002134987218), 0.000000002135);
VERIFY_ARE_EQUAL(CurrencyDataLoader::RoundCurrencyRatio(0.000000000000087231445), 0.00000000000008723);
}
}
;
}