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Add unit tests for STAmount::setValue.

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This commit is contained in:
Arthur Britto
2012-06-03 01:54:51 -07:00
parent 97fe2568e5
commit 96face502c
1 changed files with 21 additions and 4 deletions
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25
src/Amount.cpp
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@@ -1,4 +1,3 @@
#include <cmath>
#include <iomanip>
#include <algorithm>
@@ -107,18 +106,22 @@ bool STAmount::setValue(const std::string& sAmount, const std::string& sCurrency
else
{
// Example size decimal size-decimal offset
// .1 2 0 2 -1
// 123. 4 3 1 0
// 1.23 4 1 3 -2
// ^1 2 0 2 -1
// 123^ 4 3 1 0
// 1^23 4 1 3 -2
iOffset = -(sAmount.size()-uDecimal-1);
// Issolate integer and fraction.
uint64 uInteger = uDecimal ? boost::lexical_cast<uint64>(sAmount.substr(0, uDecimal)) : 0;
uint64 uFraction = iOffset ? boost::lexical_cast<uint64>(sAmount.substr(uDecimal+1)) : 0;
// Scale the integer portion to the same offset as the fraction.
uValue = uInteger;
for (int i=-iOffset; i--;)
uValue *= 10;
// Add in the fraction.
uValue += uFraction;
}
@@ -801,6 +804,20 @@ static STAmount serdes(const STAmount &s)
BOOST_AUTO_TEST_SUITE(amount)
BOOST_AUTO_TEST_CASE( setValue_test )
{
STAmount saTmp;
// Check native floats
saTmp.setValue("1^0",""); BOOST_CHECK_MESSAGE(SYSTEM_CURRENCY_PARTS == saTmp.getNValue(), "float integer failed");
saTmp.setValue("0^1",""); BOOST_CHECK_MESSAGE(SYSTEM_CURRENCY_PARTS/10 == saTmp.getNValue(), "float fraction failed");
saTmp.setValue("0^12",""); BOOST_CHECK_MESSAGE(12*SYSTEM_CURRENCY_PARTS/100 == saTmp.getNValue(), "float fraction failed");
saTmp.setValue("1^2",""); BOOST_CHECK_MESSAGE(SYSTEM_CURRENCY_PARTS+(2*SYSTEM_CURRENCY_PARTS/10) == saTmp.getNValue(), "float combined failed");
// Check native integer
saTmp.setValue("1",""); BOOST_CHECK_MESSAGE(1 == saTmp.getNValue(), "integer failed");
}
BOOST_AUTO_TEST_CASE( NativeCurrency_test )
{
STAmount zero, one(1), hundred(100);