path: root/common/size_test.go

package common

import (
    "math/big"

    checker "gopkg.in/check.v1"
)

type SizeSuite struct{}

var _ = checker.Suite(&SizeSuite{})

func (s *SizeSuite) TestStorageSizeString(c *checker.C) {
    data1 := 2381273
    data2 := 2192
    data3 := 12

    exp1 := "2.38 mB"
    exp2 := "2.19 kB"
    exp3 := "12.00 B"

    c.Assert(StorageSize(data1).String(), checker.Equals, exp1)
    c.Assert(StorageSize(data2).String(), checker.Equals, exp2)
    c.Assert(StorageSize(data3).String(), checker.Equals, exp3)
}

func (s *CommonSuite) TestCommon(c *checker.C) {
    douglas := CurrencyToString(BigPow(10, 43))
    einstein := CurrencyToString(BigPow(10, 22))
    ether := CurrencyToString(BigPow(10, 19))
    finney := CurrencyToString(BigPow(10, 16))
    szabo := CurrencyToString(BigPow(10, 13))
    shannon := CurrencyToString(BigPow(10, 10))
    babbage := CurrencyToString(BigPow(10, 7))
    ada := CurrencyToString(BigPow(10, 4))
    wei := CurrencyToString(big.NewInt(10))

    c.Assert(douglas, checker.Equals, "10 Douglas")
    c.Assert(einstein, checker.Equals, "10 Einstein")
    c.Assert(ether, checker.Equals, "10 Ether")
    c.Assert(finney, checker.Equals, "10 Finney")
    c.Assert(szabo, checker.Equals, "10 Szabo")
    c.Assert(shannon, checker.Equals, "10 Shannon")
    c.Assert(babbage, checker.Equals, "10 Babbage")
    c.Assert(ada, checker.Equals, "10 Ada")
    c.Assert(wei, checker.Equals, "10 Wei")
}

func (s *CommonSuite) TestLarge(c *checker.C) {
    douglaslarge := CurrencyToString(BigPow(100000000, 43))
    adalarge := CurrencyToString(BigPow(100000000, 4))
    weilarge := CurrencyToString(big.NewInt(100000000))

    c.Assert(douglaslarge, checker.Equals, "10000E298 Douglas")
    c.Assert(adalarge, checker.Equals, "10000E7 Einstein")
    c.Assert(weilarge, checker.Equals, "100 Babbage")
}