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path: root/common/value_test.go
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package common

import (
    "math/big"

    checker "gopkg.in/check.v1"
)

type ValueSuite struct{}

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

func (s *ValueSuite) TestValueCmp(c *checker.C) {
    val1 := NewValue("hello")
    val2 := NewValue("world")
    c.Assert(val1.Cmp(val2), checker.Equals, false)

    val3 := NewValue("hello")
    val4 := NewValue("hello")
    c.Assert(val3.Cmp(val4), checker.Equals, true)
}

func (s *ValueSuite) TestValueTypes(c *checker.C) {
    str := NewValue("str")
    num := NewValue(1)
    inter := NewValue([]interface{}{1})
    byt := NewValue([]byte{1, 2, 3, 4})
    bigInt := NewValue(big.NewInt(10))

    strExp := "str"
    numExp := uint64(1)
    interExp := []interface{}{1}
    bytExp := []byte{1, 2, 3, 4}
    bigExp := big.NewInt(10)

    c.Assert(str.Str(), checker.Equals, strExp)
    c.Assert(num.Uint(), checker.Equals, numExp)
    c.Assert(NewValue(inter.Interface()).Cmp(NewValue(interExp)), checker.Equals, true)
    c.Assert(byt.Bytes(), checker.DeepEquals, bytExp)
    c.Assert(bigInt.BigInt(), checker.DeepEquals, bigExp)
}

func (s *ValueSuite) TestIterator(c *checker.C) {
    value := NewValue([]interface{}{1, 2, 3})
    iter := value.NewIterator()
    values := []uint64{1, 2, 3}
    i := 0
    for iter.Next() {
        c.Assert(values[i], checker.Equals, iter.Value().Uint())
        i++
    }
}

func (s *ValueSuite) TestMath(c *checker.C) {
    data1 := NewValue(1)
    data1.Add(1).Add(1)
    exp1 := NewValue(3)
    data2 := NewValue(2)
    data2.Sub(1).Sub(1)
    exp2 := NewValue(0)

    c.Assert(data1.DeepCmp(exp1), checker.Equals, true)
    c.Assert(data2.DeepCmp(exp2), checker.Equals, true)
}

func (s *ValueSuite) TestString(c *checker.C) {
    data := "10"
    exp := int64(10)
    c.Assert(NewValue(data).Int(), checker.DeepEquals, exp)
}