github.com/jonasnick/go-ethereum@v0.7.12-0.20150216215225-22176f05d387/ethutil/value_test.go (about)

     1  package ethutil
     2  
     3  import (
     4  	"math/big"
     5  
     6  	checker "gopkg.in/check.v1"
     7  )
     8  
     9  type ValueSuite struct{}
    10  
    11  var _ = checker.Suite(&ValueSuite{})
    12  
    13  func (s *ValueSuite) TestValueCmp(c *checker.C) {
    14  	val1 := NewValue("hello")
    15  	val2 := NewValue("world")
    16  	c.Assert(val1.Cmp(val2), checker.Equals, false)
    17  
    18  	val3 := NewValue("hello")
    19  	val4 := NewValue("hello")
    20  	c.Assert(val3.Cmp(val4), checker.Equals, true)
    21  }
    22  
    23  func (s *ValueSuite) TestValueTypes(c *checker.C) {
    24  	str := NewValue("str")
    25  	num := NewValue(1)
    26  	inter := NewValue([]interface{}{1})
    27  	byt := NewValue([]byte{1, 2, 3, 4})
    28  	bigInt := NewValue(big.NewInt(10))
    29  
    30  	strExp := "str"
    31  	numExp := uint64(1)
    32  	interExp := []interface{}{1}
    33  	bytExp := []byte{1, 2, 3, 4}
    34  	bigExp := big.NewInt(10)
    35  
    36  	c.Assert(str.Str(), checker.Equals, strExp)
    37  	c.Assert(num.Uint(), checker.Equals, numExp)
    38  	c.Assert(NewValue(inter.Interface()).Cmp(NewValue(interExp)), checker.Equals, true)
    39  	c.Assert(byt.Bytes(), checker.DeepEquals, bytExp)
    40  	c.Assert(bigInt.BigInt(), checker.DeepEquals, bigExp)
    41  }
    42  
    43  func (s *ValueSuite) TestIterator(c *checker.C) {
    44  	value := NewValue([]interface{}{1, 2, 3})
    45  	iter := value.NewIterator()
    46  	values := []uint64{1, 2, 3}
    47  	i := 0
    48  	for iter.Next() {
    49  		c.Assert(values[i], checker.Equals, iter.Value().Uint())
    50  		i++
    51  	}
    52  }
    53  
    54  func (s *ValueSuite) TestMath(c *checker.C) {
    55  	data1 := NewValue(1)
    56  	data1.Add(1).Add(1)
    57  	exp1 := NewValue(3)
    58  	data2 := NewValue(2)
    59  	data2.Sub(1).Sub(1)
    60  	exp2 := NewValue(0)
    61  
    62  	c.Assert(data1.DeepCmp(exp1), checker.Equals, true)
    63  	c.Assert(data2.DeepCmp(exp2), checker.Equals, true)
    64  }
    65  
    66  func (s *ValueSuite) TestString(c *checker.C) {
    67  	data := "10"
    68  	exp := int64(10)
    69  	c.Assert(NewValue(data).Int(), checker.DeepEquals, exp)
    70  }