package binary
import (
"bytes"
"encoding/binary"
"testing"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git.v4/plumbing"
)
func Test(t *testing.T) { TestingT(t) }
type BinarySuite struct{}
var _ = Suite(&BinarySuite{})
func (s *BinarySuite) TestRead(c *C) {
buf := bytes.NewBuffer(nil)
err := binary.Write(buf, binary.BigEndian, int64(42))
c.Assert(err, IsNil)
err = binary.Write(buf, binary.BigEndian, int32(42))
c.Assert(err, IsNil)
var i64 int64
var i32 int32
err = Read(buf, &i64, &i32)
c.Assert(err, IsNil)
c.Assert(i64, Equals, int64(42))
c.Assert(i32, Equals, int32(42))
}
func (s *BinarySuite) TestReadUntil(c *C) {
buf := bytes.NewBuffer([]byte("foo bar"))
b, err := ReadUntil(buf, ' ')
c.Assert(err, IsNil)
c.Assert(b, HasLen, 3)
c.Assert(string(b), Equals, "foo")
}
func (s *BinarySuite) TestReadVariableWidthInt(c *C) {
buf := bytes.NewBuffer([]byte{129, 110})
i, err := ReadVariableWidthInt(buf)
c.Assert(err, IsNil)
c.Assert(i, Equals, int64(366))
}
func (s *BinarySuite) TestReadVariableWidthIntShort(c *C) {
buf := bytes.NewBuffer([]byte{19})
i, err := ReadVariableWidthInt(buf)
c.Assert(err, IsNil)
c.Assert(i, Equals, int64(19))
}
func (s *BinarySuite) TestReadUint32(c *C) {
buf := bytes.NewBuffer(nil)
err := binary.Write(buf, binary.BigEndian, uint32(42))
c.Assert(err, IsNil)
i32, err := ReadUint32(buf)
c.Assert(err, IsNil)
c.Assert(i32, Equals, uint32(42))
}
func (s *BinarySuite) TestReadUint16(c *C) {
buf := bytes.NewBuffer(nil)
err := binary.Write(buf, binary.BigEndian, uint16(42))
c.Assert(err, IsNil)
i32, err := ReadUint16(buf)
c.Assert(err, IsNil)
c.Assert(i32, Equals, uint16(42))
}
func (s *BinarySuite) TestReadHash(c *C) {
expected := plumbing.NewHash("43aec75c611f22c73b27ece2841e6ccca592f285")
buf := bytes.NewBuffer(nil)
err := binary.Write(buf, binary.BigEndian, expected)
c.Assert(err, IsNil)
hash, err := ReadHash(buf)
c.Assert(err, IsNil)
c.Assert(hash.String(), Equals, expected.String())
}
func (s *BinarySuite) TestIsBinary(c *C) {
buf := bytes.NewBuffer(nil)
buf.Write(bytes.Repeat([]byte{'A'}, sniffLen))
buf.Write([]byte{0})
ok, err := IsBinary(buf)
c.Assert(err, IsNil)
c.Assert(ok, Equals, false)
buf.Reset()
buf.Write(bytes.Repeat([]byte{'A'}, sniffLen-1))
buf.Write([]byte{0})
ok, err = IsBinary(buf)
c.Assert(err, IsNil)
c.Assert(ok, Equals, true)
buf.Reset()
buf.Write(bytes.Repeat([]byte{'A'}, 10))
ok, err = IsBinary(buf)
c.Assert(err, IsNil)
c.Assert(ok, Equals, false)
}
