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) }