diff options
Diffstat (limited to 'src/pkg/encoding/binary/binary_test.go')
| -rw-r--r-- | src/pkg/encoding/binary/binary_test.go | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/src/pkg/encoding/binary/binary_test.go b/src/pkg/encoding/binary/binary_test.go deleted file mode 100644 index b266996f6..000000000 --- a/src/pkg/encoding/binary/binary_test.go +++ /dev/null @@ -1,235 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package binary - -import ( - "io" - "os" - "bytes" - "math" - "reflect" - "testing" -) - -type Struct struct { - Int8 int8 - Int16 int16 - Int32 int32 - Int64 int64 - Uint8 uint8 - Uint16 uint16 - Uint32 uint32 - Uint64 uint64 - Float32 float32 - Float64 float64 - Complex64 complex64 - Complex128 complex128 - Array [4]uint8 -} - -type T struct { - Int int - Uint uint - Uintptr uintptr - Array [4]int -} - -var s = Struct{ - 0x01, - 0x0203, - 0x04050607, - 0x08090a0b0c0d0e0f, - 0x10, - 0x1112, - 0x13141516, - 0x1718191a1b1c1d1e, - - math.Float32frombits(0x1f202122), - math.Float64frombits(0x232425262728292a), - complex( - math.Float32frombits(0x2b2c2d2e), - math.Float32frombits(0x2f303132), - ), - complex( - math.Float64frombits(0x333435363738393a), - math.Float64frombits(0x3b3c3d3e3f404142), - ), - - [4]uint8{0x43, 0x44, 0x45, 0x46}, -} - -var big = []byte{ - 1, - 2, 3, - 4, 5, 6, 7, - 8, 9, 10, 11, 12, 13, 14, 15, - 16, - 17, 18, - 19, 20, 21, 22, - 23, 24, 25, 26, 27, 28, 29, 30, - - 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, - 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, - - 67, 68, 69, 70, -} - -var little = []byte{ - 1, - 3, 2, - 7, 6, 5, 4, - 15, 14, 13, 12, 11, 10, 9, 8, - 16, - 18, 17, - 22, 21, 20, 19, - 30, 29, 28, 27, 26, 25, 24, 23, - - 34, 33, 32, 31, - 42, 41, 40, 39, 38, 37, 36, 35, - 46, 45, 44, 43, 50, 49, 48, 47, - 58, 57, 56, 55, 54, 53, 52, 51, 66, 65, 64, 63, 62, 61, 60, 59, - - 67, 68, 69, 70, -} - -var src = []byte{1, 2, 3, 4, 5, 6, 7, 8} -var res = []int32{0x01020304, 0x05060708} - -func checkResult(t *testing.T, dir string, order, err os.Error, have, want interface{}) { - if err != nil { - t.Errorf("%v %v: %v", dir, order, err) - return - } - if !reflect.DeepEqual(have, want) { - t.Errorf("%v %v:\n\thave %+v\n\twant %+v", dir, order, have, want) - } -} - -func testRead(t *testing.T, order ByteOrder, b []byte, s1 interface{}) { - var s2 Struct - err := Read(bytes.NewBuffer(b), order, &s2) - checkResult(t, "Read", order, err, s2, s1) -} - -func testWrite(t *testing.T, order ByteOrder, b []byte, s1 interface{}) { - buf := new(bytes.Buffer) - err := Write(buf, order, s1) - checkResult(t, "Write", order, err, buf.Bytes(), b) -} - -func TestBigEndianRead(t *testing.T) { testRead(t, BigEndian, big, s) } - -func TestLittleEndianRead(t *testing.T) { testRead(t, LittleEndian, little, s) } - -func TestBigEndianWrite(t *testing.T) { testWrite(t, BigEndian, big, s) } - -func TestLittleEndianWrite(t *testing.T) { testWrite(t, LittleEndian, little, s) } - -func TestBigEndianPtrWrite(t *testing.T) { testWrite(t, BigEndian, big, &s) } - -func TestLittleEndianPtrWrite(t *testing.T) { testWrite(t, LittleEndian, little, &s) } - -func TestReadSlice(t *testing.T) { - slice := make([]int32, 2) - err := Read(bytes.NewBuffer(src), BigEndian, slice) - checkResult(t, "ReadSlice", BigEndian, err, slice, res) -} - -func TestWriteSlice(t *testing.T) { - buf := new(bytes.Buffer) - err := Write(buf, BigEndian, res) - checkResult(t, "WriteSlice", BigEndian, err, buf.Bytes(), src) -} - -func TestWriteT(t *testing.T) { - buf := new(bytes.Buffer) - ts := T{} - err := Write(buf, BigEndian, ts) - if err == nil { - t.Errorf("WriteT: have nil, want non-nil") - } - - tv := reflect.Indirect(reflect.ValueOf(ts)) - for i, n := 0, tv.NumField(); i < n; i++ { - err = Write(buf, BigEndian, tv.Field(i).Interface()) - if err == nil { - t.Errorf("WriteT.%v: have nil, want non-nil", tv.Field(i).Type()) - } - } -} - -type byteSliceReader struct { - remain []byte -} - -func (br *byteSliceReader) Read(p []byte) (int, os.Error) { - n := copy(p, br.remain) - br.remain = br.remain[n:] - return n, nil -} - -func BenchmarkRead(b *testing.B) { - var ls Struct - bsr := &byteSliceReader{} - var r io.Reader = bsr - - for i := 0; i < b.N; i++ { - bsr.remain = big - Read(r, BigEndian, &ls.Int8) - Read(r, BigEndian, &ls.Int16) - Read(r, BigEndian, &ls.Int32) - Read(r, BigEndian, &ls.Int64) - Read(r, BigEndian, &ls.Uint8) - Read(r, BigEndian, &ls.Uint16) - Read(r, BigEndian, &ls.Uint32) - Read(r, BigEndian, &ls.Uint64) - } - - want := s - want.Float32 = 0 - want.Float64 = 0 - want.Complex64 = 0 - want.Complex128 = 0 - for i := range want.Array { - want.Array[i] = 0 - } - if !reflect.DeepEqual(ls, want) { - panic("no match") - } -} - -func BenchmarkWrite(b *testing.B) { - buf := new(bytes.Buffer) - var w io.Writer = buf - - for i := 0; i < b.N; i++ { - buf.Reset() - Write(w, BigEndian, &s.Int8) - Write(w, BigEndian, &s.Int16) - Write(w, BigEndian, &s.Int32) - Write(w, BigEndian, &s.Int64) - Write(w, BigEndian, &s.Uint8) - Write(w, BigEndian, &s.Uint16) - Write(w, BigEndian, &s.Uint32) - Write(w, BigEndian, &s.Uint64) - Write(w, BigEndian, s.Int8) - Write(w, BigEndian, s.Int16) - Write(w, BigEndian, s.Int32) - Write(w, BigEndian, s.Int64) - Write(w, BigEndian, s.Uint8) - Write(w, BigEndian, s.Uint16) - Write(w, BigEndian, s.Uint32) - Write(w, BigEndian, s.Uint64) - } - - if !bytes.Equal(buf.Bytes()[:30], big[:30]) { - panic("first half doesn't match") - } - if !bytes.Equal(buf.Bytes()[30:], big[:30]) { - panic("second half doesn't match") - } -} |