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Diffstat (limited to 'libgo/go/encoding/binary/binary_test.go')
-rw-r--r--libgo/go/encoding/binary/binary_test.go80
1 files changed, 68 insertions, 12 deletions
diff --git a/libgo/go/encoding/binary/binary_test.go b/libgo/go/encoding/binary/binary_test.go
index 7fd36fa4ef..fc7f2765ef 100644
--- a/libgo/go/encoding/binary/binary_test.go
+++ b/libgo/go/encoding/binary/binary_test.go
@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// 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.
@@ -27,6 +27,8 @@ type Struct struct {
Complex64 complex64
Complex128 complex128
Array [4]uint8
+ Bool bool
+ BoolArray [4]bool
}
type T struct {
@@ -58,6 +60,9 @@ var s = Struct{
),
[4]uint8{0x43, 0x44, 0x45, 0x46},
+
+ true,
+ [4]bool{true, false, true, false},
}
var big = []byte{
@@ -76,6 +81,9 @@ var big = []byte{
51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
67, 68, 69, 70,
+
+ 1,
+ 1, 0, 1, 0,
}
var little = []byte{
@@ -94,6 +102,9 @@ var little = []byte{
58, 57, 56, 55, 54, 53, 52, 51, 66, 65, 64, 63, 62, 61, 60, 59,
67, 68, 69, 70,
+
+ 1,
+ 1, 0, 1, 0,
}
var src = []byte{1, 2, 3, 4, 5, 6, 7, 8}
@@ -141,6 +152,25 @@ func TestWriteSlice(t *testing.T) {
checkResult(t, "WriteSlice", BigEndian, err, buf.Bytes(), src)
}
+func TestReadBool(t *testing.T) {
+ var res bool
+ var err error
+ err = Read(bytes.NewReader([]byte{0}), BigEndian, &res)
+ checkResult(t, "ReadBool", BigEndian, err, res, false)
+ res = false
+ err = Read(bytes.NewReader([]byte{1}), BigEndian, &res)
+ checkResult(t, "ReadBool", BigEndian, err, res, true)
+ res = false
+ err = Read(bytes.NewReader([]byte{2}), BigEndian, &res)
+ checkResult(t, "ReadBool", BigEndian, err, res, true)
+}
+
+func TestReadBoolSlice(t *testing.T) {
+ slice := make([]bool, 4)
+ err := Read(bytes.NewReader([]byte{0, 1, 2, 255}), BigEndian, slice)
+ checkResult(t, "ReadBoolSlice", BigEndian, err, slice, []bool{false, true, true, true})
+}
+
// Addresses of arrays are easier to manipulate with reflection than are slices.
var intArrays = []interface{}{
&[100]int8{},
@@ -266,7 +296,7 @@ func TestBlankFields(t *testing.T) {
}
// An attempt to read into a struct with an unexported field will
-// panic. This is probably not the best choice, but at this point
+// panic. This is probably not the best choice, but at this point
// anything else would be an API change.
type Unexported struct {
@@ -339,6 +369,33 @@ func TestReadTruncated(t *testing.T) {
}
}
+func testUint64SmallSliceLengthPanics() (panicked bool) {
+ defer func() {
+ panicked = recover() != nil
+ }()
+ b := [8]byte{1, 2, 3, 4, 5, 6, 7, 8}
+ LittleEndian.Uint64(b[:4])
+ return false
+}
+
+func testPutUint64SmallSliceLengthPanics() (panicked bool) {
+ defer func() {
+ panicked = recover() != nil
+ }()
+ b := [8]byte{}
+ LittleEndian.PutUint64(b[:4], 0x0102030405060708)
+ return false
+}
+
+func TestEarlyBoundsChecks(t *testing.T) {
+ if testUint64SmallSliceLengthPanics() != true {
+ t.Errorf("binary.LittleEndian.Uint64 expected to panic for small slices, but didn't")
+ }
+ if testPutUint64SmallSliceLengthPanics() != true {
+ t.Errorf("binary.LittleEndian.PutUint64 expected to panic for small slices, but didn't")
+ }
+}
+
type byteSliceReader struct {
remain []byte
}
@@ -373,8 +430,8 @@ func BenchmarkReadStruct(b *testing.B) {
Read(bsr, BigEndian, &t)
}
b.StopTimer()
- if !reflect.DeepEqual(s, t) {
- b.Fatal("no match")
+ if b.N > 0 && !reflect.DeepEqual(s, t) {
+ b.Fatalf("struct doesn't match:\ngot %v;\nwant %v", t, s)
}
}
@@ -395,18 +452,17 @@ func BenchmarkReadInts(b *testing.B) {
Read(r, BigEndian, &ls.Uint32)
Read(r, BigEndian, &ls.Uint64)
}
-
+ b.StopTimer()
want := s
want.Float32 = 0
want.Float64 = 0
want.Complex64 = 0
want.Complex128 = 0
- for i := range want.Array {
- want.Array[i] = 0
- }
- b.StopTimer()
- if !reflect.DeepEqual(ls, want) {
- panic("no match")
+ want.Array = [4]uint8{0, 0, 0, 0}
+ want.Bool = false
+ want.BoolArray = [4]bool{false, false, false, false}
+ if b.N > 0 && !reflect.DeepEqual(ls, want) {
+ b.Fatalf("struct doesn't match:\ngot %v;\nwant %v", ls, want)
}
}
@@ -427,7 +483,7 @@ func BenchmarkWriteInts(b *testing.B) {
Write(w, BigEndian, s.Uint64)
}
b.StopTimer()
- if !bytes.Equal(buf.Bytes(), big[:30]) {
+ if b.N > 0 && !bytes.Equal(buf.Bytes(), big[:30]) {
b.Fatalf("first half doesn't match: %x %x", buf.Bytes(), big[:30])
}
}