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authorIan Lance Taylor <ian@gcc.gnu.org>2011-09-16 15:47:21 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2011-09-16 15:47:21 +0000
commitadb0401dac41c81571722312d4586b2693f95aa6 (patch)
treeea2b52e3c258d6b6d9356977c683c7f72a4a5fd5 /libgo/go/encoding/binary/binary_test.go
parent5548ca3540bccbc908a45942896d635ea5f1c23f (diff)
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Update Go library to r60.
From-SVN: r178910
Diffstat (limited to 'libgo/go/encoding/binary/binary_test.go')
-rw-r--r--libgo/go/encoding/binary/binary_test.go73
1 files changed, 73 insertions, 0 deletions
diff --git a/libgo/go/encoding/binary/binary_test.go b/libgo/go/encoding/binary/binary_test.go
index 7857c68..b266996 100644
--- a/libgo/go/encoding/binary/binary_test.go
+++ b/libgo/go/encoding/binary/binary_test.go
@@ -5,6 +5,7 @@
package binary
import (
+ "io"
"os"
"bytes"
"math"
@@ -160,3 +161,75 @@ func TestWriteT(t *testing.T) {
}
}
}
+
+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")
+ }
+}