1 files changed, 109 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/github.com/10gen/openssl/sha256_test.go b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/sha256_test.go
new file mode 100644
index 00000000000..89df88afd44
--- /dev/null
+++ b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/sha256_test.go
@@ -0,0 +1,109 @@
+// Copyright (C) 2014 Space Monkey, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build cgo
+
+package openssl
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"io"
+	"testing"
+)
+
+func TestSHA256(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		buf := make([]byte, 10*1024-i)
+		if _, err := io.ReadFull(rand.Reader, buf); err != nil {
+			t.Fatal(err)
+		}
+
+		expected := sha256.Sum256(buf)
+		got, err := SHA256(buf)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if expected != got {
+			t.Fatal("exp:%x got:%x", expected, got)
+		}
+	}
+}
+
+func TestSHA256Writer(t *testing.T) {
+	ohash, err := NewSHA256Hash()
+	if err != nil {
+		t.Fatal(err)
+	}
+	hash := sha256.New()
+
+	for i := 0; i < 100; i++ {
+		if err := ohash.Reset(); err != nil {
+			t.Fatal(err)
+		}
+		hash.Reset()
+		buf := make([]byte, 10*1024-i)
+		if _, err := io.ReadFull(rand.Reader, buf); err != nil {
+			t.Fatal(err)
+		}
+
+		if _, err := ohash.Write(buf); err != nil {
+			t.Fatal(err)
+		}
+		if _, err := hash.Write(buf); err != nil {
+			t.Fatal(err)
+		}
+
+		var got, exp [32]byte
+
+		hash.Sum(exp[:0])
+		got, err := ohash.Sum()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if got != exp {
+			t.Fatal("exp:%x got:%x", exp, got)
+		}
+	}
+}
+
+func benchmarkSHA256(b *testing.B, length int64, fn shafunc) {
+	buf := make([]byte, length)
+	if _, err := io.ReadFull(rand.Reader, buf); err != nil {
+		b.Fatal(err)
+	}
+	b.SetBytes(length)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		fn(buf)
+	}
+}
+
+func BenchmarkSHA256Large_openssl(b *testing.B) {
+	benchmarkSHA256(b, 1024*1024, func(buf []byte) { SHA256(buf) })
+}
+
+func BenchmarkSHA256Large_stdlib(b *testing.B) {
+	benchmarkSHA256(b, 1024*1024, func(buf []byte) { sha256.Sum256(buf) })
+}
+
+func BenchmarkSHA256Small_openssl(b *testing.B) {
+	benchmarkSHA256(b, 1, func(buf []byte) { SHA256(buf) })
+}
+
+func BenchmarkSHA256Small_stdlib(b *testing.B) {
+	benchmarkSHA256(b, 1, func(buf []byte) { sha256.Sum256(buf) })
+}