server: Move server files to 'server' directory.

26  git mv mvcc wal auth etcdserver etcdmain proxy embed/ lease/ server
   36  git mv go.mod go.sum server

server/mvcc/revision_test.go

@@ -0,0 +1,53 @@
+// Copyright 2015 The etcd Authors
+//
+// 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.
+
+package mvcc
+
+import (
+	"bytes"
+	"math"
+	"reflect"
+	"testing"
+)
+
+// TestRevision tests that revision could be encoded to and decoded from
+// bytes slice. Moreover, the lexicographical order of its byte slice representation
+// follows the order of (main, sub).
+func TestRevision(t *testing.T) {
+	tests := []revision{
+		// order in (main, sub)
+		{},
+		{main: 1, sub: 0},
+		{main: 1, sub: 1},
+		{main: 2, sub: 0},
+		{main: math.MaxInt64, sub: math.MaxInt64},
+	}
+
+	bs := make([][]byte, len(tests))
+	for i, tt := range tests {
+		b := newRevBytes()
+		revToBytes(tt, b)
+		bs[i] = b
+
+		if grev := bytesToRev(b); !reflect.DeepEqual(grev, tt) {
+			t.Errorf("#%d: revision = %+v, want %+v", i, grev, tt)
+		}
+	}
+
+	for i := 0; i < len(tests)-1; i++ {
+		if bytes.Compare(bs[i], bs[i+1]) >= 0 {
+			t.Errorf("#%d: %v (%+v) should be smaller than %v (%+v)", i, bs[i], tests[i], bs[i+1], tests[i+1])
+		}
+	}
+}