1 files changed, 42 insertions, 0 deletions
diff --git a/pkg/segment/test/set_functions.go b/pkg/segment/test/set_functions.go
new file mode 100644
index 000000000..37c196ea1
--- /dev/null
+++ b/pkg/segment/test/set_functions.go
@@ -0,0 +1,42 @@
+// Copyright 2018 Google 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.
+
+package segment
+
+// Basic numeric constants that we define because the math package doesn't.
+// TODO: These should be Math.MaxInt64/MinInt64?
+const (
+	maxInt = int(^uint(0) >> 1)
+	minInt = -maxInt - 1
+)
+
+type setFunctions struct{}
+
+func (setFunctions) MinKey() int {
+	return minInt
+}
+
+func (setFunctions) MaxKey() int {
+	return maxInt
+}
+
+func (setFunctions) ClearValue(*int) {}
+
+func (setFunctions) Merge(_ Range, val1 int, _ Range, _ int) (int, bool) {
+	return val1, true
+}
+
+func (setFunctions) Split(_ Range, val int, _ int) (int, int) {
+	return val, val
+}