1 files changed, 51 insertions, 0 deletions
diff --git a/pkg/buffer/pool_test.go b/pkg/buffer/pool_test.go
new file mode 100644
index 000000000..8584bac89
--- /dev/null
+++ b/pkg/buffer/pool_test.go
@@ -0,0 +1,51 @@
+// Copyright 2020 The gVisor 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 buffer
+
+import (
+	"testing"
+)
+
+func TestGetDefaultBufferSize(t *testing.T) {
+	var p pool
+	for i := 0; i < embeddedCount*2; i++ {
+		buf := p.get()
+		if got, want := len(buf.data), defaultBufferSize; got != want {
+			t.Errorf("#%d len(buf.data) = %d, want %d", i, got, want)
+		}
+	}
+}
+
+func TestGetCustomBufferSize(t *testing.T) {
+	const size = 100
+
+	var p pool
+	p.setBufferSize(size)
+	for i := 0; i < embeddedCount*2; i++ {
+		buf := p.get()
+		if got, want := len(buf.data), size; got != want {
+			t.Errorf("#%d len(buf.data) = %d, want %d", i, got, want)
+		}
+	}
+}
+
+func TestPut(t *testing.T) {
+	var p pool
+	buf := p.get()
+	p.put(buf)
+	if buf.data != nil {
+		t.Errorf("buf.data = %x, want nil", buf.data)
+	}
+}