rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/bpool/bpool_test.go

@@ -0,0 +1,91 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package bpool
+
+import "testing"
+
+// Tests - bytePool functionality.
+func TestBytePool(t *testing.T) {
+	var size = 4
+	var width = 10
+	var capWidth = 16
+
+	bufPool := NewBytePoolCap(size, width, capWidth)
+
+	// Check the width
+	if bufPool.Width() != width {
+		t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
+	}
+
+	// Check with width cap
+	if bufPool.WidthCap() != capWidth {
+		t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
+	}
+
+	// Check that retrieved buffer are of the expected width
+	b := bufPool.Get()
+	if len(b) != width {
+		t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
+	}
+	if cap(b) != capWidth {
+		t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
+	}
+
+	bufPool.Put(b)
+
+	// Fill the pool beyond the capped pool size.
+	for i := 0; i < size*2; i++ {
+		bufPool.Put(make([]byte, bufPool.w))
+	}
+
+	b = bufPool.Get()
+	if len(b) != width {
+		t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
+	}
+	if cap(b) != capWidth {
+		t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
+	}
+
+	bufPool.Put(b)
+
+	// Close the channel so we can iterate over it.
+	close(bufPool.c)
+
+	// Check the size of the pool.
+	if len(bufPool.c) != size {
+		t.Fatalf("bytepool size invalid: got %v want %v", len(bufPool.c), size)
+	}
+
+	bufPoolNoCap := NewBytePoolCap(size, width, 0)
+	// Check the width
+	if bufPoolNoCap.Width() != width {
+		t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
+	}
+
+	// Check with width cap
+	if bufPoolNoCap.WidthCap() != 0 {
+		t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), 0)
+	}
+	b = bufPoolNoCap.Get()
+	if len(b) != width {
+		t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
+	}
+	if cap(b) != width {
+		t.Fatalf("bytepool length invalid: got %v want %v", cap(b), width)
+	}
+}