1 files changed, 55 insertions, 0 deletions
diff --git a/pkg/v1/remote/mount_test.go b/pkg/v1/remote/mount_test.go
new file mode 100644
index 0000000..ad9b8f6
--- /dev/null
+++ b/pkg/v1/remote/mount_test.go
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC All Rights Reserved.
+//
+// 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 remote
+
+import (
+	"testing"
+
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/random"
+	"github.com/google/go-containerregistry/pkg/v1/validate"
+)
+
+func TestMountableImage(t *testing.T) {
+	img, err := random.Image(1024, 5)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ref, err := name.ParseReference("ubuntu")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	img = &mountableImage{
+		Image:     img,
+		Reference: ref,
+	}
+
+	if err := validate.Image(img); err != nil {
+		t.Errorf("Validate() = %v", err)
+	}
+
+	layers, err := img.Layers()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i, l := range layers {
+		if _, ok := l.(*MountableLayer); !ok {
+			t.Errorf("layers[%d] should be MountableLayer but isn't", i)
+		}
+	}
+}