1 files changed, 64 insertions, 0 deletions
diff --git a/pkg/v1/random/index_test.go b/pkg/v1/random/index_test.go
new file mode 100644
index 0000000..73e744b
--- /dev/null
+++ b/pkg/v1/random/index_test.go
@@ -0,0 +1,64 @@
+// 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 random
+
+import (
+	"testing"
+
+	"github.com/google/go-containerregistry/pkg/v1/types"
+	"github.com/google/go-containerregistry/pkg/v1/validate"
+)
+
+func TestRandomIndex(t *testing.T) {
+	ii, err := Index(1024, 5, 3)
+	if err != nil {
+		t.Fatalf("Error loading index: %v", err)
+	}
+
+	if err := validate.Index(ii); err != nil {
+		t.Errorf("validate.Index() = %v", err)
+	}
+
+	digest, err := ii.Digest()
+	if err != nil {
+		t.Fatalf("Digest(): unexpected err: %v", err)
+	}
+
+	if _, err := ii.Image(digest); err == nil {
+		t.Errorf("Image(%s): expected err, got nil", digest)
+	}
+
+	if _, err := ii.ImageIndex(digest); err == nil {
+		t.Errorf("ImageIndex(%s): expected err, got nil", digest)
+	}
+
+	mt, err := ii.MediaType()
+	if err != nil {
+		t.Errorf("MediaType(): unexpected err: %v", err)
+	}
+
+	if got, want := mt, types.OCIImageIndex; got != want {
+		t.Errorf("MediaType(): got: %v, want: %v", got, want)
+	}
+
+	man, err := ii.IndexManifest()
+	if err != nil {
+		t.Errorf("IndexManifest(): unexpected err: %v", err)
+	}
+
+	if got, want := man.MediaType, types.OCIImageIndex; got != want {
+		t.Errorf("MediaType: got: %v, want: %v", got, want)
+	}
+}