Go: Support setting shape valued attributes.

Fixes #6833
Change: 144752893

1 files changed, 83 insertions, 0 deletions

diff --git a/tensorflow/go/shape_test.go b/tensorflow/go/shape_test.go
new file mode 100644
index 0000000000..f8f3d4e94b
--- /dev/null
+++ b/tensorflow/go/shape_test.go
@@ -0,0 +1,83 @@
+// Copyright 2016 The TensorFlow Authors. 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 tensorflow
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func TestShape(t *testing.T) {
+	tests := []struct {
+		shape Shape
+		slice []int64
+		full  bool
+		str   string
+	}{
+		{
+			shape: ScalarShape(),
+			slice: make([]int64, 0),
+			full:  true,
+			str:   "[]",
+		},
+		{
+			shape: MakeShape(-1, 2, -1, 4),
+			slice: []int64{-1, 2, -1, 4},
+			full:  false,
+			str:   "[?, 2, ?, 4]",
+		},
+		{
+			shape: MakeShape(2, 3),
+			slice: []int64{2, 3},
+			full:  true,
+			str:   "[2, 3]",
+		},
+	}
+	for _, test := range tests {
+		t.Run(fmt.Sprintf("%#v", test.shape), func(t *testing.T) {
+			if got, want := test.shape.NumDimensions(), len(test.slice); got != want {
+				t.Errorf("Got %v, want %v", got, want)
+			}
+			if gotSlice, err := test.shape.ToSlice(); err != nil || !reflect.DeepEqual(gotSlice, test.slice) {
+				t.Errorf("Got (%#v, %v), want (%#v, nil)", gotSlice, err, test.slice)
+			}
+			if got, want := test.shape.IsFullySpecified(), test.full; got != want {
+				t.Errorf("Got %v, want %v", got, want)
+			}
+			if got, want := test.shape.String(), test.str; got != want {
+				t.Errorf("Got %v, want %v", got, want)
+			}
+		})
+	}
+
+}
+
+func TestZeroShape(t *testing.T) {
+	var s Shape
+	if s.NumDimensions() != -1 {
+		t.Error(s.NumDimensions())
+	}
+	if _, err := s.ToSlice(); err == nil {
+		t.Error("ToSlice() on a Shape of unknown number of dimensions should fail")
+	}
+	if s.IsFullySpecified() {
+		t.Error("Shape of unknown number of dimensions should not be fully specified")
+	}
+	if got, want := s.String(), "?"; got != want {
+		t.Errorf("Got %q, want %q", got, want)
+	}
+
+}