char scratch[64 /* big enough for test_data and more_test_data */] = {0};
  StringPiece result;
  status = read_file->Read(0, test_data.size() + more_test_data.size(), &result,
                           scratch);
  EXPECT_PRED2(UnimplementedOrReturnsCode, status, Code::OK);
  EXPECT_EQ(test_data + more_test_data, result);
  EXPECT_EQ(
      read_file->Read(test_data.size(), more_test_data.size(), &result, scratch)

      .SetShapeFn(tensorflow::shape_inference::UnknownShape)
ATTR_TEST_REGISTER_OP(string);
ATTR_TEST_REGISTER_OP(int);
ATTR_TEST_REGISTER_OP(float);
ATTR_TEST_REGISTER_OP(bool);
ATTR_TEST_REGISTER_OP(type);
ATTR_TEST_REGISTER_OP(shape);
ATTR_TEST_REGISTER_OP(tensor);
#undef ATTR_TEST_REGISTER_OP

class CApiAttributesTest : public ::testing::Test {
 protected:
  CApiAttributesTest()

  TFE_DeleteContext(ctx);
}
TEST(CAPI, TensorHandleSilentCopy) {
  TensorHandleSilentCopy(false, TFE_DEVICE_PLACEMENT_SILENT,
                         TFE_DEVICE_PLACEMENT_SILENT, false);
}
TEST(CAPI, TensorHandleSilentCopyAsync) {
  TensorHandleSilentCopy(true, TFE_DEVICE_PLACEMENT_SILENT,
                         TFE_DEVICE_PLACEMENT_SILENT, false);
}
TEST(CAPI, TensorHandleSilentCopyLocalPolicy) {

  VerifyFDefOutputs(fdef, M({{"test_loop_exit"}}));
  VerifyFDefEdges(fdef,
                  {{"feed1", "test_loop/Enter:0"},
                   {"test_loop/Enter:output:0", "test_loop/Merge:0"},
                   {"test_loop/Merge:output:0", "test_loop/Switch:0"},
                   {"test_loop/Switch:output_false:0", "test_loop/Exit:0"},
                   {"test_loop/Exit:output:0", "test_loop_exit"}},
                  {}, false);