Function TEST

tensorflow/core/framework/tensor_util_test.cc:31–66

namespace {

TEST(TensorUtil, DeepCopy0d) {
  Tensor x(DT_FLOAT, TensorShape({}));
  x.scalar<float>()() = 10.0;

  // Make y a deep copy of x and then change it.
  Tensor y = tensor::DeepCopy(x);
  y.scalar<float>()() = 20.0;

  // x doesn't change
  EXPECT_EQ(10.0, x.scalar<float>()());

  // Change x.
  x.scalar<float>()() = 30.0;

  // Y doesn't change.
  EXPECT_EQ(20.0, y.scalar<float>()());

  Tensor z = tensor::DeepCopy(y);

  // Change y.
  y.scalar<float>()() = 40.0;

  // The final states should all be different.
  EXPECT_EQ(20.0, z.scalar<float>()());
  EXPECT_EQ(30.0, x.scalar<float>()());
  EXPECT_EQ(40.0, y.scalar<float>()());

  // Should have the same shape and type.
  EXPECT_EQ(TensorShape({}), x.shape());
  EXPECT_EQ(TensorShape({}), y.shape());
  EXPECT_EQ(TensorShape({}), z.shape());

  EXPECT_EQ(DT_FLOAT, x.dtype());
  EXPECT_EQ(DT_FLOAT, y.dtype());
  EXPECT_EQ(DT_FLOAT, z.dtype());
}

TEST(TensorUtil, DeepCopyZeroElements) {
  Tensor x;