1 files changed, 13 insertions, 0 deletions
diff --git a/tensorflow/cc/gradients/nn_grad_test.cc b/tensorflow/cc/gradients/nn_grad_test.cc
index 70c9bd4e08..daa87546ec 100644
--- a/tensorflow/cc/gradients/nn_grad_test.cc
+++ b/tensorflow/cc/gradients/nn_grad_test.cc
@@ -57,6 +57,19 @@ TEST_F(NNGradTest, SoftmaxGrad) {
   RunTest(x, shape, y, shape);
 }
 
+TEST_F(NNGradTest, LogSoftmaxGrad) {
+  TensorShape shape({5, 3});
+  auto x = Placeholder(scope_, DT_FLOAT, Placeholder::Shape(shape));
+  auto y = LogSoftmax(scope_, x);
+  // Avoid numerical instability when computing finite differences.
+  Tensor x_init_value = test::AsTensor<float>(
+          {-0.9f, -0.7f, -0.5f, -0.3f, -0.1f,
+           0.1f, 0.3f, 0.5f, 0.7f, 0.8f,
+           -0.1f, 0.1f, 0.1f, 0.1f, 1.2f},
+          {5, 3});
+  RunTest(x, x_init_value, y, shape);
+}
+
 TEST_F(NNGradTest, ReluGrad) {
   TensorShape shape({5, 2});
   auto x = Placeholder(scope_, DT_FLOAT, Placeholder::Shape(shape));