1 files changed, 20 insertions, 0 deletions
diff --git a/tensorflow/core/ops/math_grad_test.cc b/tensorflow/core/ops/math_grad_test.cc
index 38813b3f2b..aa9706a328 100644
--- a/tensorflow/core/ops/math_grad_test.cc
+++ b/tensorflow/core/ops/math_grad_test.cc
@@ -495,6 +495,26 @@ TEST_F(MathGradTest, Log1p) {
   test::ExpectClose(ans, dx);
 }
 
+TEST_F(MathGradTest, Sinh) {
+  auto x = test::AsTensor<float>({-3.f, -2.f, -1.f, 1.f, 2.f, 3.f},
+                                 TensorShape({2, 3}));
+  auto g = [](float x) { return std::cosh(x); };
+  auto dx = test::AsTensor<float>(
+      {g(-3.f), g(-2.f), g(-1.f), g(1.f), g(2.f), g(3.f)}, TensorShape({2, 3}));
+  auto ans = SymGrad("Sinh", x);
+  test::ExpectClose(ans, dx);
+}
+
+TEST_F(MathGradTest, Cosh) {
+  auto x = test::AsTensor<float>({-3.f, -2.f, -1.f, 1.f, 2.f, 3.f},
+                                 TensorShape({2, 3}));
+  auto g = [](float x) { return std::sinh(x); };
+  auto dx = test::AsTensor<float>(
+      {g(-3.f), g(-2.f), g(-1.f), g(1.f), g(2.f), g(3.f)}, TensorShape({2, 3}));
+  auto ans = SymGrad("Cosh", x);
+  test::ExpectClose(ans, dx);
+}
+
 TEST_F(MathGradTest, Tanh) {
   auto x = test::AsTensor<float>({-3.f, -2.f, -1.f, 1.f, 2.f, 3.f},
                                  TensorShape({2, 3}));