From e866ba7b763a2b58ee731b569b1a06b3ccfd228d Mon Sep 17 00:00:00 2001
From: DD <duncan.ding@intel.com>
Date: Tue, 1 Jun 2021 10:30:38 +0800
Subject: [PATCH] add invalid input type test case

---
 ngraph/test/type_prop/softplus.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/ngraph/test/type_prop/softplus.cpp b/ngraph/test/type_prop/softplus.cpp
index 7d6ddb49144..d0cec9fdd27 100644
--- a/ngraph/test/type_prop/softplus.cpp
+++ b/ngraph/test/type_prop/softplus.cpp
@@ -40,3 +40,23 @@ TEST(type_prop, softplus_partial_static_rank)
         (PartialShape{1, Dimension::dynamic(), 6})));
     ASSERT_TRUE(softplus_func->get_output_partial_shape(0).rank().is_static());
 }
+
+TEST(type_prop, softplus_invalid_element_type)
+{
+    auto data = make_shared<op::Parameter>(element::i32, Shape{2, 2});
+
+    try
+    {
+        auto softplus = make_shared<op::v4::SoftPlus>(data);
+        // Input element type is boolean
+        FAIL() << "Invalid int element type for input not detected";
+    }
+    catch (const NodeValidationFailure& error)
+    {
+        EXPECT_HAS_SUBSTRING(error.what(), "Input element type must be float");
+    }
+    catch (...)
+    {
+        FAIL() << "Numeric element type node validation check failed for unexpected reason";
+    }
+}