diff --git a/webnn/validation_tests/conv2d.https.any.js b/webnn/validation_tests/conv2d.https.any.js
index c38174e6169fcbf..7dac654951b7781 100644
--- a/webnn/validation_tests/conv2d.https.any.js
+++ b/webnn/validation_tests/conv2d.https.any.js
@@ -210,6 +210,11 @@ const tests = [
     input: {dataType: 'float32', dimensions: [1, 5, 5]},
     filter: {dataType: 'float32', dimensions: [1, 2, 2, 1]},
   },
+  {
+    name: '[conv2d] Throw if the input data type is not floating point.',
+    input: {dataType: 'int32', dimensions: [1, 1, 5, 5]},
+    filter: {dataType: 'int32', dimensions: [1, 1, 2, 2]},
+  },
   {
     name: '[conv2d] Throw if the filter is not a 4-D tensor.',
     input: {dataType: 'float32', dimensions: [1, 1, 5, 5]},
diff --git a/webnn/validation_tests/convTranspose2d.https.any.js b/webnn/validation_tests/convTranspose2d.https.any.js
index 3c3c49566439da0..02822c52749e8c6 100644
--- a/webnn/validation_tests/convTranspose2d.https.any.js
+++ b/webnn/validation_tests/convTranspose2d.https.any.js
@@ -195,6 +195,12 @@ const tests = [
     input: {dataType: 'float32', dimensions: [1, 5, 5]},
     filter: {dataType: 'float32', dimensions: [1, 1, 2, 2]},
   },
+  {
+    name:
+        '[convTranspose2d] Throw if the input data type is not floating point.',
+    input: {dataType: 'int32', dimensions: [1, 1, 5, 5]},
+    filter: {dataType: 'int32', dimensions: [1, 1, 2, 2]},
+  },
   {
     name: '[convTranspose2d] Throw if the filter is not a 4-D tensor.',
     input: {dataType: 'float32', dimensions: [1, 1, 5, 5]},