1 files changed, 80 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webnn/validation_tests/split.https.any.js b/testing/web-platform/tests/webnn/validation_tests/split.https.any.js
index 38f3126603..6f7809744a 100644
--- a/testing/web-platform/tests/webnn/validation_tests/split.https.any.js
+++ b/testing/web-platform/tests/webnn/validation_tests/split.https.any.js
@@ -12,3 +12,83 @@ multi_builder_test(async (t, builder, otherBuilder) => {
   assert_throws_js(
       TypeError, () => builder.split(inputFromOtherBuilder, splits));
 }, '[split] throw if input is from another builder');
+
+const tests = [
+  {
+    name: '[split] Test with default options.',
+    input: {dataType: 'float32', dimensions: [2, 6]},
+    splits: [2],
+    outputs: [
+      {dataType: 'float32', dimensions: [2, 6]},
+    ]
+  },
+  {
+    name:
+        '[split] Test with a sequence of unsigned long splits and with options.axis = 1.',
+    input: {dataType: 'float32', dimensions: [2, 6]},
+    splits: [1, 2, 3],
+    options: {axis: 1},
+    outputs: [
+      {dataType: 'float32', dimensions: [2, 1]},
+      {dataType: 'float32', dimensions: [2, 2]},
+      {dataType: 'float32', dimensions: [2, 3]},
+    ]
+  },
+  {
+    name: '[split] Throw if splitting a scalar.',
+    input: {dataType: 'float32', dimensions: []},
+    splits: [2],
+  },
+  {
+    name: '[split] Throw if axis is larger than input rank.',
+    input: {dataType: 'float32', dimensions: [2, 6]},
+    splits: [2],
+    options: {
+      axis: 2,
+    }
+  },
+  {
+    name: '[split] Throw if splits is equal to 0.',
+    input: {dataType: 'float32', dimensions: [2, 6]},
+    splits: [0],
+    options: {
+      axis: 2,
+    }
+  },
+  {
+    name:
+        '[split] Throw if the splits can not evenly divide the dimension size of input along options.axis.',
+    input: {dataType: 'float32', dimensions: [2, 5]},
+    splits: [2],
+    options: {
+      axis: 1,
+    }
+  },
+  {
+    name:
+        '[split] Throw if the sum of splits sizes not equal to the dimension size of input along options.axis.',
+    input: {dataType: 'float32', dimensions: [2, 6]},
+    splits: [2, 2, 3],
+    options: {
+      axis: 1,
+    }
+  },
+];
+
+tests.forEach(
+    test => promise_test(async t => {
+      const input = builder.input(
+          'input',
+          {dataType: test.input.dataType, dimensions: test.input.dimensions});
+      if (test.outputs) {
+        const outputs = builder.split(input, test.splits, test.options);
+        assert_equals(outputs.length, test.outputs.length);
+        for (let i = 0; i < outputs.length; ++i) {
+          assert_equals(outputs[i].dataType(), test.outputs[i].dataType);
+          assert_array_equals(outputs[i].shape(), test.outputs[i].dimensions);
+        }
+      } else {
+        assert_throws_js(
+            TypeError, () => builder.split(input, test.splits, test.options));
+      }
+    }, test.name));