1 files changed, 66 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webnn/validation_tests/slice.https.any.js b/testing/web-platform/tests/webnn/validation_tests/slice.https.any.js
index a45ecd3fcb..de42621610 100644
--- a/testing/web-platform/tests/webnn/validation_tests/slice.https.any.js
+++ b/testing/web-platform/tests/webnn/validation_tests/slice.https.any.js
@@ -13,3 +13,69 @@ multi_builder_test(async (t, builder, otherBuilder) => {
   assert_throws_js(
       TypeError, () => builder.slice(inputFromOtherBuilder, starts, sizes));
 }, '[slice] throw if input is from another builder');
+
+const tests = [
+  {
+    name: '[slice] Test with starts=[0, 1, 2] and sizes=[1, 2, 3].',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [0, 1, 2],
+    sizes: [1, 2, 3],
+    output: {dataType: 'float32', dimensions: [1, 2, 3]}
+  },
+  {
+    name: '[slice] Throw if input is a scalar.',
+    input: {dataType: 'float32', dimensions: []},
+    starts: [0],
+    sizes: [1]
+  },
+  {
+    name:
+        '[slice] Throw if the length of sizes is not equal to the rank of the input tensor.',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [1, 2, 3],
+    sizes: [1, 1]
+  },
+  {
+    name:
+        '[slice] Throw if the length of starts is not equal to the rank of the input tensor.',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [1, 2, 1, 3],
+    sizes: [1, 1, 1]
+  },
+  {
+    name:
+        '[slice] Throw if the starting index is equal to or greater than input size in the same dimension.',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [0, 4, 4],
+    sizes: [1, 1, 1]
+  },
+  {
+    name: '[slice] Throw if the number of elements to slice is equal to 0.',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [1, 2, 3],
+    sizes: [1, 0, 1]
+  },
+  {
+    name:
+        '[slice] Throw if the ending index to slice is greater than input size in the same dimension.',
+    input: {dataType: 'float32', dimensions: [3, 4, 5]},
+    starts: [0, 1, 2],
+    sizes: [3, 4, 1]
+  },
+];
+
+tests.forEach(
+    test => promise_test(async t => {
+      const input = builder.input(
+          'input',
+          {dataType: test.input.dataType, dimensions: test.input.dimensions});
+
+      if (test.output) {
+        const output = builder.slice(input, test.starts, test.sizes);
+        assert_equals(output.dataType(), test.output.dataType);
+        assert_array_equals(output.shape(), test.output.dimensions);
+      } else {
+        assert_throws_js(
+            TypeError, () => builder.slice(input, test.starts, test.sizes));
+      }
+    }, test.name));