1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webnn/validation_tests/gather.https.any.js b/testing/web-platform/tests/webnn/validation_tests/gather.https.any.js
new file mode 100644
index 0000000000..67ac7d7be3
--- /dev/null
+++ b/testing/web-platform/tests/webnn/validation_tests/gather.https.any.js
@@ -0,0 +1,62 @@
+// META: title=validation tests for WebNN API gather operation
+// META: global=window,dedicatedworker
+// META: script=../resources/utils_validation.js
+// META: timeout=long
+
+'use strict';
+
+const tests = [
+  {
+    name: '[gather] Test gather with default options and 0-D indices',
+    input: {dataType: 'int32', dimensions: [3]},
+    indices: {dataType: 'uint64', dimensions: []},
+    output: {dataType: 'int32', dimensions: []}
+  },
+  {
+    name: '[gather] Test gather with axis = 2',
+    input: {dataType: 'float32', dimensions: [1, 2, 3, 4]},
+    indices: {dataType: 'int64', dimensions: [5, 6]},
+    axis: 2,
+    output: {dataType: 'float32', dimensions: [1, 2, 5, 6, 4]}
+  },
+  {
+    name: '[gather] TypeError is expected if the input is a scalar',
+    input: {dataType: 'float16', dimensions: []},
+    indices: {dataType: 'int64', dimensions: [1]}
+  },
+  {
+    name: '[gather] TypeError is expected if the axis is greater than the rank of input',
+    input: {dataType: 'float16', dimensions: [1, 2, 3]},
+    indices: {dataType: 'int32', dimensions: [5, 6]},
+    axis: 4
+  },
+  {
+    name: '[gather] TypeError is expected if the data type of indices is invalid',
+    input: {dataType: 'float16', dimensions: [1, 2, 3, 4]},
+    indices: {dataType: 'float32', dimensions: [5, 6]}
+  }
+];
+
+tests.forEach(
+    test => promise_test(async t => {
+      const input = builder.input(
+          'input',
+          {dataType: test.input.dataType, dimensions: test.input.dimensions});
+      const indices = builder.input(
+          'indices',
+          {dataType: test.indices.dataType, dimensions: test.indices.dimensions});
+
+      const options = {};
+      if (test.axis) {
+        options.axis = test.axis;
+      }
+
+      if (test.output) {
+        const output = builder.gather(input, indices, options);
+        assert_equals(output.dataType(), test.output.dataType);
+        assert_array_equals(output.shape(), test.output.dimensions);
+      } else {
+        assert_throws_js(
+            TypeError, () => builder.gather(input, indices, options));
+      }
+    }, test.name));