1 files changed, 113 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webnn/validation_tests/matmul.https.any.js b/testing/web-platform/tests/webnn/validation_tests/matmul.https.any.js
index 03616ddb01..8db16242c9 100644
--- a/testing/web-platform/tests/webnn/validation_tests/matmul.https.any.js
+++ b/testing/web-platform/tests/webnn/validation_tests/matmul.https.any.js
@@ -5,3 +5,116 @@
 'use strict';
 
 validateTwoInputsFromMultipleBuilders('matmul');
+
+const tests = [
+  {
+    name: '[matmul] Throw if first input\'s rank is less than 2',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2]},
+      b: {dataType: 'float32', dimensions: [2, 2]}
+    }
+  },
+  {
+    name: '[matmul] Throw if second input\'s rank is less than 2',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2, 2]},
+      b: {dataType: 'float32', dimensions: [2]}
+    }
+  },
+  {
+    name: '[matmul] Test with 2-D input and 4-D input',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [1, 4]},
+      b: {dataType: 'float32', dimensions: [2, 2, 4, 2]}
+    },
+    output: {dataType: 'float32', dimensions: [2, 2, 1, 2]}
+  },
+  {
+    name: '[matmul] Test with 2-D input and 2-D input',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [4, 2]},
+      b: {dataType: 'float32', dimensions: [2, 3]}
+    },
+    output: {dataType: 'float32', dimensions: [4, 3]}
+  },
+  {
+    // batchShape is a clone of inputShape with the spatial dimensions
+    // (last 2 items) removed.
+    name:
+        '[matmul] Test with 3-D input and 3-D input of broadcastable batchShape',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2, 3, 4]},
+      b: {dataType: 'float32', dimensions: [1, 4, 1]}
+    },
+    output: {dataType: 'float32', dimensions: [2, 3, 1]}
+  },
+  {
+    // batchShape is a clone of inputShape with the spatial dimensions
+    // (last 2 items) removed.
+    name:
+        '[matmul] Test with 4-D input and 3-D input of broadcastable batchShape',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2, 2, 3, 4]},
+      b: {dataType: 'float32', dimensions: [1, 4, 5]}
+    },
+    output: {dataType: 'float32', dimensions: [2, 2, 3, 5]}
+  },
+  {
+    name: '[matmul] Test with 3-D input and 3-D input',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2, 3, 4]},
+      b: {dataType: 'float32', dimensions: [2, 4, 5]}
+    },
+    output: {dataType: 'float32', dimensions: [2, 3, 5]}
+  },
+  {
+    name: '[matmul] Throw if the input data type is not floating point',
+    inputs: {
+      a: {dataType: 'uint32', dimensions: [2, 3, 4]},
+      b: {dataType: 'uint32', dimensions: [2, 4, 5]}
+    }
+  },
+  {
+    name: '[matmul] Throw if data type of two inputs don\'t match',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [2, 3, 4]},
+      b: {dataType: 'float16', dimensions: [2, 4, 5]}
+    }
+  },
+  {
+    name:
+        '[matmul] Throw if columns of first input\'s shape doesn\'t match the rows of second input\'s shape',
+    inputs: {
+      a: {dataType: 'float32', dimensions: /* [rows, columns] */[2, 3]},
+      b: {dataType: 'float32', dimensions: /* [rows, columns] */[2, 4]}
+    },
+  },
+  {
+    // batchShape is a clone of inputShape with the spatial dimensions
+    // (last 2 items) removed.
+    name: '[matmul] Throw if batchShapes aren\'t bidirectionally broadcastable',
+    inputs: {
+      a: {dataType: 'float32', dimensions: [3, 3, 4]},
+      b: {dataType: 'float32', dimensions: [2, 4, 1]}
+    },
+  },
+];
+
+tests.forEach(test => promise_test(async t => {
+                const inputA = builder.input('a', {
+                  dataType: test.inputs.a.dataType,
+                  dimensions: test.inputs.a.dimensions
+                });
+                const inputB = builder.input('b', {
+                  dataType: test.inputs.b.dataType,
+                  dimensions: test.inputs.b.dimensions
+                });
+                if (test.output) {
+                  const output = builder.matmul(inputA, inputB);
+                  assert_equals(output.dataType(), test.output.dataType);
+                  assert_array_equals(output.shape(), test.output.dimensions);
+                } else {
+                  assert_throws_js(
+                      TypeError, () => builder.matmul(inputA, inputB));
+                }
+              }, test.name));