[node] Fix typo when parsing string in c bindings

tfjs-node/binding/utils.h

@@ -316,7 +316,7 @@ inline std::vector<const char *> splitStringByComma(const std::string &str) {
     std::string token = str.substr(prev, pos - prev);
     if (!token.empty()) {
       char *cstr = new char[str.length() + 1];
-      std::strcpy(cstr, str.c_str());
+      std::strcpy(cstr, token.c_str());
       tokens.push_back(cstr);
     }
     prev = pos + 1;

tfjs-node/src/saved_model_test.ts

@@ -428,4 +428,23 @@ describe('SavedModel', () => {
     model1.dispose();
     model2.dispose();
   });
+
+  it('execute model with multiple inputs and outputs', async () => {
+    const model = await tf.node.loadSavedModel(
+        './test_objects/saved_model/model_multi_output', ['serve'],
+        'serving_default');
+    const input1 = tf.tensor1d([1, 2, 3], 'int32');
+    const input2 = tf.tensor1d([1, 2, 3], 'int32');
+    const output =
+        model.predict({'x': input1, 'y': input2}) as tf.NamedTensorMap;
+    const output1 = output['output_0'];
+    const output2 = output['output_1'];
+    expect(output1.shape).toEqual(input1.shape);
+    expect(output1.dtype).toBe(input1.dtype);
+    expect(output2.shape).toEqual(input2.shape);
+    expect(output2.dtype).toBe(input2.dtype);
+    test_util.expectArraysClose(await output1.data(), [2, 4, 6]);
+    test_util.expectArraysClose(await output2.data(), [1, 2, 3]);
+    model.dispose();
+  });
 });