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node_modules/node-addon-api/benchmark/property_descriptor.js

@@ -0,0 +1,37 @@
+const path = require('path');
+const Benchmark = require('benchmark');
+const addonName = path.basename(__filename, '.js');
+
+[ addonName, addonName + '_noexcept' ]
+  .forEach((addonName) => {
+    const rootAddon = require('bindings')({
+      bindings: addonName,
+      module_root: __dirname
+    });
+    delete rootAddon.path;
+    const getters = new Benchmark.Suite;
+    const setters = new Benchmark.Suite;
+    const maxNameLength = Object.keys(rootAddon)
+      .reduce((soFar, value) => Math.max(soFar, value.length), 0);
+
+    console.log(`\n${addonName}: `);
+
+    Object.keys(rootAddon).forEach((key) => {
+      getters.add(`${key} getter`.padStart(maxNameLength + 7), () => {
+        const x = rootAddon[key];
+      });
+      setters.add(`${key} setter`.padStart(maxNameLength + 7), () => {
+        rootAddon[key] = 5;
+      })
+    });
+
+    getters
+      .on('cycle', (event) => console.log(String(event.target)))
+      .run();
+
+    console.log('');
+
+    setters
+      .on('cycle', (event) => console.log(String(event.target)))
+      .run();
+  });