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benchmark/buffers/buffer-indexof.js

@@ -0,0 +1,54 @@
+'use strict';
+const common = require('../common.js');
+const fs = require('fs');
+const path = require('path');
+
+const searchStrings = [
+  '@',
+  'SQ',
+  '--l',
+  'Alice',
+  'Gryphon',
+  'Ou est ma chatte?',
+  'found it very',
+  'neighbouring pool',
+  'aaaaaaaaaaaaaaaaa',
+  'venture to go near the house till she had brought herself down to',
+  '</i> to the Caterpillar',
+];
+
+const bench = common.createBenchmark(main, {
+  search: searchStrings,
+  encoding: ['undefined', 'utf8', 'ucs2'],
+  type: ['buffer', 'string'],
+  n: [5e4],
+}, {
+  combinationFilter: (p) => {
+    return (p.type === 'buffer' && p.encoding === 'undefined') ||
+           (p.type !== 'buffer' && p.encoding !== 'undefined');
+  },
+});
+
+function main({ n, search, encoding, type }) {
+  let aliceBuffer = fs.readFileSync(
+    path.resolve(__dirname, '../fixtures/alice.html'),
+  );
+
+  if (encoding === 'undefined') {
+    encoding = undefined;
+  }
+
+  if (encoding === 'ucs2') {
+    aliceBuffer = Buffer.from(aliceBuffer.toString(), encoding);
+  }
+
+  if (type === 'buffer') {
+    search = Buffer.from(Buffer.from(search).toString(), encoding);
+  }
+
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    aliceBuffer.indexOf(search, 0, encoding);
+  }
+  bench.end(n);
+}