Perf tests for Template Literals

test/js-perf-test/Templates/templates.js

+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+new BenchmarkSuite('Untagged', [1000], [
+  new Benchmark('Untagged-Simple', false, false, 0,
+                Untagged, UntaggedSetup, UntaggedTearDown),
+]);
+
+new BenchmarkSuite('LargeUntagged', [1000], [
+  new Benchmark('Untagged-Large', false, false, 0,
+                UntaggedLarge, UntaggedLargeSetup, UntaggedLargeTearDown),
+]);
+
+new BenchmarkSuite('Tagged', [1000], [
+  new Benchmark('TaggedRawSimple', false, false, 0,
+                TaggedRaw, TaggedRawSetup, TaggedRawTearDown),
+]);
+
+var result;
+var SUBJECT = 'Bob';
+var TARGET = 'Mary';
+var OBJECT = 'apple';
+
+function UntaggedSetup() {
+  result = undefined;
+}
+
+function Untagged() {
+  result = `${SUBJECT} gives ${TARGET} an ${OBJECT}.`;
+}
+
+function UntaggedTearDown() {
+  var expected = '' + SUBJECT + ' gives ' + TARGET + ' an ' + OBJECT + '.';
+  return result === expected;
+}
+
+
+// ----------------------------------------------------------------------------
+
+function UntaggedLargeSetup() {
+  result = undefined;
+}
+
+function UntaggedLarge() {
+  result = `Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus
+ aliquam, elit euismod vestibulum ${0}lacinia, arcu odio sagittis mauris, id
+ blandit dolor felis pretium nisl. Maecenas porttitor, nunc ut accumsan mollis,
+ arcu metus rutrum arcu, ${1}ut varius dolor lorem nec risus. Integer convallis
+ tristique ante, non pretium ante suscipit at. Sed egestas massa enim, convallis
+ fermentum neque vehicula ac. Donec imperdiet a tortor ac semper. Morbi accumsan
+ quam nec erat viverra iaculis. ${2}Donec a scelerisque cras amet.`;
+}
+
+function UntaggedLargeTearDown() {
+  var expected = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. " +
+      "Vivamus\n aliquam, elit euismod vestibulum " + 0 + "lacinia, arcu odio" +
+      " sagittis mauris, id\n blandit dolor felis pretium nisl. Maecenas " +
+      "porttitor, nunc ut accumsan mollis,\n arcu metus rutrum arcu, " + 1 +
+      "ut varius dolor lorem nec risus. Integer convallis\n tristique ante, " +
+      "non pretium ante suscipit at. Sed egestas massa enim, convallis\n " +
+      "fermentum neque vehicula ac. Donec imperdiet a tortor ac semper. Morbi" +
+      " accumsan\n quam nec erat viverra iaculis. " + 2 + "Donec a " +
+      "scelerisque cras amet.";
+  return result === expected;
+}
+
+
+// ----------------------------------------------------------------------------
+
+
+function TaggedRawSetup() {
+  result = undefined;
+}
+
+function TaggedRaw() {
+  result = String.raw `${SUBJECT} gives ${TARGET} an ${OBJECT} \ud83c\udf4f.`;
+}
+
+function TaggedRawTearDown() {
+  var expected =
+      '' + SUBJECT + ' gives ' + TARGET + ' an ' + OBJECT + ' \\ud83c\\udf4f.';
+  return result === expected;
+}
+
+
+// ----------------------------------------------------------------------------