[Intl] Add perf tests for case insensitive test

This is in preparation for the removal of Unibrow.

Bug: v8:8362
Change-Id: Icb969457e71d64d765eaf0fd1d0b8b9c6b6eb388
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1490572
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60042}

test/js-perf-test/RegExp.json

@@ -23,6 +23,7 @@
         "base_split.js",
         "base_test.js",
         "base.js",
+        "case_test.js",
         "ctor.js",
         "exec.js",
         "flags.js",
@@ -42,6 +43,7 @@
       ],
       "results_regexp": "^%s\\-RegExp\\(Score\\): (.+)$",
       "tests": [
+        {"name": "CaseInsensitiveTest"},
         {"name": "Ctor"},
         {"name": "Exec"},
         {"name": "Flags"},

test/js-perf-test/RegExp/RegExpTests.json

@@ -13,6 +13,7 @@
       "path": ["."],
       "main": "run.js",
       "resources": [
+        "case_test.js",
         "base_ctor.js",
         "base_exec.js",
         "base_flags.js",
@@ -41,6 +42,7 @@
       ],
       "results_regexp": "^%s\\-RegExp\\(Score\\): (.+)$",
       "tests": [
+        {"name": "CaseInsensitiveTest"},
         {"name": "Ctor"},
         {"name": "Exec"},
         {"name": "Flags"},

test/js-perf-test/RegExp/case_test.js

+// Copyright 2019 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.
+
+function ConstCaseInsensitiveTest() {
+  /[a-t]/i.test("abCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgz");
+}
+
+function ConstCaseInsensitiveNonLatin1Test() {
+  /[α-ζ]/i.test("βκςΑφabcdeβκEFGαοςερκ");
+}
+
+const icre = /[a-t]/i;
+function GlobalConstCaseInsensitiveRegExpTest() {
+  icre.test("abCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgzabCdefgz");
+}
+
+const icre2 = /[α-ζ]/i;
+function GlobalConstCaseInsensitiveNonLatin1RegExpTest() {
+  icre2.test("βκςΑφabcdeβκEFGαοςερκ");
+}
+
+benchmarks = [ [ConstCaseInsensitiveTest, () => {}],
+               [ConstCaseInsensitiveNonLatin1Test, () => {}],
+               [GlobalConstCaseInsensitiveRegExpTest, () => {}],
+               [GlobalConstCaseInsensitiveNonLatin1RegExpTest, () => {}],
+             ];
+
+createBenchmarkSuite("CaseInsensitiveTest");

test/js-perf-test/RegExp/run.js

@@ -9,6 +9,7 @@ load('ctor.js');
 load('exec.js');
 load('flags.js');
 load('inline_test.js')
+load('case_test.js');
 load('match.js');
 load('replace.js');
 load('search.js');