jerryscript/tests/jerry/string-prototype-trim.js
Dániel Bátyai 8f76a1f382
Rework RegExp engine and add support for proper unicode matching (#3746)
This change includes several bugfixes, general improvements, and support
for additional features.
- Added full support for web compatibility syntax defined in Annex B
- Implemented parsing and matching patterns in unicode mode
- Fixed capture results when iterating with nested capturing groups
- Significantly reduced regexp bytecode size
- Reduced stack usage during regexp execution
- Improved matching performance

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
2020-05-26 15:28:54 +02:00

90 lines
2.6 KiB
JavaScript

// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// check properties
function length_configurable()
{
function is_es51() {
return (typeof g === "function");
{ function g() {} }
}
return is_es51() ? false : true;
}
assert(Object.getOwnPropertyDescriptor(String.prototype.trim, 'length').configurable === length_configurable());
assert(Object.getOwnPropertyDescriptor(String.prototype.trim, 'length').enumerable === false);
assert(Object.getOwnPropertyDescriptor(String.prototype.trim, 'length').writable === false);
assert(String.prototype.trim.length === 0);
// check this value
assert(String.prototype.trim.call(new String()) === "");
assert(String.prototype.trim.call({}) === "[object Object]");
// check undefined
try {
String.prototype.trim.call(undefined);
assert(false);
} catch(e) {
assert(e instanceof TypeError);
}
// check null
try {
String.prototype.trim.call(null);
assert(false);
} catch(e) {
assert(e instanceof TypeError);
}
// simple checks
assert(" hello world".trim() === "hello world");
assert("hello world ".trim() === "hello world");
assert(" hello world ".trim() === "hello world");
assert("\t hello world\n".trim() === "hello world");
assert("\t\n hello world\t \n ".trim() === "hello world");
assert("hello world\n \t\t".trim() === "hello world");
assert(" hello world \\ ".trim() === "hello world \\");
assert("**hello world**".trim() === "**hello world**");
assert(" \t \n".trim() === "");
assert(" ".trim() === "");
assert("".trim() === "");
assert("\uf389".trim() === "\uf389");
assert(String.prototype.trim.call('\uf389') === "\uf389");
assert("\u20291\u00D0".trim() === "1\u00D0");
assert("\u20291\u00A0".trim() === "1");
assert("\u0009\u000B\u000C\u0020\u00A01".trim() === "1");
assert("\u000A\u000D\u2028\u202911".trim() === "11");
assert("\u0009\u000B\u000C\u0020\u00A01\u0009\u000B\u000C\u0020\u00A0".trim() === "1");
assert("\u000A\u000D\u2028\u202911\u000A\u000D\u2028\u2029".trim() === "11");
assert ("\u200B".trim() === '\u200B')