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// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --harmony-string-trimming
description("This test checks the `trim`, `trimStart`/`trimLeft`, and `trimEnd`/`trimRight` methods on `String.prototype`.");
// References to trim(), trimLeft() and trimRight() functions for testing Function's *.call() and *.apply() methods
const trim = String.prototype.trim;
const trimStart = String.prototype.trimStart;
const trimLeft = String.prototype.trimLeft;
const trimEnd = String.prototype.trimEnd;
const trimRight = String.prototype.trimRight;
const whitespace = [
{s: '\u0009', t: 'HORIZONTAL TAB'},
{s: '\u000A', t: 'LINE FEED OR NEW LINE'},
{s: '\u000B', t: 'VERTICAL TAB'},
{s: '\u000C', t: 'FORMFEED'},
{s: '\u000D', t: 'CARRIAGE RETURN'},
{s: '\u0020', t: 'SPACE'},
{s: '\u00A0', t: 'NO-BREAK SPACE'},
{s: '\u2000', t: 'EN QUAD'},
{s: '\u2001', t: 'EM QUAD'},
{s: '\u2002', t: 'EN SPACE'},
{s: '\u2003', t: 'EM SPACE'},
{s: '\u2004', t: 'THREE-PER-EM SPACE'},
{s: '\u2005', t: 'FOUR-PER-EM SPACE'},
{s: '\u2006', t: 'SIX-PER-EM SPACE'},
{s: '\u2007', t: 'FIGURE SPACE'},
{s: '\u2008', t: 'PUNCTUATION SPACE'},
{s: '\u2009', t: 'THIN SPACE'},
{s: '\u200A', t: 'HAIR SPACE'},
{s: '\u3000', t: 'IDEOGRAPHIC SPACE'},
{s: '\u2028', t: 'LINE SEPARATOR'},
{s: '\u2029', t: 'PARAGRAPH SEPARATOR'},
{s: '\u200B', t: 'ZERO WIDTH SPACE (category Cf)'},
];
let wsString = '';
for (let i = 0; i < whitespace.length; i++) {
shouldBe("whitespace["+i+"].s.trim()", "''");
shouldBe("whitespace["+i+"].s.trimStart()", "''");
shouldBe("whitespace["+i+"].s.trimLeft()", "''");
shouldBe("whitespace["+i+"].s.trimEnd()", "''");
shouldBe("whitespace["+i+"].s.trimRight()", "''");
wsString += whitespace[i].s;
}
const testString = 'foo bar';
const trimString = wsString + testString + wsString;
const leftTrimString = testString + wsString; //trimmed from the left
const rightTrimString = wsString + testString; //trimmed from the right
shouldBe("wsString.trim()", "''");
shouldBe("wsString.trimStart()", "''");
shouldBe("wsString.trimLeft()", "''");
shouldBe("wsString.trimEnd()", "''");
shouldBe("wsString.trimRight()", "''");
shouldBe("trimString.trim()", "testString");
shouldBe("trimString.trimStart()", "leftTrimString");
shouldBe("trimString.trimLeft()", "leftTrimString");
shouldBe("trimString.trimEnd()", "rightTrimString");
shouldBe("trimString.trimRight()", "rightTrimString");
shouldBe("leftTrimString.trim()", "testString");
shouldBe("leftTrimString.trimStart()", "leftTrimString");
shouldBe("leftTrimString.trimLeft()", "leftTrimString");
shouldBe("leftTrimString.trimEnd()", "testString");
shouldBe("leftTrimString.trimRight()", "testString");
shouldBe("rightTrimString.trim()", "testString");
shouldBe("rightTrimString.trimStart()", "testString");
shouldBe("rightTrimString.trimLeft()", "testString");
shouldBe("rightTrimString.trimEnd()", "rightTrimString");
shouldBe("rightTrimString.trimRight()", "rightTrimString");
const testValues = [
"0",
"Infinity",
"NaN",
"true",
"false",
"({})",
"({toString:function(){return 'wibble'}})",
"['an','array']",
];
for (const testValue of testValues) {
shouldBe("trim.call("+testValue+")", "'"+eval(testValue)+"'");
shouldBe("trimStart.call("+testValue+")", "'"+eval(testValue)+"'");
shouldBe("trimLeft.call("+testValue+")", "'"+eval(testValue)+"'");
shouldBe("trimEnd.call("+testValue+")", "'"+eval(testValue)+"'");
shouldBe("trimRight.call("+testValue+")", "'"+eval(testValue)+"'");
}
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