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// 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.
var whitespaces = [
// WhiteSpace defined in ECMA-262 5.1, 7.2
0x0009, // Tab TAB
0x000B, // Vertical Tab VT
0x000C, // Form Feed FF
0x0020, // Space SP
0x00A0, // No-break space NBSP
0xFEFF, // Byte Order Mark BOM
// LineTerminator defined in ECMA-262 5.1, 7.3
0x000A, // Line Feed LF
0x000D, // Carriage Return CR
0x2028, // Line Separator LS
0x2029, // Paragraph Separator PS
// Unicode 6.3.0 whitespaces (category 'Zs')
0x1680, // Ogham Space Mark
0x180E, // Mongolian Vowel Separator
0x2000, // EN QUAD
0x2001, // EM QUAD
0x2002, // EN SPACE
0x2003, // EM SPACE
0x2004, // THREE-PER-EM SPACE
0x2005, // FOUR-PER-EM SPACE
0x2006, // SIX-PER-EM SPACE
0x2007, // FIGURE SPACE
0x2008, // PUNCTUATION SPACE
0x2009, // THIN SPACE
0x200A, // HAIR SPACE
0x2028, // LINE SEPARATOR
0x2029, // PARAGRAPH SEPARATOR
0x202F, // NARROW NO-BREAK SPACE
0x205F, // MEDIUM MATHEMATICAL SPACE
0x3000, // IDEOGRAPHIC SPACE
];
// Add single twobyte char to force twobyte representation.
// Interestingly, snowman is not "white" space :)
var twobyte = "\u2603";
var onebyte = "\u007E";
var twobytespace = "\u2000";
var onebytespace = "\u0020";
function is_whitespace(c) {
return whitespaces.indexOf(c.charCodeAt(0)) > -1;
}
function test_regexp(str) {
var pos_match = str.match(/\s/);
var neg_match = str.match(/\S/);
var test_char = str[0];
var postfix = str[1];
if (is_whitespace(test_char)) {
assertEquals(test_char, pos_match[0]);
assertEquals(postfix, neg_match[0]);
} else {
assertEquals(test_char, neg_match[0]);
assertNull(pos_match);
}
}
function test_trim(c, infix) {
var str = c + c + c + infix + c;
if (is_whitespace(c)) {
assertEquals(infix, str.trim());
} else {
assertEquals(str, str.trim());
}
}
function test_parseInt(c, postfix) {
// Skip if prefix is a digit.
if (c >= "0" && c <= "9") return;
var str = c + c + "123" + postfix;
if (is_whitespace(c)) {
assertEquals(123, parseInt(str));
} else {
assertEquals(NaN, parseInt(str));
}
}
function test_eval(c, content) {
if (!is_whitespace(c)) return;
var str = c + c + "'" + content + "'" + c + c;
assertEquals(content, eval(str));
}
function test_stringtonumber(c, postfix) {
// Skip if prefix is a digit.
if (c >= "0" && c <= "9") return;
var result = 1 + Number(c + "123" + c + postfix);
if (is_whitespace(c)) {
assertEquals(124, result);
} else {
assertEquals(NaN, result);
}
}
for (var i = 0; i < 0x10000; i++) {
c = String.fromCharCode(i);
test_regexp(c + onebyte);
test_regexp(c + twobyte);
test_trim(c, onebyte + "trim");
test_trim(c, twobyte + "trim");
test_parseInt(c, onebyte);
test_parseInt(c, twobyte);
test_eval(c, onebyte);
test_eval(c, twobyte);
test_stringtonumber(c, onebytespace);
test_stringtonumber(c, twobytespace);
}
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