Source code

Revision control

Copy as Markdown

Other Tools

// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: B.1.4 is not applied for Unicode RegExp - Identity escape with basic latin characters
info: |
The compatibility extensions defined in B.1.4 Regular Expressions Patterns
are not applied for Unicode RegExps.
Tested extension: "IdentityEscape[U] :: [~U] SourceCharacter but not c"
es6id: 21.1.2
---*/
function isSyntaxCharacter(c) {
switch (c) {
case "^":
case "$":
case "\\":
case ".":
case "*":
case "+":
case "?":
case "(":
case ")":
case "[":
case "]":
case "{":
case "}":
case "|":
return true;
default:
return false;
}
}
function isAlphaDigit(c) {
return ("0" <= c && c <= "9") || ("A" <= c && c <= "Z") || ("a" <= c && c <= "z");
}
// IdentityEscape in AtomEscape.
//
// AtomEscape[U] :: CharacterEscape[?U]
// CharacterEscape[U] :: IdentityEscape[?U]
for (var cu = 0x00; cu <= 0x7f; ++cu) {
var s = String.fromCharCode(cu);
if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/") {
assert.throws(SyntaxError, function() {
RegExp("\\" + s, "u");
}, "Invalid IdentityEscape in AtomEscape: '\\" + s + "'");
}
}
// IdentityEscape in ClassEscape.
//
// ClassEscape[U] :: CharacterEscape[?U]
// CharacterEscape[U] :: IdentityEscape[?U]
for (var cu = 0x00; cu <= 0x7f; ++cu) {
var s = String.fromCharCode(cu);
if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/" && s !== "-") {
assert.throws(SyntaxError, function() {
RegExp("[\\" + s + "]", "u");
}, "Invalid IdentityEscape in ClassEscape: '\\" + s + "'");
}
}
reportCompare(0, 0);