mirror of https://github.com/tc39/test262.git
66 lines
1.7 KiB
JavaScript
Executable File
66 lines
1.7 KiB
JavaScript
Executable File
// Copyright (C) 2015 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: B.1.4 is not applied for Unicode RegExp - Identity escape with basic latin characters
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info: >
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The compatibility extensions defined in B.1.4 Regular Expressions Patterns
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are not applied for Unicode RegExps.
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Tested extension: "IdentityEscape[U] :: [~U] SourceCharacter but not c"
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es6id: 21.1.2
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---*/
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function isSyntaxCharacter(c) {
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switch (c) {
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case "^":
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case "$":
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case "\\":
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case ".":
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case "*":
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case "+":
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case "?":
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case "(":
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case ")":
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case "[":
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case "]":
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case "{":
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case "}":
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case "|":
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return true;
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default:
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return false;
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}
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}
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function isAlphaDigit(c) {
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return ("0" <= c && c <= "9") || ("A" <= c && c <= "Z") || ("a" <= c && c <= "z");
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}
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// IdentityEscape in AtomEscape.
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//
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// AtomEscape[U] :: CharacterEscape[?U]
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// CharacterEscape[U] :: IdentityEscape[?U]
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for (var cu = 0x00; cu <= 0x7f; ++cu) {
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var s = String.fromCharCode(cu);
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if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/") {
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assert.throws(SyntaxError, function() {
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RegExp("\\" + s, "u");
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}, "Invalid IdentityEscape in AtomEscape: '\\" + s + "'");
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}
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}
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// IdentityEscape in ClassEscape.
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//
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// ClassEscape[U] :: CharacterEscape[?U]
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// CharacterEscape[U] :: IdentityEscape[?U]
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for (var cu = 0x00; cu <= 0x7f; ++cu) {
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var s = String.fromCharCode(cu);
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if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/" && s !== "-") {
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assert.throws(SyntaxError, function() {
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RegExp("[\\" + s + "]", "u");
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}, "Invalid IdentityEscape in ClassEscape: '\\" + s + "'");
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}
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}
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