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Improve invalid \c escape tests

This commit is contained in:
Daniel Ehrenberg 2017-04-05 09:25:24 +02:00 committed by Rick Waldron
parent 2086f66c55
commit ce217fffad
1 changed files with 46 additions and 11 deletions
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53
test/annexB/built-ins/RegExp/RegExp-control-escape-russian-letter.js
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@ -5,19 +5,54 @@
info: "CharacterEscape :: c ControlLetter"
es5id: 15.10.2.10_A2.1_T3
es6id: B.1.4
description: "ControlLetter :: RUSSIAN ALPHABET is incorrect"
description: >
"ControlLetter :: RUSSIAN ALPHABET is incorrect"
Instead, fall back to semantics to match literal "\\c"
---*/
//CHECK#0410-042F
function* invalidControls() {
// Check upper case Cyrillic
for (var alpha = 0x0410; alpha <= 0x042F; alpha++) {
var str = String.fromCharCode(alpha % 32);
var arr = (new RegExp("\\c" + String.fromCharCode(alpha))).exec(str);
assert.sameValue(arr, null, 'RUSSIAN CAPITAL ALPHABET: ' + alpha);
yield String.fromCharCode(alpha);
}
//CHECK#0430-044F
// Check lower case Cyrillic
for (alpha = 0x0430; alpha <= 0x044F; alpha++) {
str = String.fromCharCode(alpha % 32);
arr = (new RegExp("\\c" + String.fromCharCode(alpha))).exec(str);
assert.sameValue(arr, null, 'russian small alphabet: ' + alpha);
yield String.fromCharCode(alpha);
}
// Check ASCII characters which are not in the extended range or syntax
// characters
for (alpha = 0x00; alpha <= 0x7F; alpha++) {
let letter = String.fromCharCode(alpha);
if (!letter.match(/[0-9A-Za-z_\$(|)\[\]\/\\^]/)) {
yield letter;
}
}
// Check for end of string
yield "";
}
for (let letter of invalidControls()) {
var source = "\\c" + letter;
var re = new RegExp(source);
if (letter.length > 0) {
var char = letter.charCodeAt(0);
var str = String.fromCharCode(char % 32);
var arr = re.exec(str);
if (arr !== null) {
$ERROR(`Character ${letter} unreasonably wrapped around as a control character`);
}
}
arr = re.exec(source.substring(1))
if (arr !== null) {
$ERROR(`invalid \\c escape matched c rather than \\c when followed by ${letter}`);
}
arr = re.exec(source)
if (arr === null) {
$ERROR(`invalid \\c escape failed to match \\c when followed by ${letter}`);
}
}