JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

unescape surrogate pairs only (#2246)

Browse Source 
fixes #2242
This commit is contained in:
Alex Lam S.L
2017-07-23 12:38:21 +08:00
committed by GitHub
parent 54446341ee
commit 6a5e74b44e
3 changed files with 88 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
test/mocha/string-literal.js
View File

@@ -78,4 +78,41 @@ describe("String literals", function() {
assert.equal(UglifyJS.parse('"use strict";"\\08"').print_to_string(), '"use strict";"\\08";');
assert.equal(UglifyJS.parse('"use strict";"\\09"').print_to_string(), '"use strict";"\\09";');
});
it("Should not unescape unpaired surrogates", function() {
var code = [];
for (var i = 0; i <= 0xF; i++) {
code.push("\\u000" + i.toString(16));
}
for (;i <= 0xFF; i++) {
code.push("\\u00" + i.toString(16));
}
for (;i <= 0xFFF; i++) {
code.push("\\u0" + i.toString(16));
}
for (; i <= 0xFFFF; i++) {
code.push("\\u" + i.toString(16));
}
code = '"' + code.join() + '"';
var normal = UglifyJS.minify(code, {
compress: false,
mangle: false,
output: {
ascii_only: false
}
});
if (normal.error) throw normal.error;
assert.ok(code.length > normal.code.length);
assert.strictEqual(eval(code), eval(normal.code));
var ascii = UglifyJS.minify(code, {
compress: false,
mangle: false,
output: {
ascii_only: false
}
});
if (ascii.error) throw ascii.error;
assert.ok(code.length > ascii.code.length);
assert.strictEqual(eval(code), eval(ascii.code));
});
});