Files
UglifyJS/test/mocha/let.js

39 lines
1.2 KiB
JavaScript

var Uglify = require('../../');
var assert = require("assert");
describe("let", function() {
it("Should not produce reserved keywords as variable name in mangle", function(done) {
this.timeout(10000);
// Produce a lot of variables in a function and run it through mangle.
var s = '"dddddeeeeelllllooooottttt"; function foo() {';
for (var i = 0; i < 18000; i++) {
s += "var v" + i + "=0;";
}
s += '}';
var result = Uglify.minify(s, {compress: false});
// Verify that select keywords and reserved keywords not produced
[
"do",
"let",
"var",
].forEach(function(name) {
assert.strictEqual(result.code.indexOf("var " + name + "="), -1);
});
// Verify that the variable names that appeared immediately before
// and after the erroneously generated variable name still exist
// to show the test generated enough symbols.
[
"to", "eo",
"eet", "fet",
"rar", "oar",
].forEach(function(name) {
assert.ok(result.code.indexOf("var " + name + "=") >= 0);
});
done();
});
});