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synchronise mangle.properties for minify() & test/compress (#2151)

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Alex Lam S.L
2017-06-23 15:53:13 +08:00
committed by GitHub
parent d58b184835
commit dc6bcaa18e
8 changed files with 91 additions and 75 deletions
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28
test/mocha/let.js
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@@ -2,29 +2,37 @@ var Uglify = require('../../');
var assert = require("assert");
describe("let", function() {
it("Should not produce `let` as a variable name in mangle", function(done) {
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 = '"use strict"; function foo() {';
for (var i = 0; i < 21000; ++i) {
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
assert.strictEqual(result.code.indexOf("var let="), -1);
assert.strictEqual(result.code.indexOf("var do="), -1);
assert.strictEqual(result.code.indexOf("var var="), -1);
[
"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 `let` variable name still exist
// and after the erroneously generated variable name still exist
// to show the test generated enough symbols.
assert(result.code.indexOf("var ket=") >= 0);
assert(result.code.indexOf("var met=") >= 0);
[
"to", "eo",
"eet", "fet",
"rar", "oar",
].forEach(function(name) {
assert.ok(result.code.indexOf("var " + name + "=") >= 0);
});
done();
});
});