27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
var Uglify = require('../../');
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var assert = require("assert");
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describe("let", function() {
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it("Should not produce `let` as a variable name in mangle", function() {
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// Produce a lot of variables in a function and run it through mangle.
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var s = '"use strict"; function foo() {';
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for (var i = 0; i < 21000; ++i) {
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s += "var v" + i + "=0;";
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}
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s += '}';
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var result = Uglify.minify(s, {fromString: true, compress: false});
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// Verify that select keywords and reserved keywords not produced
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assert.strictEqual(result.code.indexOf("var let="), -1);
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assert.strictEqual(result.code.indexOf("var do="), -1);
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assert.strictEqual(result.code.indexOf("var var="), -1);
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// Verify that the variable names that appeared immediately before
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// and after the erroneously generated `let` variable name still exist
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// to show the test generated enough symbols.
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assert(result.code.indexOf("var ket=") >= 0);
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assert(result.code.indexOf("var met=") >= 0);
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});
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});
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