var Uglify = require('../../'); var assert = require("assert"); describe("comment before constant", function() { var js = 'function f() { /*c1*/ var /*c2*/ foo = /*c3*/ false; return foo; }'; it("Should test comment before constant is retained and output after mangle.", function() { var result = Uglify.minify(js, { fromString: true, compress: { collapse_vars: false }, mangle: {}, output: { comments: true }, }); assert.strictEqual(result.code, 'function f(){/*c1*/var/*c2*/n=/*c3*/!1;return n}'); }); it("Should test code works when comments disabled.", function() { var result = Uglify.minify(js, { fromString: true, compress: { collapse_vars: false }, mangle: {}, output: {}, }); assert.strictEqual(result.code, 'function f(){var n=!1;return n}'); }); }); /td>