// Testing UglifyJS <-> SpiderMonkey AST conversion "use strict"; var acorn = require("acorn"); var ufuzz = require("./ufuzz"); var UglifyJS = require(".."); function try_beautify(code) { var beautified = UglifyJS.minify(code, { compress: false, mangle: false, output: { beautify: true, bracketize: true } }); if (beautified.error) { console.log("// !!! beautify failed !!!"); console.log(beautified.error.stack); console.log(code); } else { console.log("// (beautified)"); console.log(beautified.code); } } function test(original, estree, description) { var transformed = UglifyJS.minify(UglifyJS.AST_Node.from_mozilla_ast(estree), { compress: false, mangle: false }); if (transformed.error || original !== transformed.code) { console.log("//============================================================="); console.log("// !!!!!! Failed... round", round); console.log("// original code"); try_beautify(original); console.log(); console.log(); console.log("//-------------------------------------------------------------"); console.log("//", description); if (transformed.error) { console.log(transformed.error.stack); } else { try_beautify(transformed.code); } console.log("!!!!!! Failed... round", round); process.exit(1); } } var num_iterations = ufuzz.num_iterations; for (var round = 1; round <= num_iterations; round++) { process.stdout.write(round + " of " + num_iterations + "\r"); var code = ufuzz.createTopLevelCode(); var uglified = UglifyJS.minify(code, { compress: false, mangle: false, output: { ast: true } }); test(uglified.code, uglified.ast.to_mozilla_ast(), "AST_Node.to_mozilla_ast()"); try { test(uglified.code, acorn.parse(code), "acorn.parse()"); } catch (e) { console.log("//============================================================="); console.log("// acorn parser failed... round", round); console.log(e); console.log("// original code"); console.log(code); } } console.log();