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// 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();
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