expand testing on Node.js versions (#3779)

test/benchmark.js

@@ -5,12 +5,11 @@
 
 var createHash = require("crypto").createHash;
 var fetch = require("./fetch");
-var fork = require("child_process").fork;
+var spawn = require("child_process").spawn;
 var zlib = require("zlib");
 var args = process.argv.slice(2);
-if (!args.length) {
-    args.push("-mc");
-}
+args.unshift("bin/uglifyjs");
+if (!args.length) args.push("-mc");
 args.push("--timings");
 var urls = [
     "https://code.jquery.com/jquery-3.4.1.js",
@@ -70,18 +69,20 @@ urls.forEach(function(url) {
     };
     fetch(url, function(err, res) {
         if (err) throw err;
-        var uglifyjs = fork("bin/uglifyjs", args, { silent: true });
+        var uglifyjs = spawn(process.argv[0], args, { silent: true });
         res.on("data", function(data) {
             results[url].input += data.length;
         }).pipe(uglifyjs.stdin);
+        var sha1 = createHash("sha1");
         uglifyjs.stdout.on("data", function(data) {
             results[url].output += data.length;
         }).pipe(zlib.createGzip({
             level: zlib.Z_BEST_COMPRESSION
         })).on("data", function(data) {
             results[url].gzip += data.length;
-        }).pipe(createHash("sha1")).on("data", function(data) {
-            results[url].sha1 = data.toString("hex");
+            sha1.update(data);
+        }).on("end", function() {
+            results[url].sha1 = sha1.digest("hex");
             done();
         });
         uglifyjs.stderr.setEncoding("utf8");

test/jetstream.js

@@ -8,15 +8,14 @@ if (typeof phantom == "undefined") {
     require("../tools/exit");
     var args = process.argv.slice(2);
     var debug = args.indexOf("--debug");
-    if (debug >= 0) {
+    if (debug < 0) {
+        debug = false;
+    } else {
         args.splice(debug, 1);
         debug = true;
-    } else {
-        debug = false;
-    }
-    if (!args.length) {
-        args.push("-mcb", "beautify=false,webkit");
     }
+    args.unshift("bin/uglifyjs");
+    if (!args.length) args.push("-mcb", "beautify=false,webkit");
     args.push("--timings");
     var child_process = require("child_process");
     var fetch = require("./fetch");
@@ -39,7 +38,7 @@ if (typeof phantom == "undefined") {
                 });
                 if (/\.js$/.test(url)) {
                     var stderr = "";
-                    var uglifyjs = child_process.fork("bin/uglifyjs", args, {
+                    var uglifyjs = child_process.spawn(process.argv[0], args, {
                         silent: true
                     }).on("exit", function(code) {
                         console.log("uglifyjs", url.slice(site.length + 1), args.join(" "));

test/mocha/reduce.js

@@ -186,7 +186,7 @@ describe("test/reduce.js", function() {
         ].join("\n"));
     });
     it("Should reduce infinite loops with reasonable performance", function() {
-        if (semver.satisfies(process.version, "0.10")) return;
+        if (semver.satisfies(process.version, "<=0.10")) return;
         this.timeout(120000);
         var result = reduce_test("while (/9/.test(1 - .8));", {
             compress: {
@@ -211,7 +211,7 @@ describe("test/reduce.js", function() {
     it("Should ignore difference in Error.message", function() {
         var result = reduce_test("null[function() {\n}];");
         if (result.error) throw result.error;
-        assert.strictEqual(result.code, (semver.satisfies(process.version, "0.10") ? [
+        assert.strictEqual(result.code, (semver.satisfies(process.version, "<=0.10") ? [
             "// Can't reproduce test failure",
             "// minify options: {}",
         ] : [

test/release/benchmark.js

@@ -1,6 +1,3 @@
-setInterval(function() {
-    process.stderr.write("\0");
-}, 8 * 60 * 1000).unref();
 require("./run")([
     "-b",
     "-b braces",