improve tests (#3405)

test/release/benchmark.js

@@ -0,0 +1,14 @@
+require("./run")([
+    "-b",
+    "-b braces",
+    "-m",
+    "-mc passes=3",
+    "-mc passes=3,toplevel",
+    "-mc passes=3,unsafe",
+    "-mc keep_fargs=false,passes=3",
+    "-mc keep_fargs=false,passes=3,pure_getters,unsafe,unsafe_comps,unsafe_math,unsafe_proto",
+].map(function(options) {
+    var args = options.split(/ /);
+    args.unshift("test/benchmark.js");
+    return args;
+}));

test/release/jetstream.js

@@ -0,0 +1,9 @@
+require("./run")([
+    "-mc",
+    "-mc keep_fargs=false,passes=3,pure_getters,unsafe,unsafe_comps,unsafe_math,unsafe_proto",
+].map(function(options) {
+    var args = options.split(/ /);
+    args.unshift("test/jetstream.js");
+    args.push("-b", "beautify=false,webkit");
+    return args;
+}));

test/release/run.js

@@ -0,0 +1,16 @@
+var child_process = require("child_process");
+
+module.exports = function(tasks) {
+    (function next() {
+        if (!tasks.length) return;
+        var args = tasks.shift();
+        console.log();
+        console.log("\u001B[36m$> " + args.join(" ") + "\u001B[39m");
+        var result = child_process.spawn(process.argv[0], args, {
+            stdio: [ "ignore", 1, 2 ]
+        }).on("exit", function(code) {
+            if (code != 0) process.exit(code);
+            next();
+        });
+    })();
+};