Make tests runnable under node

test/driver.js

@@ -1,13 +1,15 @@
+(function(exports) {
   var tests = [];
+  var acorn = typeof require == "undefined" ? window.acorn : require("../acorn.js");
 
-function test(code, ast, options) {
+  exports.test = function(code, ast, options) {
     tests.push({code: code, ast: ast, options: options});
-}
+  };
-function testFail(code, message, options) {
+  exports.testFail = function(code, message, options) {
     tests.push({code: code, error: message, options: options});
-}
+  };
 
-function runTests(callback) {
+  exports.runTests = function(callback) {
     var opts = {linePositions: true};
     for (var i = 0; i < tests.length; ++i) {
       var test = tests[i];
@@ -30,7 +32,7 @@ function runTests(callback) {
         }
       }
     }
-}
+  };
 
   function ppJSON(v) { return JSON.stringify(v, null, 2); }
   function addPath(str, pt) {
@@ -56,3 +58,4 @@ function misMatch(exp, act) {
       }
     }
   }
+})(typeof exports == "undefined" ? window : exports);

test/run.js

@@ -0,0 +1,14 @@
+var driver = require("./driver.js");
+require("./tests.js");
+
+var testsRun = 0, failed = 0;
+function report(state, code, message) {
+  if (state != "ok") {++failed; console.log(code, message);}
+  ++testsRun;
+}
+
+var t0 = +new Date;
+driver.runTests(report);
+console.log(testsRun + " tests run in " + (+new Date - t0) + "ms");
+if (failed) console.log(failed + " failures.");
+else console.log("All passed.");

test/tests.js

@@ -1,6 +1,11 @@
 // Tests largely based on those of Esprima
 // (http://esprima.org/test/)
 
+if (typeof exports != "undefined") {
+  var test = require("./driver.js").test;
+  var testFail = require("./driver.js").testFail;
+}
+
 test("this\n", {
   type: "Program",
   start: {