randomized require() test

ecmascript-testcases/test-commonjs-require-resolution-randomized.js

@@ -0,0 +1,73 @@
+/*
+ *  Randomized identifier testing to stress test identifier resolution.
+ */
+
+/*===
+0
+10000
+20000
+30000
+40000
+50000
+60000
+70000
+80000
+90000
+done
+===*/
+
+function rnd() {
+    return Math.random();
+}
+
+function buildId() {
+    var res = '';
+    var x;
+
+    for (;;) {
+        x = rnd() * 1000;
+        if (x >= 100) {
+            res += String.fromCharCode( (x - 100) + 0x20 );  // unicode but not control
+        } else if (x <= 30) {
+            res += '/';
+        } else if (x <= 60) {
+            res += '/./';
+        } else if (x <= 90) {
+            res += '/../';
+        } else {
+            break;
+        }
+    }
+
+    return res;
+}
+
+function randomizedTest() {
+    var i, n;
+    var succ = 0;
+
+    Duktape.find = function (id) {
+        succ++;
+        throw new Error('module not found');
+    };
+
+    for (i = 0, n = 1e5; i < n; i++) {
+        //print(buildId());
+        if ((i % 10000) == 0) { print(i); }
+        try {
+            mod = require(buildId());
+        } catch (e) {
+            //print(e.name);
+        }
+    }
+
+    //print('successful: ' + succ + '/' + n);
+}
+
+try {
+    randomizedTest();
+} catch (e) {
+    print(e);
+}
+
+print('done');