complete fs stat check

test/jxcore/test-fs-stats.js

@@ -0,0 +1,73 @@
+// Copyright & License details are available under JXCORE_LICENSE file
+
+var fs = require('fs');
+var assert = require('assert');
+
+var str_typeof = "typeof stat is not 'object'";
+var str_instanceof = "stat is not instance of fs.Stats";
+var engine = process.versions.v8 ? "V8" : "SM";
+var errors = [];
+
+var strictEqual = function (actual, expected, func_name, err) {
+  if (actual !== expected)
+    errors.push(engine + " - failed for fs." + func_name + "(): " + err);
+};
+
+var checkToString = function (stat, func_name) {
+  try {
+    var x = stat.toString();
+  } catch (ex) {
+    errors.push(engine + " - failed for fs." + func_name + "(): " + ": " + ex);
+  }
+};
+
+process.on('exit', function () {
+  if (errors.length) {
+    console.error(errors.join("\n"));
+    throw new Error("There are errors.");
+  }
+});
+
+
+// stat
+fs.stat(__filename, function (err, stat) {
+  strictEqual(typeof stat, "object", "stat", str_typeof);
+  strictEqual(stat instanceof fs.Stats, true, "stat", str_instanceof);
+  checkToString(stat, "stat");
+});
+
+// statSync
+var stat = fs.statSync(__filename);
+strictEqual(typeof stat, "object", "statSync", str_typeof);
+strictEqual(stat instanceof fs.Stats, true, "statSync", str_instanceof);
+checkToString(stat, "statSync");
+
+
+// lstat
+fs.lstat(__filename, function (err, stat) {
+  strictEqual(typeof stat, "object", "lstat", str_typeof);
+  strictEqual(stat instanceof fs.Stats, true, "lstat", str_instanceof);
+  checkToString(stat, "lstat");
+});
+
+// lstatSync
+var stat = fs.lstatSync(__filename);
+strictEqual(typeof stat, "object", "lstatSync", str_typeof);
+strictEqual(stat instanceof fs.Stats, true, "lstatSync", str_instanceof);
+checkToString(stat, "lstatSync");
+
+
+var fd = fs.openSync(__filename, "r");
+
+// fstat
+fs.fstat(fd, function (err, stat) {
+  strictEqual(typeof stat, "object", "fstat", str_typeof);
+  strictEqual(stat instanceof fs.Stats, true, "fstat", str_instanceof);
+  checkToString(stat, "fstat");
+});
+
+// fstatSync
+var stat = fs.fstatSync(fd);
+strictEqual(typeof stat, "object", "fstatSync", str_typeof);
+strictEqual(stat instanceof fs.Stats, true, "fstatSync", str_instanceof);
+checkToString(stat, "fstatSync");