mitm: Refactor & Add url

script/jstest/assert.js

@@ -0,0 +1,83 @@
+'use strict';
+
+const assert = {
+    _isSameValue(a, b) {
+        if (a === b) {
+            // Handle +/-0 vs. -/+0
+            return a !== 0 || 1 / a === 1 / b;
+        }
+
+        // Handle NaN vs. NaN
+        return a !== a && b !== b;
+    },
+
+    _toString(value) {
+        try {
+            if (value === 0 && 1 / value === -Infinity) {
+                return '-0';
+            }
+
+            return String(value);
+        } catch (err) {
+            if (err.name === 'TypeError') {
+                return Object.prototype.toString.call(value);
+            }
+
+            throw err;
+        }
+    },
+
+    sameValue(actual, expected, message) {
+        if (assert._isSameValue(actual, expected)) {
+            return;
+        }
+        if (message === undefined) {
+            message = '';
+        } else {
+            message += ' ';
+        }
+
+        message += 'Expected SameValue(«' + assert._toString(actual) + '», «' + assert._toString(expected) + '») to be true';
+
+        throw new Error(message);
+    },
+
+    throws(f, ctor, message) {
+        if (message === undefined) {
+            message = '';
+        } else {
+            message += ' ';
+        }
+        try {
+            f();
+        } catch (e) {
+            if (e.constructor !== ctor) {
+                throw new Error(message + "Wrong exception type was thrown: " + e.constructor.name);
+            }
+            return;
+        }
+        throw new Error(message + "No exception was thrown");
+    },
+
+    throwsNodeError(f, ctor, code, message) {
+        if (message === undefined) {
+            message = '';
+        } else {
+            message += ' ';
+        }
+        try {
+            f();
+        } catch (e) {
+            if (e.constructor !== ctor) {
+                throw new Error(message + "Wrong exception type was thrown: " + e.constructor.name);
+            }
+            if (e.code !== code) {
+                throw new Error(message + "Wrong exception code was thrown: " + e.code);
+            }
+            return;
+        }
+        throw new Error(message + "No exception was thrown");
+    }
+}
+
+module.exports = assert;