Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Tests/with-basic.js

@@ -0,0 +1,45 @@
+test("basic with statement functionality", () => {
+    var object = { foo: 5, bar: 6, baz: 7 };
+    var qux = 1;
+
+    var bar = 99;
+
+    with (object) {
+        expect(foo).toBe(5);
+        expect(bar).toBe(6);
+        expect(baz).toBe(7);
+        expect(qux).toBe(1);
+        expect(typeof quz).toBe("undefined");
+
+        bar = 2;
+    }
+
+    expect(object.bar).toBe(2);
+    expect(() => foo).toThrowWithMessage(ReferenceError, "'foo' is not defined");
+
+    expect(bar).toBe(99);
+});
+
+test("syntax error in strict mode", () => {
+    expect("'use strict'; with (foo) {}").not.toEval();
+});
+
+test("restores lexical environment even when exception is thrown", () => {
+    var object = {
+        foo: 1,
+        get bar() {
+            throw Error();
+        },
+    };
+
+    try {
+        with (object) {
+            expect(foo).toBe(1);
+            bar;
+        }
+        expect().fail();
+    } catch (e) {
+        expect(() => foo).toThrowWithMessage(ReferenceError, "'foo' is not defined");
+    }
+    expect(() => foo).toThrowWithMessage(ReferenceError, "'foo' is not defined");
+});