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/builtins/ArrayBuffer/ArrayBuffer.js

@@ -0,0 +1,34 @@
+test("basic functionality", () => {
+    expect(ArrayBuffer).toHaveLength(1);
+    expect(ArrayBuffer.name).toBe("ArrayBuffer");
+    expect(ArrayBuffer.prototype.constructor).toBe(ArrayBuffer);
+    expect(new ArrayBuffer()).toBeInstanceOf(ArrayBuffer);
+    expect(typeof new ArrayBuffer()).toBe("object");
+});
+
+test("ArrayBuffer constructor must be invoked with 'new'", () => {
+    expect(() => {
+        ArrayBuffer();
+    }).toThrowWithMessage(TypeError, "ArrayBuffer constructor must be called with 'new'");
+});
+
+test("ArrayBuffer size limit", () => {
+    expect(() => {
+        new ArrayBuffer(2 ** 53);
+    }).toThrowWithMessage(RangeError, "Invalid array buffer length");
+});
+
+test("invalid ArrayBuffer maximum size option", () => {
+    expect(() => {
+        new ArrayBuffer(10, { maxByteLength: -1 });
+    }).toThrowWithMessage(RangeError, "Index must be a positive integer");
+});
+
+test("ArrayBuffer size exceeds maximum size", () => {
+    expect(() => {
+        new ArrayBuffer(10, { maxByteLength: 5 });
+    }).toThrowWithMessage(
+        RangeError,
+        "ArrayBuffer byte length of 10 exceeds the max byte length of 5"
+    );
+});