Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibJS/Tests/classes/class-static-initializers.js

@@ -0,0 +1,74 @@
+test("basic functionality", () => {
+    var called = false;
+    class A {
+        static {
+            expect(called).toBeFalse();
+            expect(this.name).toBe("A");
+            called = true;
+        }
+    }
+
+    expect(called).toBeTrue();
+    new A();
+    expect(called).toBeTrue();
+});
+
+test("called in order", () => {
+    var i = 0;
+    class A {
+        static {
+            expect(i).toBe(0);
+            i++;
+        }
+
+        static method() {
+            return 2;
+        }
+
+        static {
+            expect(i).toBe(1);
+            i++;
+        }
+    }
+
+    expect(i).toBe(2);
+    new A();
+    expect(i).toBe(2);
+});
+
+test("correct this", () => {
+    var thisValue = null;
+    class A {
+        static {
+            thisValue = this;
+        }
+    }
+
+    expect(thisValue).toBe(A);
+});
+
+describe("class like constructs can be used inside", () => {
+    test("can use new.target", () => {
+        let value = 1;
+        class C {
+            static {
+                value = new.target;
+            }
+        }
+        expect(value).toBeUndefined();
+    });
+
+    test("can use super property lookup", () => {
+        function parent() {}
+        parent.val = 3;
+
+        let hit = false;
+        class C extends parent {
+            static {
+                hit = true;
+                expect(super.val).toBe(3);
+            }
+        }
+        expect(hit).toBeTrue();
+    });
+});