LibJS: Reorganize tests into subfolders

Libraries/LibJS/Tests/functions/function-name.js

@@ -0,0 +1,49 @@
+load("test-common.js");
+
+try {
+    assert((function () { }).name === "");
+
+    var foo = function () { }
+    assert(foo.name === "foo");
+    assert((foo.name = "bar") === "bar");
+    assert(foo.name === "foo");
+
+    var a, b;
+    a = b = function () { }
+    assert(a.name === "b");
+    assert(b.name === "b");
+
+    var arr = [
+        function () { },
+        function () { },
+        function () { }
+    ];
+    assert(arr[0].name === "arr");
+    assert(arr[1].name === "arr");
+    assert(arr[2].name === "arr");
+
+    var f;
+    var o = { a: function () { } };
+    assert(o.a.name === "a");
+    f = o.a;
+    assert(f.name === "a");
+    assert(o.a.name === "a");
+    o = { ...o, b: f };
+    assert(o.a.name === "a");
+    assert(o.b.name === "a");
+    o.c = function () { };
+    assert(o.c.name === "c");
+
+    function bar() { }
+    assert(bar.name === "bar");
+    assert((bar.name = "baz") === "baz");
+    assert(bar.name === "bar");
+
+    assert(console.log.name === "log");
+    assert((console.log.name = "warn") === "warn");
+    assert(console.log.name === "log");
+
+    console.log("PASS");
+} catch (e) {
+    console.log("FAIL: " + e);
+}