Add methods for own entries and values to object.js

[Pisces] / function.test.js

diff --git a/function.test.js b/function.test.js
index 09b9f7e00160eb998a82f6714dbaece118aec180..bf0e907a2df13688932447fbb084bc83940fdf82 100644 (file)
--- a/function.test.js
+++ b/function.test.js
@@ -10,6 +10,7 @@
 import {
   assert,
   assertEquals,
+  assertNotStrictEquals,
   assertSpyCall,
   assertSpyCalls,
   assertStrictEquals,
@@ -469,9 +470,6 @@ describe("createIllegalConstructor", () => {
       Object.getPrototypeOf(constructor.prototype),
       Object.prototype,
     );
-    console.dir(
-      Object.getOwnPropertyDescriptors(constructor.prototype),
-    );
     assertEquals(
       constructor.prototype,
       Object.create(Object.prototype, {
@@ -712,6 +710,95 @@ describe("createProxyConstructor", () => {
     });
   });
 
+  describe("~is[[.name]]", () => {
+    it("[[GetOwnProperty]] defines the appropriate method", () => {
+      assertNotStrictEquals(
+        Object.getOwnPropertyDescriptor(
+          createProxyConstructor({}),
+          "isProxy",
+        ),
+        undefined,
+      );
+      assertNotStrictEquals(
+        Object.getOwnPropertyDescriptor(
+          createProxyConstructor({}, function Base() {}),
+          "isBaseProxy",
+        ),
+        undefined,
+      );
+      assertNotStrictEquals(
+        Object.getOwnPropertyDescriptor(
+          createProxyConstructor({}, function Bad() {}, undefined, {
+            name: "⸺",
+          }),
+          "is⸺",
+        ),
+        undefined,
+      );
+    });
+
+    it("[[GetOwnProperty]] has the correct descriptor", () => {
+      const proxyConstructor = createProxyConstructor({});
+      assertEquals(
+        Object.getOwnPropertyDescriptor(
+          proxyConstructor,
+          "isProxy",
+        ),
+        {
+          configurable: true,
+          enumerable: false,
+          value: proxyConstructor.isProxy,
+          writable: true,
+        },
+      );
+    });
+
+    it("[[Call]] returns true for created proxies", () => {
+      const proxyConstructor = createProxyConstructor({});
+      const proxy = new proxyConstructor();
+      assertStrictEquals(
+        proxyConstructor.isProxy(proxy),
+        true,
+      );
+    });
+
+    it("[[Call]] returns false for nonproxies", () => {
+      const constructor = function Base() {};
+      const proxyConstructor = createProxyConstructor({}, constructor);
+      assertStrictEquals(
+        proxyConstructor.isBaseProxy(new constructor()),
+        false,
+      );
+    });
+
+    it("[[Construct]] throws an error", () => {
+      const proxyConstructor = createProxyConstructor({});
+      assertThrows(() => new proxyConstructor.isProxy({}));
+    });
+
+    describe(".length", () => {
+      it("[[Get]] returns the correct length", () => {
+        const proxyConstructor = createProxyConstructor({});
+        assertStrictEquals(proxyConstructor.isProxy.length, 1);
+      });
+    });
+
+    describe(".name", () => {
+      it("[[Get]] returns the correct name", () => {
+        const proxyConstructor = createProxyConstructor({});
+        assertStrictEquals(proxyConstructor.isProxy.name, "isProxy");
+        const otherProxyConstructor = createProxyConstructor(
+          {},
+          function Base() {},
+        );
+        assertStrictEquals(
+          otherProxyConstructor.isBaseProxy.name,
+          "isBaseProxy",
+        );
+      });
+    });
+  });
+
   describe("~length", () => {
     it("[[GetOwnProperty]] has the correct descriptor", () => {
       assertEquals(
@@ -739,7 +826,7 @@ describe("createProxyConstructor", () => {
         {
           configurable: true,
           enumerable: false,
-          value: "ObjectProxy",
+          value: "Proxy",
           writable: false,
         },
       );