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test-js: Use prettier and format all files
This commit is contained in:
Matthew Olsson
Andreas Kling
parent
e532888242
commit
6d58c48c2f
248 changed files with 8291 additions and 7725 deletions
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@ -1,145 +1,212 @@
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describe("[Call][GetOwnProperty]] trap normal behavior", () => {
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test("forwarding when not defined in handler", () => {
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expect(Object.getOwnPropertyDescriptor(new Proxy({}, { getOwnPropertyDescriptor: null }), "a")).toBeUndefined();
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expect(Object.getOwnPropertyDescriptor(new Proxy({}, { getOwnPropertyDescriptor: undefined }), "a")).toBeUndefined();
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expect(Object.getOwnPropertyDescriptor(new Proxy({}, {}), "a")).toBeUndefined();
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test("forwarding when not defined in handler", () => {
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expect(
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Object.getOwnPropertyDescriptor(new Proxy({}, { getOwnPropertyDescriptor: null }), "a")
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).toBeUndefined();
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expect(
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Object.getOwnPropertyDescriptor(new Proxy({}, { getOwnPropertyDescriptor: undefined }), "a")
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).toBeUndefined();
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expect(Object.getOwnPropertyDescriptor(new Proxy({}, {}), "a")).toBeUndefined();
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});
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test("correct arguments supplied to trap", () => {
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let o = {};
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let p = new Proxy(o, {
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getOwnPropertyDescriptor(target, property) {
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expect(target).toBe(o);
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expect(property).toBe("foo");
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},
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});
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test("correct arguments supplied to trap", () => {
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let o = {};
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let p = new Proxy(o, {
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getOwnPropertyDescriptor(target, property) {
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expect(target).toBe(o);
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expect(property).toBe("foo");
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}
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});
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Object.getOwnPropertyDescriptor(p, "foo");
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});
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Object.getOwnPropertyDescriptor(p, "foo");
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test("conditional returned descriptor", () => {
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let o = { foo: "bar" };
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Object.defineProperty(o, "baz", {
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value: "qux",
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enumerable: false,
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configurable: true,
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writable: false,
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});
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test("conditional returned descriptor", () => {
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let o = { foo: "bar" };
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Object.defineProperty(o, "baz", { value: "qux", enumerable: false, configurable: true, writable: false });
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let p = new Proxy(o, {
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getOwnPropertyDescriptor(target, property) {
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if (property === "baz")
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return Object.getOwnPropertyDescriptor(target, "baz");
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return { value: target[property], enumerable: false, configurable: true, writable: true };
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}
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});
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expect(p).toHaveConfigurableProperty("baz");
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expect(p).not.toHaveEnumerableProperty("baz");
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expect(p).not.toHaveWritableProperty("baz");
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expect(p).toHaveValueProperty("baz", "qux");
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expect(p).not.toHaveGetterProperty("baz");
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expect(p).not.toHaveSetterProperty("baz");
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d = Object.getOwnPropertyDescriptor(p, "foo");
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expect(p).toHaveConfigurableProperty("foo");
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expect(p).not.toHaveEnumerableProperty("foo");
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expect(p).toHaveWritableProperty("foo");
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expect(p).toHaveValueProperty("foo", "bar");
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expect(p).not.toHaveGetterProperty("foo");
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expect(p).not.toHaveSetterProperty("foo");
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let p = new Proxy(o, {
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getOwnPropertyDescriptor(target, property) {
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if (property === "baz") return Object.getOwnPropertyDescriptor(target, "baz");
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return { value: target[property], enumerable: false, configurable: true, writable: true };
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},
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});
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expect(p).toHaveConfigurableProperty("baz");
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expect(p).not.toHaveEnumerableProperty("baz");
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expect(p).not.toHaveWritableProperty("baz");
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expect(p).toHaveValueProperty("baz", "qux");
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expect(p).not.toHaveGetterProperty("baz");
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expect(p).not.toHaveSetterProperty("baz");
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d = Object.getOwnPropertyDescriptor(p, "foo");
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expect(p).toHaveConfigurableProperty("foo");
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expect(p).not.toHaveEnumerableProperty("foo");
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expect(p).toHaveWritableProperty("foo");
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expect(p).toHaveValueProperty("foo", "bar");
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expect(p).not.toHaveGetterProperty("foo");
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expect(p).not.toHaveSetterProperty("foo");
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});
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});
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describe("[[GetOwnProperty]] invariants", () => {
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test("must return an object or undefined", () => {
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy({}, {
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getOwnPropertyDescriptor() {
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return 1;
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},
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}));
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: must return an object or undefined");
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});
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test("cannot return undefined for a non-configurable property", () => {
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let o = {};
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Object.defineProperty(o, "foo", { value: 10, configurable: false });
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let p = new Proxy(o, {
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test("must return an object or undefined", () => {
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(
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{},
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{
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getOwnPropertyDescriptor() {
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return undefined;
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return 1;
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},
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});
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}
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)
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: must return an object or undefined"
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);
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});
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expect(Object.getOwnPropertyDescriptor(p, "bar")).toBeUndefined();
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test("cannot return undefined for a non-configurable property", () => {
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let o = {};
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Object.defineProperty(o, "foo", { value: 10, configurable: false });
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expect(() => {
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Object.getOwnPropertyDescriptor(p, "foo");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot return undefined for a property on the target which is a non-configurable property");
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let p = new Proxy(o, {
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getOwnPropertyDescriptor() {
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return undefined;
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},
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});
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test("cannot return undefined for an existing property if the target is non-extensible", () => {
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let o = {};
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Object.defineProperty(o, "baz", { value: 20, configurable: true, writable: true, enumerable: true });
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Object.preventExtensions(o);
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expect(Object.getOwnPropertyDescriptor(p, "bar")).toBeUndefined();
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let p = new Proxy(o, {
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getOwnPropertyDescriptor() {
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return undefined;
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},
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});
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expect(() => {
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Object.getOwnPropertyDescriptor(p, "foo");
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot return undefined for a property on the target which is a non-configurable property"
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);
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});
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expect(() => {
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Object.getOwnPropertyDescriptor(p, "baz");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot report a property as being undefined if it exists as an own property of the target and the target is non-extensible");
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test("cannot return undefined for an existing property if the target is non-extensible", () => {
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let o = {};
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Object.defineProperty(o, "baz", {
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value: 20,
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configurable: true,
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writable: true,
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enumerable: true,
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});
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Object.preventExtensions(o);
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let p = new Proxy(o, {
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getOwnPropertyDescriptor() {
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return undefined;
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},
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});
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test("invalid property descriptors", () => {
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let o = {};
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Object.defineProperty(o, "v1", { value: 10, configurable: false });
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Object.defineProperty(o, "v2", { value: 10, configurable: false, enumerable: true });
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Object.defineProperty(o, "v3", { configurable: false, get() { return 1; } });
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Object.defineProperty(o, "v4", { value: 10, configurable: false, writable: false, enumerable: true });
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expect(() => {
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Object.getOwnPropertyDescriptor(p, "baz");
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot report a property as being undefined if it exists as an own property of the target and the target is non-extensible"
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);
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});
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { configurable: true };
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},
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}), "v1");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target");
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { enumerable: false };
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},
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}), "v2");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target");
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { value: 10 };
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},
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}), "v3");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target");
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { value: 10, writable: true };
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},
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}), "v4");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target");
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test("invalid property descriptors", () => {
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let o = {};
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Object.defineProperty(o, "v1", { value: 10, configurable: false });
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Object.defineProperty(o, "v2", { value: 10, configurable: false, enumerable: true });
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Object.defineProperty(o, "v3", {
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configurable: false,
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get() {
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return 1;
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},
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});
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Object.defineProperty(o, "v4", {
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value: 10,
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configurable: false,
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writable: false,
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enumerable: true,
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});
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test("cannot report a property as non-configurable if it does not exist or is non-configurable", () => {
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let o = {};
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Object.defineProperty(o, "v", { configurable: true });
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expect(() => {
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Object.getOwnPropertyDescriptor(new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { configurable: false };
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},
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}), "v");
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}).toThrowWithMessage(TypeError, "Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot report target's property as non-configurable if the property does not exist, or if it is configurable");
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});
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { configurable: true };
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},
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}),
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"v1"
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target"
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);
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { enumerable: false };
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},
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}),
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"v2"
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target"
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);
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { value: 10 };
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},
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}),
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"v3"
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target"
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);
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { value: 10, writable: true };
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},
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}),
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"v4"
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: invalid property descriptor for existing property on the target"
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);
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});
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test("cannot report a property as non-configurable if it does not exist or is non-configurable", () => {
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let o = {};
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Object.defineProperty(o, "v", { configurable: true });
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expect(() => {
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Object.getOwnPropertyDescriptor(
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new Proxy(o, {
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getOwnPropertyDescriptor() {
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return { configurable: false };
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},
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}),
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"v"
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);
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}).toThrowWithMessage(
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TypeError,
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"Proxy handler's getOwnPropertyDescriptor trap violates invariant: cannot report target's property as non-configurable if the property does not exist, or if it is configurable"
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);
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});
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});
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