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TypeScript
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667/** * Portions adapted from Test262 at revision 250f204f23a9249ff204be2baec29600faae7b75: * - test/built-ins/RegExp/S15.10.7_A3_T1.js * - test/built-ins/RegExp/S15.10.7_A3_T2.js * - test/built-ins/Object/S15.2.2.1_A1_T1.js * * Copyright 2009 the Sputnik authors. All rights reserved. * Test262 portions are governed by the BSD license in LICENSE.test262. * * Only the instance-side assertions are ported. Test262 otherwise reaches `constructor` through * `X.prototype.constructor`, boxed primitives (`new Object(1)`), `Function`, `isPrototypeOf`, or * `.call`, none of which CodeMode exposes: values have no prototype chain, so `x.constructor` * resolves directly to the owning built-in. */import { describe, expect, test } from "bun:test"import { Effect } from "effect"import { CodeMode } from "../src/index.js"
const value = async (code: string) => { const result = await Effect.runPromise(CodeMode.execute({ code, tools: {} })) if (!result.ok) throw new Error(`expected success, got ${result.error.kind}: ${result.error.message}`) return result.value}
describe("constructor Test262 parity", () => { test("test/built-ins/RegExp/S15.10.7_A3_T1.js", async () => { expect( await value(` const __re = /[^a]*/ return [typeof __re, __re.constructor === RegExp, __re instanceof RegExp] `), ).toEqual(["object", true, true]) })
test("test/built-ins/RegExp/S15.10.7_A3_T2.js", async () => { expect( await value(` const __re = new RegExp() return [typeof __re, __re.constructor === RegExp, __re instanceof RegExp] `), ).toEqual(["object", true, true]) })
test("test/built-ins/Object/S15.2.2.1_A1_T1.js", async () => { expect( await value(` const obj = new Object() return [obj !== undefined, obj.constructor === Object] `), ).toEqual([true, true]) })
test("every built-in reports itself for its own values", async () => { expect( await value(` return [ [].constructor === Array, "".constructor === String, (1).constructor === Number, true.constructor === Boolean, new Date(0).constructor === Date, new Map().constructor === Map, new Set().constructor === Set, new URL("https://a.b/").constructor === URL, new URLSearchParams("a=1").constructor === URLSearchParams, Promise.resolve(1).constructor === Promise, new TypeError("x").constructor === TypeError, new RangeError("x").constructor === RangeError, new AggregateError([]).constructor === AggregateError, ] `), ).toEqual(Array(13).fill(true)) })})