mirror of
https://github.com/oven-sh/bun
synced 2026-02-15 13:22:07 +00:00
ff5f2c357d
* [Bun.js] support for util.TextEncoder * [Bun.js] test for util.TextEncoder * [Bun.js] tests ported from node's test-util
244 lines
8.7 KiB
JavaScript
244 lines
8.7 KiB
JavaScript
import { expect, describe, it } from "bun:test";
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import util from "util";
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import assert from "assert";
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// const context = require('vm').runInNewContext; // TODO: Use a vm polyfill
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const strictEqual = (...args) => {
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assert.strictEqual(...args);
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expect(true).toBe(true);
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};
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const deepStrictEqual = (...args) => {
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assert.deepStrictEqual(...args);
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expect(true).toBe(true);
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};
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// Tests adapted from https://github.com/nodejs/node/blob/main/test/parallel/test-util.js
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describe("util", () => {
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describe("isArray", () => {
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it("all cases", () => {
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strictEqual(util.isArray([]), true);
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strictEqual(util.isArray(Array()), true);
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strictEqual(util.isArray(new Array()), true);
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strictEqual(util.isArray(new Array(5)), true);
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strictEqual(util.isArray(new Array("with", "some", "entries")), true);
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// strictEqual(util.isArray(context('Array')()), true); unable to test due to dependency on context
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strictEqual(util.isArray({}), false);
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strictEqual(util.isArray({ push: function () {} }), false);
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strictEqual(util.isArray(/regexp/), false);
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strictEqual(util.isArray(new Error()), false);
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strictEqual(util.isArray(Object.create(Array.prototype)), false);
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});
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});
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describe("isRegExp", () => {
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it("all cases", () => {
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strictEqual(util.isRegExp(/regexp/), true);
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strictEqual(util.isRegExp(RegExp(), "foo"), true);
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strictEqual(util.isRegExp(new RegExp()), true);
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// strictEqual(util.isRegExp(context("RegExp")()), true); unable to test due to dependency on context
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strictEqual(util.isRegExp({}), false);
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strictEqual(util.isRegExp([]), false);
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strictEqual(util.isRegExp(new Date()), false);
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strictEqual(util.isRegExp(Object.create(RegExp.prototype)), false);
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});
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});
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describe("isDate", () => {
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it("all cases", () => {
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strictEqual(util.isDate(new Date()), true);
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strictEqual(util.isDate(new Date(0), "foo"), true);
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// strictEqual(util.isDate(new (context("Date"))()), true); unable to test due to dependency on context
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strictEqual(util.isDate(Date()), false);
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strictEqual(util.isDate({}), false);
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strictEqual(util.isDate([]), false);
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strictEqual(util.isDate(new Error()), false);
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strictEqual(util.isDate(Object.create(Date.prototype)), false);
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});
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});
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describe("isError", () => {
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it("all cases", () => {
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strictEqual(util.isError(new Error()), true);
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strictEqual(util.isError(new TypeError()), true);
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strictEqual(util.isError(new SyntaxError()), true);
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// strictEqual(util.isError(new (context("Error"))()), true); unable to test due to dependency on context
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// strictEqual(util.isError(new (context("TypeError"))()), true); unable to test due to dependency on context
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// strictEqual(util.isError(new (context("SyntaxError"))()), true); unable to test due to dependency on context
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strictEqual(util.isError({}), false);
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strictEqual(util.isError({ name: "Error", message: "" }), false);
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strictEqual(util.isError([]), false);
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strictEqual(util.isError(Object.create(Error.prototype)), true);
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});
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});
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describe("isObject", () => {
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it("all cases", () => {
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strictEqual(util.isObject({}), true);
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strictEqual(util.isObject([]), true);
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strictEqual(util.isObject(new Number(3)), true);
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strictEqual(util.isObject(Number(4)), false);
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strictEqual(util.isObject(1), false);
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});
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});
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describe("isPrimitive", () => {
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it("all cases", () => {
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strictEqual(util.isPrimitive({}), false);
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strictEqual(util.isPrimitive(new Error()), false);
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strictEqual(util.isPrimitive(new Date()), false);
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strictEqual(util.isPrimitive([]), false);
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strictEqual(util.isPrimitive(/regexp/), false);
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strictEqual(
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util.isPrimitive(function () {}),
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false
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);
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strictEqual(util.isPrimitive(new Number(1)), false);
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strictEqual(util.isPrimitive(new String("bla")), false);
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strictEqual(util.isPrimitive(new Boolean(true)), false);
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strictEqual(util.isPrimitive(1), true);
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strictEqual(util.isPrimitive("bla"), true);
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strictEqual(util.isPrimitive(true), true);
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strictEqual(util.isPrimitive(undefined), true);
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strictEqual(util.isPrimitive(null), true);
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strictEqual(util.isPrimitive(Infinity), true);
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strictEqual(util.isPrimitive(NaN), true);
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strictEqual(util.isPrimitive(Symbol("symbol")), true);
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});
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});
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describe("isBuffer", () => {
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it("all cases", () => {
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strictEqual(util.isBuffer("foo"), false);
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strictEqual(util.isBuffer(Buffer.from("foo")), true);
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});
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});
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describe("_extend", () => {
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it("all cases", () => {
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deepStrictEqual(util._extend({ a: 1 }), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, []), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, null), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, true), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, false), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, { b: 2 }), { a: 1, b: 2 });
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deepStrictEqual(util._extend({ a: 1, b: 2 }, { b: 3 }), { a: 1, b: 3 });
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});
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});
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describe("isBoolean", () => {
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it("all cases", () => {
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strictEqual(util.isBoolean(true), true);
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strictEqual(util.isBoolean(false), true);
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strictEqual(util.isBoolean("string"), false);
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});
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});
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describe("isNull", () => {
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it("all cases", () => {
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strictEqual(util.isNull(null), true);
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strictEqual(util.isNull(undefined), false);
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strictEqual(util.isNull(), false);
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strictEqual(util.isNull("string"), false);
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});
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});
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describe("isUndefined", () => {
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it("all cases", () => {
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strictEqual(util.isUndefined(undefined), true);
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strictEqual(util.isUndefined(), true);
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strictEqual(util.isUndefined(null), false);
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strictEqual(util.isUndefined("string"), false);
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});
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});
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describe("isNullOrUndefined", () => {
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it("all cases", () => {
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strictEqual(util.isNullOrUndefined(null), true);
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strictEqual(util.isNullOrUndefined(undefined), true);
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strictEqual(util.isNullOrUndefined(), true);
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strictEqual(util.isNullOrUndefined("string"), false);
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});
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});
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describe("isNumber", () => {
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it("all cases", () => {
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strictEqual(util.isNumber(42), true);
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strictEqual(util.isNumber(), false);
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strictEqual(util.isNumber("string"), false);
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});
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});
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describe("isString", () => {
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it("all cases", () => {
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strictEqual(util.isString("string"), true);
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strictEqual(util.isString(), false);
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strictEqual(util.isString(42), false);
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});
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});
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describe("isSymbol", () => {
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it("all cases", () => {
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strictEqual(util.isSymbol(Symbol()), true);
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strictEqual(util.isSymbol(), false);
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strictEqual(util.isSymbol("string"), false);
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});
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});
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describe("isFunction", () => {
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it("all cases", () => {
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strictEqual(
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util.isFunction(() => {}),
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true
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);
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strictEqual(
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util.isFunction(function () {}),
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true
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);
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strictEqual(util.isFunction(), false);
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strictEqual(util.isFunction("string"), false);
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});
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});
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describe("types.isNativeError", () => {
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it("all cases", () => {
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strictEqual(util.types.isNativeError(new Error()), true);
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strictEqual(util.types.isNativeError(new TypeError()), true);
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strictEqual(util.types.isNativeError(new SyntaxError()), true);
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// TODO: unable to test due to dependency on context
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// strictEqual(util.types.isNativeError(new (context("Error"))()), true);
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// strictEqual(util.types.isNativeError(new (context("TypeError"))()), true);
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// strictEqual(
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// util.types.isNativeError(new (context("SyntaxError"))()),
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// true
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// );
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strictEqual(util.types.isNativeError({}), false);
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strictEqual(
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util.types.isNativeError({ name: "Error", message: "" }),
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false
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);
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strictEqual(util.types.isNativeError([]), false);
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// strictEqual( // FIXME: failing test
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// util.types.isNativeError(Object.create(Error.prototype)),
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// false
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// );
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// strictEqual( // FIXME: failing test
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// util.types.isNativeError(new errors.codes.ERR_IPC_CHANNEL_CLOSED()),
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// true
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// );
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});
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});
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// describe("", () => {
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// it("all cases", () => {
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// strictEqual(util.toUSVString("string\ud801"), "string\ufffd"); // TODO: currently unsupported
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// });
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// });
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describe("TextEncoder", () => {
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// test/bun.js/text-encoder.test.js covers test cases for TextEncoder
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// here we test only if we use the same via util.TextEncoder
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it("is same as global TextEncoder", () => {
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expect(util.TextEncoder === globalThis.TextEncoder).toBe(true);
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});
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});
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});
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