// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// deno-lint-ignore-file no-explicit-anyimport{ assert }from"../testing/asserts.ts";import{ isatty }from"./tty.ts"; Deno.test("[node/tty isatty] returns true when fd is a tty, false otherwise",()=>{assert(Deno.isatty(Deno.stdin.rid)===isatty(Deno.stdin.rid));assert(Deno.isatty(Deno.stdout.rid)===isatty(Deno.stdout.rid));assert(Deno.isatty(Deno.stderr.rid)===isatty(Deno.stderr.rid)); const file =Deno.openSync("README.md");assert(!isatty(file.rid));Deno.close(file.rid);}); Deno.test("[node/tty isatty] returns false for irrelevant values",()=>{// invalid numeric fdassert(!isatty(1234567));assert(!isatty(-1)); // invalid type fdassert(!isatty("abc"asany));assert(!isatty({}asany));assert(!isatty([]asany));assert(!isatty(nullasany));assert(!isatty(undefinedasany));});