mirror of
https://github.com/denoland/deno.git
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706 lines
21 KiB
TypeScript
706 lines
21 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { assert, assertEquals, test } from "./test_util.ts";
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// Some of these APIs aren't exposed in the types and so we have to cast to any
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// in order to "trick" TypeScript.
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const {
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inspect,
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writeSync,
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stdout
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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} = Deno as any;
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const customInspect = Deno.symbols.customInspect;
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const {
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Console,
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stringifyArgs
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// @ts-ignore TypeScript (as of 3.7) does not support indexing namespaces by symbol
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} = Deno[Deno.symbols.internal];
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function stringify(...args: unknown[]): string {
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return stringifyArgs(args).replace(/\n$/, "");
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}
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// test cases from web-platform-tests
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// via https://github.com/web-platform-tests/wpt/blob/master/console/console-is-a-namespace.any.js
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test(function consoleShouldBeANamespace(): void {
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const prototype1 = Object.getPrototypeOf(console);
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const prototype2 = Object.getPrototypeOf(prototype1);
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assertEquals(Object.getOwnPropertyNames(prototype1).length, 0);
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assertEquals(prototype2, Object.prototype);
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});
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test(function consoleHasRightInstance(): void {
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assert(console instanceof Console);
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assertEquals({} instanceof Console, false);
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});
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test(function consoleTestAssertShouldNotThrowError(): void {
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mockConsole(console => {
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console.assert(true);
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let hasThrown = undefined;
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try {
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console.assert(false);
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hasThrown = false;
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} catch {
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hasThrown = true;
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}
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assertEquals(hasThrown, false);
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});
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});
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test(function consoleTestStringifyComplexObjects(): void {
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assertEquals(stringify("foo"), "foo");
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assertEquals(stringify(["foo", "bar"]), `[ "foo", "bar" ]`);
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assertEquals(stringify({ foo: "bar" }), `{ foo: "bar" }`);
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});
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test(function consoleTestStringifyLongStrings(): void {
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const veryLongString = "a".repeat(200);
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// If we stringify an object containing the long string, it gets abbreviated.
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let actual = stringify({ veryLongString });
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assert(actual.includes("..."));
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assert(actual.length < 200);
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// However if we stringify the string itself, we get it exactly.
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actual = stringify(veryLongString);
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assertEquals(actual, veryLongString);
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});
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/* eslint-disable @typescript-eslint/explicit-function-return-type */
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test(function consoleTestStringifyCircular(): void {
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class Base {
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a = 1;
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m1() {}
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}
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class Extended extends Base {
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b = 2;
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m2() {}
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const nestedObj: any = {
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num: 1,
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bool: true,
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str: "a",
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method() {},
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async asyncMethod() {},
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*generatorMethod() {},
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un: undefined,
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nu: null,
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arrowFunc: () => {},
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extendedClass: new Extended(),
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nFunc: new Function(),
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extendedCstr: Extended
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};
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const circularObj = {
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num: 2,
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bool: false,
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str: "b",
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method() {},
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un: undefined,
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nu: null,
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nested: nestedObj,
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emptyObj: {},
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arr: [1, "s", false, null, nestedObj],
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baseClass: new Base()
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};
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nestedObj.o = circularObj;
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const nestedObjExpected = `{ num, bool, str, method, asyncMethod, generatorMethod, un, nu, arrowFunc, extendedClass, nFunc, extendedCstr, o }`;
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assertEquals(stringify(1), "1");
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assertEquals(stringify(-0), "-0");
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assertEquals(stringify(1n), "1n");
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assertEquals(stringify("s"), "s");
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assertEquals(stringify(false), "false");
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assertEquals(stringify(new Number(1)), "[Number: 1]");
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assertEquals(stringify(new Boolean(true)), "[Boolean: true]");
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assertEquals(stringify(new String("deno")), `[String: "deno"]`);
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assertEquals(stringify(/[0-9]*/), "/[0-9]*/");
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assertEquals(
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stringify(new Date("2018-12-10T02:26:59.002Z")),
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"2018-12-10T02:26:59.002Z"
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);
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assertEquals(stringify(new Set([1, 2, 3])), "Set { 1, 2, 3 }");
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assertEquals(
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stringify(
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new Map([
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[1, "one"],
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[2, "two"]
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])
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),
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`Map { 1 => "one", 2 => "two" }`
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);
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assertEquals(stringify(new WeakSet()), "WeakSet { [items unknown] }");
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assertEquals(stringify(new WeakMap()), "WeakMap { [items unknown] }");
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assertEquals(stringify(Symbol(1)), "Symbol(1)");
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assertEquals(stringify(null), "null");
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assertEquals(stringify(undefined), "undefined");
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assertEquals(stringify(new Extended()), "Extended { a: 1, b: 2 }");
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assertEquals(
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stringify(function f(): void {}),
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"[Function: f]"
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);
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assertEquals(
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stringify(async function af(): Promise<void> {}),
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"[AsyncFunction: af]"
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);
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assertEquals(
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stringify(function* gf() {}),
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"[GeneratorFunction: gf]"
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);
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assertEquals(
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stringify(async function* agf() {}),
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"[AsyncGeneratorFunction: agf]"
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);
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assertEquals(stringify(new Uint8Array([1, 2, 3])), "Uint8Array [ 1, 2, 3 ]");
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assertEquals(stringify(Uint8Array.prototype), "TypedArray []");
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assertEquals(
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stringify({ a: { b: { c: { d: new Set([1]) } } } }),
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"{ a: { b: { c: { d: [Set] } } } }"
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);
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assertEquals(stringify(nestedObj), nestedObjExpected);
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assertEquals(stringify(JSON), "{}");
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assertEquals(
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stringify(console),
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"{ printFunc, log, debug, info, dir, dirxml, warn, error, assert, count, countReset, table, time, timeLog, timeEnd, group, groupCollapsed, groupEnd, clear, trace, indentLevel }"
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);
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// test inspect is working the same
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assertEquals(inspect(nestedObj), nestedObjExpected);
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});
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/* eslint-enable @typescript-eslint/explicit-function-return-type */
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test(function consoleTestStringifyWithDepth(): void {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const nestedObj: any = { a: { b: { c: { d: { e: { f: 42 } } } } } };
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assertEquals(
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stringifyArgs([nestedObj], { depth: 3 }),
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"{ a: { b: { c: [Object] } } }"
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);
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assertEquals(
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stringifyArgs([nestedObj], { depth: 4 }),
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"{ a: { b: { c: { d: [Object] } } } }"
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);
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assertEquals(stringifyArgs([nestedObj], { depth: 0 }), "[Object]");
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assertEquals(
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stringifyArgs([nestedObj], { depth: null }),
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"{ a: { b: { c: { d: [Object] } } } }"
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);
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// test inspect is working the same way
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assertEquals(
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inspect(nestedObj, { depth: 4 }),
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"{ a: { b: { c: { d: [Object] } } } }"
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);
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});
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test(function consoleTestWithCustomInspector(): void {
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class A {
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[customInspect](): string {
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return "b";
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}
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}
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assertEquals(stringify(new A()), "b");
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});
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test(function consoleTestWithCustomInspectorError(): void {
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class A {
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[customInspect](): string {
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throw new Error("BOOM");
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return "b";
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}
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}
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assertEquals(stringify(new A()), "A {}");
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class B {
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constructor(public field: { a: string }) {}
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[customInspect](): string {
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return this.field.a;
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}
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}
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assertEquals(stringify(new B({ a: "a" })), "a");
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assertEquals(stringify(B.prototype), "{}");
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});
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test(function consoleTestWithIntegerFormatSpecifier(): void {
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assertEquals(stringify("%i"), "%i");
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assertEquals(stringify("%i", 42.0), "42");
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assertEquals(stringify("%i", 42), "42");
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assertEquals(stringify("%i", "42"), "42");
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assertEquals(stringify("%i", "42.0"), "42");
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assertEquals(stringify("%i", 1.5), "1");
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assertEquals(stringify("%i", -0.5), "0");
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assertEquals(stringify("%i", ""), "NaN");
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assertEquals(stringify("%i", Symbol()), "NaN");
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assertEquals(stringify("%i %d", 42, 43), "42 43");
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assertEquals(stringify("%d %i", 42), "42 %i");
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assertEquals(stringify("%d", 12345678901234567890123), "1");
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assertEquals(
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stringify("%i", 12345678901234567890123n),
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"12345678901234567890123n"
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);
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});
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test(function consoleTestWithFloatFormatSpecifier(): void {
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assertEquals(stringify("%f"), "%f");
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assertEquals(stringify("%f", 42.0), "42");
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assertEquals(stringify("%f", 42), "42");
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assertEquals(stringify("%f", "42"), "42");
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assertEquals(stringify("%f", "42.0"), "42");
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assertEquals(stringify("%f", 1.5), "1.5");
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assertEquals(stringify("%f", -0.5), "-0.5");
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assertEquals(stringify("%f", Math.PI), "3.141592653589793");
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assertEquals(stringify("%f", ""), "NaN");
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assertEquals(stringify("%f", Symbol("foo")), "NaN");
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assertEquals(stringify("%f", 5n), "5");
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assertEquals(stringify("%f %f", 42, 43), "42 43");
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assertEquals(stringify("%f %f", 42), "42 %f");
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});
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test(function consoleTestWithStringFormatSpecifier(): void {
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assertEquals(stringify("%s"), "%s");
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assertEquals(stringify("%s", undefined), "undefined");
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assertEquals(stringify("%s", "foo"), "foo");
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assertEquals(stringify("%s", 42), "42");
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assertEquals(stringify("%s", "42"), "42");
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assertEquals(stringify("%s %s", 42, 43), "42 43");
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assertEquals(stringify("%s %s", 42), "42 %s");
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assertEquals(stringify("%s", Symbol("foo")), "Symbol(foo)");
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});
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test(function consoleTestWithObjectFormatSpecifier(): void {
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assertEquals(stringify("%o"), "%o");
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assertEquals(stringify("%o", 42), "42");
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assertEquals(stringify("%o", "foo"), "foo");
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assertEquals(stringify("o: %o, a: %O", {}, []), "o: {}, a: []");
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assertEquals(stringify("%o", { a: 42 }), "{ a: 42 }");
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assertEquals(
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stringify("%o", { a: { b: { c: { d: new Set([1]) } } } }),
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"{ a: { b: { c: { d: [Set] } } } }"
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);
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});
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test(function consoleTestWithVariousOrInvalidFormatSpecifier(): void {
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assertEquals(stringify("%s:%s"), "%s:%s");
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assertEquals(stringify("%i:%i"), "%i:%i");
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assertEquals(stringify("%d:%d"), "%d:%d");
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assertEquals(stringify("%%s%s", "foo"), "%sfoo");
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assertEquals(stringify("%s:%s", undefined), "undefined:%s");
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assertEquals(stringify("%s:%s", "foo", "bar"), "foo:bar");
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assertEquals(stringify("%s:%s", "foo", "bar", "baz"), "foo:bar baz");
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assertEquals(stringify("%%%s%%", "hi"), "%hi%");
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assertEquals(stringify("%d:%d", 12), "12:%d");
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assertEquals(stringify("%i:%i", 12), "12:%i");
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assertEquals(stringify("%f:%f", 12), "12:%f");
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assertEquals(stringify("o: %o, a: %o", {}), "o: {}, a: %o");
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assertEquals(stringify("abc%", 1), "abc% 1");
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});
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test(function consoleTestCallToStringOnLabel(): void {
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const methods = ["count", "countReset", "time", "timeLog", "timeEnd"];
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mockConsole(console => {
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for (const method of methods) {
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let hasCalled = false;
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// @ts-ignore
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console[method]({
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toString(): void {
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hasCalled = true;
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}
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});
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assertEquals(hasCalled, true);
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}
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});
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});
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test(function consoleTestError(): void {
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class MyError extends Error {
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constructor(errStr: string) {
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super(errStr);
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this.name = "MyError";
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}
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}
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try {
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throw new MyError("This is an error");
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} catch (e) {
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assert(
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stringify(e)
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.split("\n")[0] // error has been caught
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.includes("MyError: This is an error")
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);
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}
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});
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test(function consoleTestClear(): void {
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const stdoutWriteSync = stdout.writeSync;
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const uint8 = new TextEncoder().encode("\x1b[1;1H" + "\x1b[0J");
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let buffer = new Uint8Array(0);
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stdout.writeSync = (u8: Uint8Array): Promise<number> => {
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const tmp = new Uint8Array(buffer.length + u8.length);
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tmp.set(buffer, 0);
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tmp.set(u8, buffer.length);
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buffer = tmp;
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return writeSync(stdout.rid, u8);
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};
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console.clear();
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stdout.writeSync = stdoutWriteSync;
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assertEquals(buffer, uint8);
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});
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// Test bound this issue
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test(function consoleDetachedLog(): void {
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mockConsole(console => {
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const log = console.log;
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const dir = console.dir;
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const dirxml = console.dirxml;
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const debug = console.debug;
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const info = console.info;
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const warn = console.warn;
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const error = console.error;
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const consoleAssert = console.assert;
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const consoleCount = console.count;
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const consoleCountReset = console.countReset;
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const consoleTable = console.table;
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const consoleTime = console.time;
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const consoleTimeLog = console.timeLog;
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const consoleTimeEnd = console.timeEnd;
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const consoleGroup = console.group;
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const consoleGroupEnd = console.groupEnd;
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const consoleClear = console.clear;
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log("Hello world");
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dir("Hello world");
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dirxml("Hello world");
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debug("Hello world");
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info("Hello world");
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warn("Hello world");
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error("Hello world");
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consoleAssert(true);
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consoleCount("Hello world");
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consoleCountReset("Hello world");
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consoleTable({ test: "Hello world" });
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consoleTime("Hello world");
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consoleTimeLog("Hello world");
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consoleTimeEnd("Hello world");
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consoleGroup("Hello world");
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consoleGroupEnd();
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consoleClear();
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});
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});
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class StringBuffer {
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chunks: string[] = [];
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add(x: string): void {
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this.chunks.push(x);
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}
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toString(): string {
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return this.chunks.join("");
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}
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}
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type ConsoleExamineFunc = (
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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csl: any,
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out: StringBuffer,
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err?: StringBuffer,
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both?: StringBuffer
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) => void;
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function mockConsole(f: ConsoleExamineFunc): void {
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const out = new StringBuffer();
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const err = new StringBuffer();
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const both = new StringBuffer();
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const csl = new Console(
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(x: string, isErr: boolean, printsNewLine: boolean): void => {
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const content = x + (printsNewLine ? "\n" : "");
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const buf = isErr ? err : out;
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buf.add(content);
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both.add(content);
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}
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);
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f(csl, out, err, both);
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}
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// console.group test
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test(function consoleGroup(): void {
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mockConsole((console, out): void => {
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console.group("1");
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console.log("2");
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console.group("3");
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console.log("4");
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console.groupEnd();
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console.groupEnd();
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console.log("5");
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console.log("6");
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assertEquals(
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out.toString(),
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`1
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2
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3
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4
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5
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6
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`
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);
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});
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});
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// console.group with console.warn test
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test(function consoleGroupWarn(): void {
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mockConsole((console, _out, _err, both): void => {
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assert(both);
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console.warn("1");
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console.group();
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console.warn("2");
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console.group();
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console.warn("3");
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console.groupEnd();
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console.warn("4");
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console.groupEnd();
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console.warn("5");
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console.warn("6");
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console.warn("7");
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assertEquals(
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both.toString(),
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`1
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2
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3
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4
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5
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6
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7
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`
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);
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});
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});
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// console.table test
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test(function consoleTable(): void {
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mockConsole((console, out): void => {
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console.table({ a: "test", b: 1 });
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assertEquals(
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out.toString(),
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`┌─────────┬────────┐
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│ (index) │ Values │
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├─────────┼────────┤
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│ a │ "test" │
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│ b │ 1 │
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└─────────┴────────┘
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`
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);
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});
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mockConsole((console, out): void => {
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console.table({ a: { b: 10 }, b: { b: 20, c: 30 } }, ["c"]);
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assertEquals(
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out.toString(),
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`┌─────────┬────┐
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│ (index) │ c │
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├─────────┼────┤
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│ a │ │
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│ b │ 30 │
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└─────────┴────┘
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`
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);
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});
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mockConsole((console, out): void => {
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console.table([1, 2, [3, [4]], [5, 6], [[7], [8]]]);
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assertEquals(
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out.toString(),
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`┌─────────┬───────┬───────┬────────┐
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│ (index) │ 0 │ 1 │ Values │
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├─────────┼───────┼───────┼────────┤
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│ 0 │ │ │ 1 │
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│ 1 │ │ │ 2 │
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│ 2 │ 3 │ [ 4 ] │ │
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│ 3 │ 5 │ 6 │ │
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│ 4 │ [ 7 ] │ [ 8 ] │ │
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└─────────┴───────┴───────┴────────┘
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`
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|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table(new Set([1, 2, 3, "test"]));
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌───────────────────┬────────┐
|
|
│ (iteration index) │ Values │
|
|
├───────────────────┼────────┤
|
|
│ 0 │ 1 │
|
|
│ 1 │ 2 │
|
|
│ 2 │ 3 │
|
|
│ 3 │ "test" │
|
|
└───────────────────┴────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table(
|
|
new Map([
|
|
[1, "one"],
|
|
[2, "two"]
|
|
])
|
|
);
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌───────────────────┬─────┬────────┐
|
|
│ (iteration index) │ Key │ Values │
|
|
├───────────────────┼─────┼────────┤
|
|
│ 0 │ 1 │ "one" │
|
|
│ 1 │ 2 │ "two" │
|
|
└───────────────────┴─────┴────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table({
|
|
a: true,
|
|
b: { c: { d: 10 }, e: [1, 2, [5, 6]] },
|
|
f: "test",
|
|
g: new Set([1, 2, 3, "test"]),
|
|
h: new Map([[1, "one"]])
|
|
});
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌─────────┬───────────┬───────────────────┬────────┐
|
|
│ (index) │ c │ e │ Values │
|
|
├─────────┼───────────┼───────────────────┼────────┤
|
|
│ a │ │ │ true │
|
|
│ b │ { d: 10 } │ [ 1, 2, [Array] ] │ │
|
|
│ f │ │ │ "test" │
|
|
│ g │ │ │ │
|
|
│ h │ │ │ │
|
|
└─────────┴───────────┴───────────────────┴────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table([
|
|
1,
|
|
"test",
|
|
false,
|
|
{ a: 10 },
|
|
["test", { b: 20, c: "test" }]
|
|
]);
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌─────────┬────────┬──────────────────────┬────┬────────┐
|
|
│ (index) │ 0 │ 1 │ a │ Values │
|
|
├─────────┼────────┼──────────────────────┼────┼────────┤
|
|
│ 0 │ │ │ │ 1 │
|
|
│ 1 │ │ │ │ "test" │
|
|
│ 2 │ │ │ │ false │
|
|
│ 3 │ │ │ 10 │ │
|
|
│ 4 │ "test" │ { b: 20, c: "test" } │ │ │
|
|
└─────────┴────────┴──────────────────────┴────┴────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table([]);
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌─────────┐
|
|
│ (index) │
|
|
├─────────┤
|
|
└─────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table({});
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌─────────┐
|
|
│ (index) │
|
|
├─────────┤
|
|
└─────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table(new Set());
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌───────────────────┐
|
|
│ (iteration index) │
|
|
├───────────────────┤
|
|
└───────────────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table(new Map());
|
|
assertEquals(
|
|
out.toString(),
|
|
`┌───────────────────┐
|
|
│ (iteration index) │
|
|
├───────────────────┤
|
|
└───────────────────┘
|
|
`
|
|
);
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.table("test");
|
|
assertEquals(out.toString(), "test\n");
|
|
});
|
|
});
|
|
|
|
// console.log(Error) test
|
|
test(function consoleLogShouldNotThrowError(): void {
|
|
mockConsole(console => {
|
|
let result = 0;
|
|
try {
|
|
console.log(new Error("foo"));
|
|
result = 1;
|
|
} catch (e) {
|
|
result = 2;
|
|
}
|
|
assertEquals(result, 1);
|
|
});
|
|
|
|
// output errors to the console should not include "Uncaught"
|
|
mockConsole((console, out): void => {
|
|
console.log(new Error("foo"));
|
|
assertEquals(out.toString().includes("Uncaught"), false);
|
|
});
|
|
});
|
|
|
|
// console.dir test
|
|
test(function consoleDir(): void {
|
|
mockConsole((console, out): void => {
|
|
console.dir("DIR");
|
|
assertEquals(out.toString(), "DIR\n");
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.dir("DIR", { indentLevel: 2 });
|
|
assertEquals(out.toString(), " DIR\n");
|
|
});
|
|
});
|
|
|
|
// console.dir test
|
|
test(function consoleDirXml(): void {
|
|
mockConsole((console, out): void => {
|
|
console.dirxml("DIRXML");
|
|
assertEquals(out.toString(), "DIRXML\n");
|
|
});
|
|
mockConsole((console, out): void => {
|
|
console.dirxml("DIRXML", { indentLevel: 2 });
|
|
assertEquals(out.toString(), " DIRXML\n");
|
|
});
|
|
});
|
|
|
|
// console.trace test
|
|
test(function consoleTrace(): void {
|
|
mockConsole((console, _out, err): void => {
|
|
console.trace("%s", "custom message");
|
|
assert(err);
|
|
assert(err.toString().includes("Trace: custom message"));
|
|
});
|
|
});
|