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312 lines
10 KiB
TypeScript
312 lines
10 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { test, assertEqual, assert } 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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// tslint:disable-next-line:no-any
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const { Console, libdeno, stringifyArgs, inspect, write, stdout } = Deno as any;
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const console = new Console(libdeno.print);
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// tslint:disable-next-line:no-any
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function stringify(...args: any[]): string {
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return stringifyArgs(args);
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}
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test(function consoleTestAssertShouldNotThrowError() {
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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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assertEqual(hasThrown, false);
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});
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test(function consoleTestStringifyComplexObjects() {
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assertEqual(stringify("foo"), "foo");
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assertEqual(stringify(["foo", "bar"]), `[ "foo", "bar" ]`);
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assertEqual(stringify({ foo: "bar" }), `{ foo: "bar" }`);
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});
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test(function consoleTestStringifyCircular() {
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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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// tslint:disable-next-line:no-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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// tslint:disable-next-line:max-line-length
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const nestedObjExpected = `{ num: 1, bool: true, str: "a", method: [Function: method], asyncMethod: [AsyncFunction: asyncMethod], generatorMethod: [GeneratorFunction: generatorMethod], un: undefined, nu: null, arrowFunc: [Function: arrowFunc], extendedClass: Extended { a: 1, b: 2 }, nFunc: [Function], extendedCstr: [Function: Extended], o: { num: 2, bool: false, str: "b", method: [Function: method], un: undefined, nu: null, nested: [Circular], emptyObj: {}, arr: [ 1, "s", false, null, [Circular] ], baseClass: Base { a: 1 } } }`;
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assertEqual(stringify(1), "1");
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assertEqual(stringify(1n), "1n");
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assertEqual(stringify("s"), "s");
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assertEqual(stringify(false), "false");
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// tslint:disable-next-line:no-construct
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assertEqual(stringify(new Number(1)), "[Number: 1]");
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// tslint:disable-next-line:no-construct
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assertEqual(stringify(new Boolean(true)), "[Boolean: true]");
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// tslint:disable-next-line:no-construct
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assertEqual(stringify(new String("deno")), `[String: "deno"]`);
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assertEqual(stringify(/[0-9]*/), "/[0-9]*/");
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assertEqual(
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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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assertEqual(stringify(new Set([1, 2, 3])), "Set { 1, 2, 3 }");
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assertEqual(
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stringify(new Map([[1, "one"], [2, "two"]])),
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`Map { 1 => "one", 2 => "two" }`
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);
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assertEqual(stringify(new WeakSet()), "WeakSet { [items unknown] }");
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assertEqual(stringify(new WeakMap()), "WeakMap { [items unknown] }");
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assertEqual(stringify(Symbol(1)), "Symbol(1)");
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assertEqual(stringify(null), "null");
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assertEqual(stringify(undefined), "undefined");
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assertEqual(stringify(new Extended()), "Extended { a: 1, b: 2 }");
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assertEqual(stringify(function f() {}), "[Function: f]");
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assertEqual(stringify(async function af() {}), "[AsyncFunction: af]");
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assertEqual(stringify(function* gf() {}), "[GeneratorFunction: gf]");
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assertEqual(
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stringify(async function* agf() {}),
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"[AsyncGeneratorFunction: agf]"
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);
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assertEqual(stringify(new Uint8Array([1, 2, 3])), "Uint8Array [ 1, 2, 3 ]");
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assertEqual(stringify(Uint8Array.prototype), "TypedArray []");
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assertEqual(
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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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assertEqual(stringify(nestedObj), nestedObjExpected);
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assertEqual(stringify(JSON), "{}");
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assertEqual(
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stringify(console),
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// tslint:disable-next-line:max-line-length
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"Console { printFunc: [Function], log: [Function], debug: [Function], info: [Function], dir: [Function], warn: [Function], error: [Function], assert: [Function], count: [Function], countReset: [Function], table: [Function], time: [Function], timeLog: [Function], timeEnd: [Function], group: [Function], groupCollapsed: [Function], groupEnd: [Function], clear: [Function], indentLevel: 0, collapsedAt: null }"
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);
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// test inspect is working the same
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assertEqual(inspect(nestedObj), nestedObjExpected);
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});
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test(function consoleTestStringifyWithDepth() {
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// tslint:disable-next-line:no-any
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const nestedObj: any = { a: { b: { c: { d: { e: { f: 42 } } } } } };
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assertEqual(
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stringifyArgs([nestedObj], { depth: 3 }),
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"{ a: { b: { c: [Object] } } }"
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);
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assertEqual(
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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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assertEqual(stringifyArgs([nestedObj], { depth: 0 }), "[Object]");
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assertEqual(
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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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assertEqual(
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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 consoleTestWithIntegerFormatSpecifier() {
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assertEqual(stringify("%i"), "%i");
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assertEqual(stringify("%i", 42.0), "42");
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assertEqual(stringify("%i", 42), "42");
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assertEqual(stringify("%i", "42"), "42");
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assertEqual(stringify("%i", "42.0"), "42");
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assertEqual(stringify("%i", 1.5), "1");
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assertEqual(stringify("%i", -0.5), "0");
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assertEqual(stringify("%i", ""), "NaN");
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assertEqual(stringify("%i", Symbol()), "NaN");
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assertEqual(stringify("%i %d", 42, 43), "42 43");
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assertEqual(stringify("%d %i", 42), "42 %i");
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assertEqual(stringify("%d", 12345678901234567890123), "1");
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assertEqual(
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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() {
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assertEqual(stringify("%f"), "%f");
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assertEqual(stringify("%f", 42.0), "42");
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assertEqual(stringify("%f", 42), "42");
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assertEqual(stringify("%f", "42"), "42");
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assertEqual(stringify("%f", "42.0"), "42");
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assertEqual(stringify("%f", 1.5), "1.5");
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assertEqual(stringify("%f", -0.5), "-0.5");
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assertEqual(stringify("%f", Math.PI), "3.141592653589793");
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assertEqual(stringify("%f", ""), "NaN");
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assertEqual(stringify("%f", Symbol("foo")), "NaN");
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assertEqual(stringify("%f", 5n), "5");
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assertEqual(stringify("%f %f", 42, 43), "42 43");
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assertEqual(stringify("%f %f", 42), "42 %f");
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});
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test(function consoleTestWithStringFormatSpecifier() {
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assertEqual(stringify("%s"), "%s");
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assertEqual(stringify("%s", undefined), "undefined");
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assertEqual(stringify("%s", "foo"), "foo");
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assertEqual(stringify("%s", 42), "42");
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assertEqual(stringify("%s", "42"), "42");
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assertEqual(stringify("%s %s", 42, 43), "42 43");
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assertEqual(stringify("%s %s", 42), "42 %s");
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assertEqual(stringify("%s", Symbol("foo")), "Symbol(foo)");
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});
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test(function consoleTestWithObjectFormatSpecifier() {
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assertEqual(stringify("%o"), "%o");
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assertEqual(stringify("%o", 42), "42");
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assertEqual(stringify("%o", "foo"), "foo");
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assertEqual(stringify("o: %o, a: %O", {}, []), "o: {}, a: []");
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assertEqual(stringify("%o", { a: 42 }), "{ a: 42 }");
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assertEqual(
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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() {
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assertEqual(stringify("%s:%s"), "%s:%s");
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assertEqual(stringify("%i:%i"), "%i:%i");
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assertEqual(stringify("%d:%d"), "%d:%d");
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assertEqual(stringify("%%s%s", "foo"), "%sfoo");
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assertEqual(stringify("%s:%s", undefined), "undefined:%s");
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assertEqual(stringify("%s:%s", "foo", "bar"), "foo:bar");
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assertEqual(stringify("%s:%s", "foo", "bar", "baz"), "foo:bar baz");
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assertEqual(stringify("%%%s%%", "hi"), "%hi%");
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assertEqual(stringify("%d:%d", 12), "12:%d");
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assertEqual(stringify("%i:%i", 12), "12:%i");
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assertEqual(stringify("%f:%f", 12), "12:%f");
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assertEqual(stringify("o: %o, a: %o", {}), "o: {}, a: %o");
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assertEqual(stringify("abc%", 1), "abc% 1");
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});
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test(function consoleTestCallToStringOnLabel() {
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const methods = ["count", "countReset", "time", "timeLog", "timeEnd"];
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for (const method of methods) {
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let hasCalled = false;
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console[method]({
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toString() {
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hasCalled = true;
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}
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});
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assertEqual(hasCalled, true);
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}
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});
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test(function consoleTestError() {
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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")[3]
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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() {
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const stdoutWrite = stdout.write;
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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.write = async u8 => {
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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 await write(stdout.rid, u8);
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};
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console.clear();
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stdout.write = stdoutWrite;
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assertEqual(buffer, uint8);
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});
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// Test bound this issue
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test(function consoleDetachedLog() {
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const log = console.log;
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const dir = console.dir;
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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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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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