mirror of
https://github.com/nodejs/node.git
synced 2024-11-29 23:16:30 +01:00
3fe165ace6
PR-URL: https://github.com/nodejs/node/pull/16938 Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
275 lines
10 KiB
JavaScript
275 lines
10 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
require('../common');
|
|
const assert = require('assert');
|
|
const util = require('util');
|
|
const symbol = Symbol('foo');
|
|
|
|
assert.strictEqual(util.format(), '');
|
|
assert.strictEqual(util.format(''), '');
|
|
assert.strictEqual(util.format([]), '[]');
|
|
assert.strictEqual(util.format([0]), '[ 0 ]');
|
|
assert.strictEqual(util.format({}), '{}');
|
|
assert.strictEqual(util.format({ foo: 42 }), '{ foo: 42 }');
|
|
assert.strictEqual(util.format(null), 'null');
|
|
assert.strictEqual(util.format(true), 'true');
|
|
assert.strictEqual(util.format(false), 'false');
|
|
assert.strictEqual(util.format('test'), 'test');
|
|
|
|
// CHECKME this is for console.log() compatibility - but is it *right*?
|
|
assert.strictEqual(util.format('foo', 'bar', 'baz'), 'foo bar baz');
|
|
|
|
// ES6 Symbol handling
|
|
assert.strictEqual(util.format(symbol), 'Symbol(foo)');
|
|
assert.strictEqual(util.format('foo', symbol), 'foo Symbol(foo)');
|
|
assert.strictEqual(util.format('%s', symbol), 'Symbol(foo)');
|
|
assert.strictEqual(util.format('%j', symbol), 'undefined');
|
|
assert.throws(function() {
|
|
util.format('%d', symbol);
|
|
}, /^TypeError: Cannot convert a Symbol value to a number$/);
|
|
|
|
// Number format specifier
|
|
assert.strictEqual(util.format('%d'), '%d');
|
|
assert.strictEqual(util.format('%d', 42.0), '42');
|
|
assert.strictEqual(util.format('%d', 42), '42');
|
|
assert.strictEqual(util.format('%d', '42'), '42');
|
|
assert.strictEqual(util.format('%d', '42.0'), '42');
|
|
assert.strictEqual(util.format('%d', 1.5), '1.5');
|
|
assert.strictEqual(util.format('%d', -0.5), '-0.5');
|
|
assert.strictEqual(util.format('%d', ''), '0');
|
|
assert.strictEqual(util.format('%d %d', 42, 43), '42 43');
|
|
assert.strictEqual(util.format('%d %d', 42), '42 %d');
|
|
|
|
// Integer format specifier
|
|
assert.strictEqual(util.format('%i'), '%i');
|
|
assert.strictEqual(util.format('%i', 42.0), '42');
|
|
assert.strictEqual(util.format('%i', 42), '42');
|
|
assert.strictEqual(util.format('%i', '42'), '42');
|
|
assert.strictEqual(util.format('%i', '42.0'), '42');
|
|
assert.strictEqual(util.format('%i', 1.5), '1');
|
|
assert.strictEqual(util.format('%i', -0.5), '0');
|
|
assert.strictEqual(util.format('%i', ''), 'NaN');
|
|
assert.strictEqual(util.format('%i %i', 42, 43), '42 43');
|
|
assert.strictEqual(util.format('%i %i', 42), '42 %i');
|
|
|
|
// Float format specifier
|
|
assert.strictEqual(util.format('%f'), '%f');
|
|
assert.strictEqual(util.format('%f', 42.0), '42');
|
|
assert.strictEqual(util.format('%f', 42), '42');
|
|
assert.strictEqual(util.format('%f', '42'), '42');
|
|
assert.strictEqual(util.format('%f', '42.0'), '42');
|
|
assert.strictEqual(util.format('%f', 1.5), '1.5');
|
|
assert.strictEqual(util.format('%f', -0.5), '-0.5');
|
|
assert.strictEqual(util.format('%f', Math.PI), '3.141592653589793');
|
|
assert.strictEqual(util.format('%f', ''), 'NaN');
|
|
assert.strictEqual(util.format('%f %f', 42, 43), '42 43');
|
|
assert.strictEqual(util.format('%f %f', 42), '42 %f');
|
|
|
|
// String format specifier
|
|
assert.strictEqual(util.format('%s'), '%s');
|
|
assert.strictEqual(util.format('%s', undefined), 'undefined');
|
|
assert.strictEqual(util.format('%s', 'foo'), 'foo');
|
|
assert.strictEqual(util.format('%s', 42), '42');
|
|
assert.strictEqual(util.format('%s', '42'), '42');
|
|
assert.strictEqual(util.format('%s %s', 42, 43), '42 43');
|
|
assert.strictEqual(util.format('%s %s', 42), '42 %s');
|
|
|
|
// JSON format specifier
|
|
assert.strictEqual(util.format('%j'), '%j');
|
|
assert.strictEqual(util.format('%j', 42), '42');
|
|
assert.strictEqual(util.format('%j', '42'), '"42"');
|
|
assert.strictEqual(util.format('%j %j', 42, 43), '42 43');
|
|
assert.strictEqual(util.format('%j %j', 42), '42 %j');
|
|
|
|
// Object format specifier
|
|
const obj = {
|
|
foo: 'bar',
|
|
foobar: 1,
|
|
func: function() {}
|
|
};
|
|
const nestedObj = {
|
|
foo: 'bar',
|
|
foobar: {
|
|
foo: 'bar',
|
|
func: function() {}
|
|
}
|
|
};
|
|
const nestedObj2 = {
|
|
foo: 'bar',
|
|
foobar: 1,
|
|
func: [{ a: function() {} }]
|
|
};
|
|
assert.strictEqual(util.format('%o'), '%o');
|
|
assert.strictEqual(util.format('%o', 42), '42');
|
|
assert.strictEqual(util.format('%o', 'foo'), '\'foo\'');
|
|
assert.strictEqual(
|
|
util.format('%o', obj),
|
|
'{ foo: \'bar\',\n' +
|
|
' foobar: 1,\n' +
|
|
' func: \n' +
|
|
' { [Function: func]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'func\',\n' +
|
|
' [prototype]: func { [constructor]: [Circular] } } }');
|
|
assert.strictEqual(
|
|
util.format('%o', nestedObj2),
|
|
'{ foo: \'bar\',\n' +
|
|
' foobar: 1,\n' +
|
|
' func: \n' +
|
|
' [ { a: \n' +
|
|
' { [Function: a]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'a\',\n' +
|
|
' [prototype]: a { [constructor]: [Circular] } } },\n' +
|
|
' [length]: 1 ] }');
|
|
assert.strictEqual(
|
|
util.format('%o', nestedObj),
|
|
'{ foo: \'bar\',\n' +
|
|
' foobar: \n' +
|
|
' { foo: \'bar\',\n' +
|
|
' func: \n' +
|
|
' { [Function: func]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'func\',\n' +
|
|
' [prototype]: func { [constructor]: [Circular] } } } }');
|
|
assert.strictEqual(
|
|
util.format('%o %o', obj, obj),
|
|
'{ foo: \'bar\',\n' +
|
|
' foobar: 1,\n' +
|
|
' func: \n' +
|
|
' { [Function: func]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'func\',\n' +
|
|
' [prototype]: func { [constructor]: [Circular] } } }' +
|
|
' { foo: \'bar\',\n' +
|
|
' foobar: 1,\n' +
|
|
' func: \n' +
|
|
' { [Function: func]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'func\',\n' +
|
|
' [prototype]: func { [constructor]: [Circular] } } }');
|
|
assert.strictEqual(
|
|
util.format('%o %o', obj),
|
|
'{ foo: \'bar\',\n' +
|
|
' foobar: 1,\n' +
|
|
' func: \n' +
|
|
' { [Function: func]\n' +
|
|
' [length]: 0,\n' +
|
|
' [name]: \'func\',\n' +
|
|
' [prototype]: func { [constructor]: [Circular] } } } %o');
|
|
|
|
assert.strictEqual(util.format('%O'), '%O');
|
|
assert.strictEqual(util.format('%O', 42), '42');
|
|
assert.strictEqual(util.format('%O', 'foo'), '\'foo\'');
|
|
assert.strictEqual(
|
|
util.format('%O', obj),
|
|
'{ foo: \'bar\', foobar: 1, func: [Function: func] }');
|
|
assert.strictEqual(
|
|
util.format('%O', nestedObj),
|
|
'{ foo: \'bar\', foobar: { foo: \'bar\', func: [Function: func] } }');
|
|
assert.strictEqual(
|
|
util.format('%O %O', obj, obj),
|
|
'{ foo: \'bar\', foobar: 1, func: [Function: func] } ' +
|
|
'{ foo: \'bar\', foobar: 1, func: [Function: func] }');
|
|
assert.strictEqual(
|
|
util.format('%O %O', obj),
|
|
'{ foo: \'bar\', foobar: 1, func: [Function: func] } %O');
|
|
|
|
// Various format specifiers
|
|
assert.strictEqual(util.format('%%s%s', 'foo'), '%sfoo');
|
|
assert.strictEqual(util.format('%s:%s'), '%s:%s');
|
|
assert.strictEqual(util.format('%s:%s', undefined), 'undefined:%s');
|
|
assert.strictEqual(util.format('%s:%s', 'foo'), 'foo:%s');
|
|
assert.strictEqual(util.format('%s:%i', 'foo'), 'foo:%i');
|
|
assert.strictEqual(util.format('%s:%f', 'foo'), 'foo:%f');
|
|
assert.strictEqual(util.format('%s:%s', 'foo', 'bar'), 'foo:bar');
|
|
assert.strictEqual(util.format('%s:%s', 'foo', 'bar', 'baz'), 'foo:bar baz');
|
|
assert.strictEqual(util.format('%%%s%%', 'hi'), '%hi%');
|
|
assert.strictEqual(util.format('%%%s%%%%', 'hi'), '%hi%%');
|
|
assert.strictEqual(util.format('%sbc%%def', 'a'), 'abc%def');
|
|
assert.strictEqual(util.format('%d:%d', 12, 30), '12:30');
|
|
assert.strictEqual(util.format('%d:%d', 12), '12:%d');
|
|
assert.strictEqual(util.format('%d:%d'), '%d:%d');
|
|
assert.strictEqual(util.format('%i:%i', 12, 30), '12:30');
|
|
assert.strictEqual(util.format('%i:%i', 12), '12:%i');
|
|
assert.strictEqual(util.format('%i:%i'), '%i:%i');
|
|
assert.strictEqual(util.format('%f:%f', 12, 30), '12:30');
|
|
assert.strictEqual(util.format('%f:%f', 12), '12:%f');
|
|
assert.strictEqual(util.format('%f:%f'), '%f:%f');
|
|
assert.strictEqual(util.format('o: %j, a: %j', {}, []), 'o: {}, a: []');
|
|
assert.strictEqual(util.format('o: %j, a: %j', {}), 'o: {}, a: %j');
|
|
assert.strictEqual(util.format('o: %j, a: %j'), 'o: %j, a: %j');
|
|
assert.strictEqual(util.format('o: %o, a: %O', {}, []), 'o: {}, a: []');
|
|
assert.strictEqual(util.format('o: %o, a: %o', {}), 'o: {}, a: %o');
|
|
assert.strictEqual(util.format('o: %O, a: %O'), 'o: %O, a: %O');
|
|
|
|
|
|
// Invalid format specifiers
|
|
assert.strictEqual(util.format('a% b', 'x'), 'a% b x');
|
|
assert.strictEqual(util.format('percent: %d%, fraction: %d', 10, 0.1),
|
|
'percent: 10%, fraction: 0.1');
|
|
assert.strictEqual(util.format('abc%', 1), 'abc% 1');
|
|
|
|
{
|
|
const o = {};
|
|
o.o = o;
|
|
assert.strictEqual(util.format('%j', o), '[Circular]');
|
|
}
|
|
|
|
{
|
|
const o = {
|
|
toJSON() {
|
|
throw new Error('Not a circular object but still not serializable');
|
|
}
|
|
};
|
|
assert.throws(() => util.format('%j', o),
|
|
/^Error: Not a circular object but still not serializable$/);
|
|
}
|
|
|
|
// Errors
|
|
const err = new Error('foo');
|
|
assert.strictEqual(util.format(err), err.stack);
|
|
class CustomError extends Error {
|
|
constructor(msg) {
|
|
super();
|
|
Object.defineProperty(this, 'message',
|
|
{ value: msg, enumerable: false });
|
|
Object.defineProperty(this, 'name',
|
|
{ value: 'CustomError', enumerable: false });
|
|
Error.captureStackTrace(this, CustomError);
|
|
}
|
|
}
|
|
const customError = new CustomError('bar');
|
|
assert.strictEqual(util.format(customError), customError.stack);
|
|
// Doesn't capture stack trace
|
|
function BadCustomError(msg) {
|
|
Error.call(this);
|
|
Object.defineProperty(this, 'message',
|
|
{ value: msg, enumerable: false });
|
|
Object.defineProperty(this, 'name',
|
|
{ value: 'BadCustomError', enumerable: false });
|
|
}
|
|
util.inherits(BadCustomError, Error);
|
|
assert.strictEqual(util.format(new BadCustomError('foo')),
|
|
'[BadCustomError: foo]');
|