// deno-fmt-ignore-file // deno-lint-ignore-file // Copyright Joyent and Node contributors. All rights reserved. MIT license. // Taken from Node 18.12.1 // This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually // Flags: --expose-internals 'use strict'; const common = require('../common'); const assert = require('assert'); const readline = require('readline'); const { Writable } = require('stream'); const { CSI } = require('internal/readline/utils'); { assert(CSI); assert.strictEqual(CSI.kClearToLineBeginning, '\x1b[1K'); assert.strictEqual(CSI.kClearToLineEnd, '\x1b[0K'); assert.strictEqual(CSI.kClearLine, '\x1b[2K'); assert.strictEqual(CSI.kClearScreenDown, '\x1b[0J'); assert.strictEqual(CSI`1${2}3`, '\x1b[123'); } class TestWritable extends Writable { constructor() { super(); this.data = ''; } _write(chunk, encoding, callback) { this.data += chunk.toString(); callback(); } } const writable = new TestWritable(); assert.strictEqual(readline.clearScreenDown(writable), true); assert.deepStrictEqual(writable.data, CSI.kClearScreenDown); assert.strictEqual(readline.clearScreenDown(writable, common.mustCall()), true); // Verify that clearScreenDown() throws on invalid callback. assert.throws(() => { readline.clearScreenDown(writable, null); }, /ERR_INVALID_ARG_TYPE/); // Verify that clearScreenDown() does not throw on null or undefined stream. assert.strictEqual(readline.clearScreenDown(null, common.mustCall((err) => { assert.strictEqual(err, null); })), true); assert.strictEqual(readline.clearScreenDown(undefined, common.mustCall()), true); writable.data = ''; assert.strictEqual(readline.clearLine(writable, -1), true); assert.deepStrictEqual(writable.data, CSI.kClearToLineBeginning); writable.data = ''; assert.strictEqual(readline.clearLine(writable, 1), true); assert.deepStrictEqual(writable.data, CSI.kClearToLineEnd); writable.data = ''; assert.strictEqual(readline.clearLine(writable, 0), true); assert.deepStrictEqual(writable.data, CSI.kClearLine); writable.data = ''; assert.strictEqual(readline.clearLine(writable, -1, common.mustCall()), true); assert.deepStrictEqual(writable.data, CSI.kClearToLineBeginning); // Verify that clearLine() throws on invalid callback. assert.throws(() => { readline.clearLine(writable, 0, null); }, /ERR_INVALID_ARG_TYPE/); // Verify that clearLine() does not throw on null or undefined stream. assert.strictEqual(readline.clearLine(null, 0), true); assert.strictEqual(readline.clearLine(undefined, 0), true); assert.strictEqual(readline.clearLine(null, 0, common.mustCall((err) => { assert.strictEqual(err, null); })), true); assert.strictEqual(readline.clearLine(undefined, 0, common.mustCall()), true); // Nothing is written when moveCursor 0, 0 [ [0, 0, ''], [1, 0, '\x1b[1C'], [-1, 0, '\x1b[1D'], [0, 1, '\x1b[1B'], [0, -1, '\x1b[1A'], [1, 1, '\x1b[1C\x1b[1B'], [-1, 1, '\x1b[1D\x1b[1B'], [-1, -1, '\x1b[1D\x1b[1A'], [1, -1, '\x1b[1C\x1b[1A'], ].forEach((set) => { writable.data = ''; assert.strictEqual(readline.moveCursor(writable, set[0], set[1]), true); assert.deepStrictEqual(writable.data, set[2]); writable.data = ''; assert.strictEqual( readline.moveCursor(writable, set[0], set[1], common.mustCall()), true ); assert.deepStrictEqual(writable.data, set[2]); }); // Verify that moveCursor() throws on invalid callback. assert.throws(() => { readline.moveCursor(writable, 1, 1, null); }, /ERR_INVALID_ARG_TYPE/); // Verify that moveCursor() does not throw on null or undefined stream. assert.strictEqual(readline.moveCursor(null, 1, 1), true); assert.strictEqual(readline.moveCursor(undefined, 1, 1), true); assert.strictEqual(readline.moveCursor(null, 1, 1, common.mustCall((err) => { assert.strictEqual(err, null); })), true); assert.strictEqual(readline.moveCursor(undefined, 1, 1, common.mustCall()), true); // Undefined or null as stream should not throw. assert.strictEqual(readline.cursorTo(null), true); assert.strictEqual(readline.cursorTo(), true); assert.strictEqual(readline.cursorTo(null, 1, 1, common.mustCall()), true); assert.strictEqual(readline.cursorTo(undefined, 1, 1, common.mustCall((err) => { assert.strictEqual(err, null); })), true); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 'a'), true); assert.strictEqual(writable.data, ''); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 'a', 'b'), true); assert.strictEqual(writable.data, ''); writable.data = ''; assert.throws( () => readline.cursorTo(writable, 'a', 1), { name: 'TypeError', code: 'ERR_INVALID_CURSOR_POS', message: 'Cannot set cursor row without setting its column' }); assert.strictEqual(writable.data, ''); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 1, 'a'), true); assert.strictEqual(writable.data, '\x1b[2G'); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 1), true); assert.strictEqual(writable.data, '\x1b[2G'); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 1, 2), true); assert.strictEqual(writable.data, '\x1b[3;2H'); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 1, 2, common.mustCall()), true); assert.strictEqual(writable.data, '\x1b[3;2H'); writable.data = ''; assert.strictEqual(readline.cursorTo(writable, 1, common.mustCall()), true); assert.strictEqual(writable.data, '\x1b[2G'); // Verify that cursorTo() throws on invalid callback. assert.throws(() => { readline.cursorTo(writable, 1, 1, null); }, /ERR_INVALID_ARG_TYPE/); // Verify that cursorTo() throws if x or y is NaN. assert.throws(() => { readline.cursorTo(writable, NaN); }, /ERR_INVALID_ARG_VALUE/); assert.throws(() => { readline.cursorTo(writable, 1, NaN); }, /ERR_INVALID_ARG_VALUE/); assert.throws(() => { readline.cursorTo(writable, NaN, NaN); }, /ERR_INVALID_ARG_VALUE/);