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82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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import assert = require('assert');
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import lines = require('../utils/lines');
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import {Position} from 'vscode-languageserver';
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suite('Lines Model Validator', () => {
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test('single line', () => {
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var str = "Hello World";
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var lm = lines.create(str);
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assert.equal(lm.lineCount, 1);
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for (var i = 0; i < str.length; i++) {
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assert.equal(lm.offsetAt(Position.create(0, i)), i);
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assert.deepEqual(lm.positionAt(i), Position.create(0, i));
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}
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});
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test('Mutiple lines', () => {
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var str = "ABCDE\nFGHIJ\nKLMNO\n";
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var lm = lines.create(str);
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assert.equal(lm.lineCount, 4);
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for (var i = 0; i < str.length; i++) {
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var line = Math.floor(i / 6);
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var column = i % 6;
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assert.equal(lm.offsetAt(Position.create(line, column)), i);
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assert.deepEqual(lm.positionAt(i), Position.create(line, column));
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}
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assert.equal(lm.offsetAt(Position.create(3, 0)), 18);
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assert.equal(lm.offsetAt(Position.create(3, 1)), 18);
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assert.deepEqual(lm.positionAt(18), Position.create(3, 0));
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assert.deepEqual(lm.positionAt(19), Position.create(3, 0));
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});
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test('New line characters', () => {
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var str = "ABCDE\rFGHIJ";
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assert.equal(lines.create(str).lineCount, 2);
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var str = "ABCDE\nFGHIJ";
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assert.equal(lines.create(str).lineCount, 2);
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var str = "ABCDE\r\nFGHIJ";
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assert.equal(lines.create(str).lineCount, 2);
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str = "ABCDE\n\nFGHIJ";
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assert.equal(lines.create(str).lineCount, 3);
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str = "ABCDE\r\rFGHIJ";
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assert.equal(lines.create(str).lineCount, 3);
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str = "ABCDE\n\rFGHIJ";
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assert.equal(lines.create(str).lineCount, 3);
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})
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test('invalid inputs', () => {
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var str = "Hello World";
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var lm = lines.create(str);
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// invalid position
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assert.equal(lm.offsetAt(Position.create(0, str.length)), str.length);
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assert.equal(lm.offsetAt(Position.create(0, str.length + 3)), str.length);
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assert.equal(lm.offsetAt(Position.create(2, 3)), str.length);
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assert.equal(lm.offsetAt(Position.create(-1, 3)), 0);
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assert.equal(lm.offsetAt(Position.create(0, -3)), 0);
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assert.equal(lm.offsetAt(Position.create(1, -3)), str.length);
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// invalid offsets
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assert.deepEqual(lm.positionAt(-1), Position.create(0, 0));
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assert.deepEqual(lm.positionAt(str.length), Position.create(0, str.length));
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assert.deepEqual(lm.positionAt(str.length + 3), Position.create(0, str.length));
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});
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});
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