1// Copyright (C) 2019 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import {splitIfTooBig} from './flamegraph'; 16 17test('textGoingToMultipleLines', () => { 18 const text = 'Dummy text to go to multiple lines.'; 19 20 const lineSplitter = splitIfTooBig(text, 7 + 32, text.length); 21 22 expect(lineSplitter).toEqual({ 23 lines: ['Dummy t', 'ext to ', 'go to m', 'ultiple', ' lines.'], 24 lineWidth: 7 25 }); 26}); 27 28test('emptyText', () => { 29 const text = ''; 30 31 const lineSplitter = splitIfTooBig(text, 10, 5); 32 33 expect(lineSplitter).toEqual({lines: [], lineWidth: 5}); 34}); 35 36test('textEnoughForOneLine', () => { 37 const text = 'Dummy text to go to one lines.'; 38 39 const lineSplitter = splitIfTooBig(text, text.length + 32, text.length); 40 41 expect(lineSplitter).toEqual({lines: [text], lineWidth: text.length}); 42}); 43 44test('textGoingToTwoLines', () => { 45 const text = 'Dummy text to go to two lines.'; 46 47 const lineSplitter = splitIfTooBig(text, text.length / 2 + 32, text.length); 48 49 expect(lineSplitter).toEqual({ 50 lines: ['Dummy text to g', 'o to two lines.'], 51 lineWidth: text.length / 2 52 }); 53}); 54