81 lines
3.1 KiB
JavaScript
81 lines
3.1 KiB
JavaScript
/*
|
|
Copyright 2019 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import expect from 'expect';
|
|
import EditorModel from "../../src/editor/model";
|
|
import {createPartCreator} from "./mock";
|
|
|
|
function createRenderer() {
|
|
const render = (c) => {
|
|
render.caret = c;
|
|
render.count += 1;
|
|
};
|
|
render.count = 0;
|
|
render.caret = null;
|
|
return render;
|
|
}
|
|
|
|
describe('editor/position', function() {
|
|
it('move first position backward in empty model', function() {
|
|
const model = new EditorModel([], createPartCreator(), createRenderer());
|
|
const pos = model.positionForOffset(0, true);
|
|
const pos2 = pos.backwardsWhile(model, () => true);
|
|
expect(pos).toBe(pos2);
|
|
});
|
|
it('move first position forwards in empty model', function() {
|
|
const model = new EditorModel([], createPartCreator(), createRenderer());
|
|
const pos = model.positionForOffset(0, true);
|
|
const pos2 = pos.forwardsWhile(() => true);
|
|
expect(pos).toBe(pos2);
|
|
});
|
|
it('move forwards within one part', function() {
|
|
const pc = createPartCreator();
|
|
const model = new EditorModel([pc.plain("hello")], pc, createRenderer());
|
|
const pos = model.positionForOffset(1);
|
|
let n = 3;
|
|
const pos2 = pos.forwardsWhile(model, () => { n -= 1; return n >= 0; });
|
|
expect(pos2.index).toBe(0);
|
|
expect(pos2.offset).toBe(4);
|
|
});
|
|
it('move forwards crossing to other part', function() {
|
|
const pc = createPartCreator();
|
|
const model = new EditorModel([pc.plain("hello"), pc.plain(" world")], pc, createRenderer());
|
|
const pos = model.positionForOffset(4);
|
|
let n = 3;
|
|
const pos2 = pos.forwardsWhile(model, () => { n -= 1; return n >= 0; });
|
|
expect(pos2.index).toBe(1);
|
|
expect(pos2.offset).toBe(2);
|
|
});
|
|
it('move backwards within one part', function() {
|
|
const pc = createPartCreator();
|
|
const model = new EditorModel([pc.plain("hello")], pc, createRenderer());
|
|
const pos = model.positionForOffset(4);
|
|
let n = 3;
|
|
const pos2 = pos.backwardsWhile(model, () => { n -= 1; return n >= 0; });
|
|
expect(pos2.index).toBe(0);
|
|
expect(pos2.offset).toBe(1);
|
|
});
|
|
it('move backwards crossing to other part', function() {
|
|
const pc = createPartCreator();
|
|
const model = new EditorModel([pc.plain("hello"), pc.plain(" world")], pc, createRenderer());
|
|
const pos = model.positionForOffset(7);
|
|
let n = 3;
|
|
const pos2 = pos.backwardsWhile(model, () => { n -= 1; return n >= 0; });
|
|
expect(pos2.index).toBe(0);
|
|
expect(pos2.offset).toBe(4);
|
|
});
|
|
});
|