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// copied and modified from https://github.com/microsoft/vscode/blob/1.96.3/src/vs/workbench/contrib/mergeEditor/test/browser/mapping.test.ts

import { expect } from 'chai';
import { Range } from '@theia/core/shared/vscode-languageserver-protocol';
import { DocumentRangeMap, RangeMapping } from './range-mapping';

describe('document-range-map', () => {

    it('project', () => {
        const documentRangeMap = new DocumentRangeMap([
            new RangeMapping(Range.create(2, 4, 2, 6), Range.create(2, 4, 2, 7)),
            new RangeMapping(Range.create(3, 2, 4, 3), Range.create(3, 2, 6, 4)),
            new RangeMapping(Range.create(4, 5, 4, 7), Range.create(6, 6, 6, 9)),
        ]);

        const project = (line: number, character: number) =>
            documentRangeMap.projectPosition({ line, character }).toString();

        expect(project(1, 1)).to.be.equal('[1:1, 1:1) -> [1:1, 1:1)');
        expect(project(2, 3)).to.be.equal('[2:3, 2:3) -> [2:3, 2:3)');
        expect(project(2, 4)).to.be.equal('[2:4, 2:6) -> [2:4, 2:7)');
        expect(project(2, 5)).to.be.equal('[2:4, 2:6) -> [2:4, 2:7)');
        expect(project(2, 6)).to.be.equal('[2:6, 2:6) -> [2:7, 2:7)');
        expect(project(2, 7)).to.be.equal('[2:7, 2:7) -> [2:8, 2:8)');
        expect(project(3, 1)).to.be.equal('[3:1, 3:1) -> [3:1, 3:1)');
        expect(project(3, 2)).to.be.equal('[3:2, 4:3) -> [3:2, 6:4)');
        expect(project(4, 2)).to.be.equal('[3:2, 4:3) -> [3:2, 6:4)');
        expect(project(4, 3)).to.be.equal('[4:3, 4:3) -> [6:4, 6:4)');
        expect(project(4, 4)).to.be.equal('[4:4, 4:4) -> [6:5, 6:5)');
        expect(project(4, 5)).to.be.equal('[4:5, 4:7) -> [6:6, 6:9)');
    });

});