55 lines
2.0 KiB
TypeScript
55 lines
2.0 KiB
TypeScript
import { CodePosition } from '@/application/State/Code/Position/CodePosition';
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import 'mocha';
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import { expect } from 'chai';
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describe('CodePosition', () => {
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describe('ctor', () => {
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it('creates with valid parameters', () => {
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// arrange
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const startPosition = 0;
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const endPosition = 5;
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// act
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const sut = new CodePosition(startPosition, endPosition);
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// assert
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expect(sut.startLine).to.equal(startPosition);
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expect(sut.endLine).to.equal(endPosition);
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});
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it('throws with negative start position', () => {
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// arrange
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const startPosition = -1;
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const endPosition = 5;
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// act
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const getSut = () => new CodePosition(startPosition, endPosition);
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// assert
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expect(getSut).to.throw('Code cannot start in a negative line');
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});
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it('throws with negative end position', () => {
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// arrange
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const startPosition = 1;
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const endPosition = -5;
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// act
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const getSut = () => new CodePosition(startPosition, endPosition);
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// assert
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expect(getSut).to.throw('Code cannot end in a negative line');
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});
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it('throws when start and end position is same', () => {
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// arrange
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const startPosition = 0;
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const endPosition = 0;
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// act
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const getSut = () => new CodePosition(startPosition, endPosition);
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// assert
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expect(getSut).to.throw('Empty code');
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});
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it('throws when ends before start', () => {
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// arrange
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const startPosition = 3;
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const endPosition = 2;
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// act
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const getSut = () => new CodePosition(startPosition, endPosition);
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// assert
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expect(getSut).to.throw('End line cannot be less than start line');
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});
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});
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});
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