75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
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'use strict';
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// Tests for combinations of single + multi-line comments;
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const decomment = require('../lib');
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const os = require('os');
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const LB = os.EOL;
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describe('Mixed:', function () {
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describe('special slash cases', function () {
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it('must be ignored', function () {
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expect(decomment('\'\f\'')).toBe('\'\f\'');
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expect(decomment('\'\\\'\'')).toBe('\'\\\'\'');
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expect(decomment('"\\""')).toBe('"\\""');
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expect(decomment('`\\``')).toBe('`\\``');
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expect(decomment('\'\\\'\\\'\'')).toBe('\'\\\'\\\'\'');
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expect(decomment('"\\"\\""')).toBe('"\\"\\""');
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expect(decomment('`\\`\\``')).toBe('`\\`\\``');
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expect(decomment('\'\\\\\'')).toBe('\'\\\\\'');
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expect(decomment('"\\\\"')).toBe('"\\\\"');
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expect(decomment('`\\\\`')).toBe('`\\\\`');
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expect(decomment('\'\\\\\\\'\'')).toBe('\'\\\\\\\'\'');
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expect(decomment('\'\\\\\\\'\';')).toBe('\'\\\\\\\'\';');
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expect(decomment('"\\\\\\""')).toBe('"\\\\\\""');
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expect(decomment('"\\\\\\"";')).toBe('"\\\\\\"";');
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expect(decomment('`\\\\\\``')).toBe('`\\\\\\``');
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expect(decomment('`\\\\\\``;')).toBe('`\\\\\\``;');
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});
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});
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describe('single-line gaps', function () {
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it('must be removed', function () {
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expect(decomment('//one' + LB + '//two' + LB + '//three')).toBe('');
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});
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});
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describe('multi-line gaps', function () {
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it('must be removed', function () {
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expect(decomment('/*one*/' + LB + '/*two*/' + LB + '/*three*/')).toBe('');
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});
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});
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describe('mixed comments', function () {
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it('must be removed', function () {
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expect(decomment('//one' + LB + '/*two*/' + LB + '//three')).toBe('');
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});
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});
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describe('Automatic EOL', function () {
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it('must always ignore solo \\r symbols', function () {
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expect(decomment('//comment\r\rtext', {trim: true})).toBe('');
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expect(decomment('/*comment*/\r\rtext', {trim: true})).toBe('\r\rtext');
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});
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it('must determine Unix and break on \\n', function () {
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expect(decomment('//comment\n\ntext', {trim: true})).toBe('text');
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expect(decomment('/*comment*/\n\ntext', {trim: true})).toBe('text');
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});
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it('must determine Windows and break on \\r\\n', function () {
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expect(decomment('//comment\r\n\r\ntext', {trim: true})).toBe('text');
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expect(decomment('/*comment*/\r\n\r\ntext', {trim: true})).toBe('text');
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});
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});
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});
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