'the text is not replaced.', function() {
input = '"test test"\ntest';
output = util.replaceNewlineToSubchar(input);
expect(output).toBe(input);
});
'CR+LF characters in double quotes are replaced by substitution characters.', function() {
input = '"test\r\n""te""st"\r\ntest';
output = util.replaceNewlineToSubchar(input);
expect(output).toBe('"test' + customCRSubChar + customLFSubChar + '""te""st"\r\ntest');
});