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'use strict';
// --------------------------------------------------------------------// Imports// --------------------------------------------------------------------
const test = require('ava');const dedent = require('dedent');
const util = require('../src/util');
// --------------------------------------------------------------------// Tests// --------------------------------------------------------------------
const {getLineAndColumn} = util;
test('getLineAndColumn().toString()', t => {  t.is(      getLineAndColumn('', 0).toString(),      dedent`        Line 1, col 1:        > 1 |               ^\n`,      'empty input'  );
  t.is(      getLineAndColumn('3 + 4', 2).toString([0, 1], [4, 5]),      dedent`        Line 1, col 3:        > 1 | 3 + 4              ~ ^ ~\n`,      'more than one range'  );});
const {getLineAndColumnMessage} = util;
test('getLineAndColumnMessage', t => {  t.is(      getLineAndColumnMessage('', 0),      dedent`        Line 1, col 1:        > 1 |               ^\n`,      'empty input'  );
  let expected = dedent`    Line 1, col 1:    > 1 |           ^      2 | \n`;  t.is(getLineAndColumnMessage('\n', 0), expected, 'past last char on empty line');  t.is(getLineAndColumnMessage('\r\n', 0), expected, '...and with CRLF, offset at CR');  t.is(getLineAndColumnMessage('\r\n', 1), expected, '...and with CRLF, offset at LF');
  expected = dedent`    Line 2, col 1:      1 | a    > 2 | foo          ^      3 | \n`;  t.is(getLineAndColumnMessage('a\nfoo\n', 2), expected, 'char after an empty line');  t.is(getLineAndColumnMessage('a\r\nfoo\r\n', 3), expected, '...and with CRLF');
  expected = dedent`    Line 2, col 1:      1 |     > 2 |           ^\n`;  t.is(getLineAndColumnMessage('\n', 1), expected, 'past last char on 2nd empty line');  t.is(getLineAndColumnMessage('\r\n', 2), expected, '...and with CRLF');
  expected = dedent`    Line 1, col 1:    > 1 | a          ^      2 | \n`;  t.is(getLineAndColumnMessage('a\n\n', 0), expected, 'two trailing empty lines');  t.is(getLineAndColumnMessage('a\r\n\r\n', 0), expected, '...and with CRLF');
  let input = new Array(9).join('\n') + 'a\nhi!\nb';  expected = dedent`    Line 10, col 1:       9 | a    > 10 | hi!           ^      11 | b\n`;  t.is(getLineAndColumnMessage(input, 10), expected, 'prev line num has fewer digits');
  input = new Array(99).join('\n') + 'hi!\n';  expected = dedent`    Line 99, col 1:       98 |     >  99 | hi!            ^      100 | \n`;  t.is(getLineAndColumnMessage(input, 98), expected, 'next line num has more digits');
  expected = dedent`    Line 1, col 1:    > 1 | x          ^\n`;  t.is(getLineAndColumnMessage('x', 0), expected, 'no next or prev line');});
test('getLineAndColumnMessage with ranges', t => {  t.is(      getLineAndColumnMessage('3 + 4', 2, [0, 1]),      dedent`        Line 1, col 3:        > 1 | 3 + 4              ~ ^\n`,      'a simple range'  );
  t.is(      getLineAndColumnMessage('3 + 4', 2, [0, 1], [4, 5]),      dedent`        Line 1, col 3:        > 1 | 3 + 4              ~ ^ ~\n`,      'more than one range'  );
  t.is(      getLineAndColumnMessage('3 + 4', 2, [0, 100]),      dedent`        Line 1, col 3:        > 1 | 3 + 4              ~~^~~\n`,      'end index out of bounds'  );
  t.is(      getLineAndColumnMessage('3 + 4', 2, [0, 0]),      getLineAndColumnMessage('3 + 4', 2),      'empty range'  );
  t.is(      getLineAndColumnMessage('3 + 4', 0, [0, 3], [1, 5]),      dedent`        Line 1, col 1:        > 1 | 3 + 4              ^~~~~\n`,      'overlapping ranges'  );
  t.is(      getLineAndColumnMessage('blah\n3 + 4', 7, [5, 6]),      dedent`        Line 2, col 3:          1 | blah        > 2 | 3 + 4              ~ ^\n`,      'range on second line'  );
  t.is(      getLineAndColumnMessage('blah\n3 + 4', 7, [0, 6]),      dedent`        Line 2, col 3:          1 | blah        > 2 | 3 + 4              ~ ^\n`,      'range crossing lines'  );
  t.is(      getLineAndColumnMessage('blah\n3 + 4', 7, [0, 50]),      dedent`        Line 2, col 3:          1 | blah        > 2 | 3 + 4              ~~^~~\n`,      'range crossing lines at start and end'  );});