Fix tests

test.js

@@ -35,30 +35,42 @@ test('end', t => {
 
 test('main - does not have exponential performance', t => {
  for (let index = 0; index < 45000; index += 1000) {
- const string = String(Array.from({length: index}).fill('\n').join('')) + 'a' + String(Array.from({length: index}).fill('\n').join(''));
+ const string = 'a' + String(Array.from({length: index}).fill('\n').join('')) + String(Array.from({length: index}).fill('\n').join('')) + 'a';
  const start = Date.now();
  trimNewlines(string);
  const difference = Date.now() - start;
  t.true(difference < 10, `Execution time: ${difference}`);
+
+ if (difference > 10) {
+ throw new Error(); // eslint-disable-line unicorn/error-message
+ }
  }
 });
 
 test('start - does not have exponential performance', t => {
  for (let index = 0; index < 45000; index += 1000) {
- const string = String(Array.from({length: index}).fill('\n').join('')) + 'a';
+ const string = 'a' + String(Array.from({length: index}).fill('\n').join(''));
  const start = Date.now();
  trimNewlines.start(string);
  const difference = Date.now() - start;
  t.true(difference < 10, `Execution time: ${difference}`);
+
+ if (difference > 10) {
+ throw new Error(); // eslint-disable-line unicorn/error-message
+ }
  }
 });
 
 test('end - does not have exponential performance', t => {
  for (let index = 0; index < 45000; index += 1000) {
- const string = 'a' + String(Array.from({length: index}).fill('\n').join(''));
+ const string = String(Array.from({length: index}).fill('\n').join('')) + 'a';
  const start = Date.now();
  trimNewlines.end(string);
  const difference = Date.now() - start;
  t.true(difference < 10, `Execution time: ${difference}`);
+
+ if (difference > 10) {
+ throw new Error(); // eslint-disable-line unicorn/error-message
+ }
  }
 });