// Mini test suite for our 4xx/5xx error

var assert = require('assert');
var BadRequestError = require('./http-errors').BadRequestError

function doSomethingBad() {
  throw new BadRequestError('It went bad!');
}

try {
  doSomethingBad();
} catch (err) {
  // The name property should be set to the error's name
  assert(err.name = 'BadRequestError');
  // The error should be an instance of its class
  assert(err instanceof BadRequestError);
  // The error should be an instance of builtin Error
  assert(err instanceof Error);
  // The error should be recognized by Node.js' util#isError
  assert(require('util').isError(err));
  // The error should have recorded a stack
  assert(err.stack);
  // toString should return the default error message formatting
  assert.strictEqual(err.toString(), 'BadRequestError: It went bad!');
  // The stack should start with the default error message formatting
  assert.strictEqual(err.stack.split('\n')[0], 'BadRequestError: It went bad!');
  // The first stack frame should be the function where the error was thrown.
  assert.strictEqual(err.stack.split('\n')[1].indexOf('doSomethingBad'), 7);
  // The extra property should have been set
  assert.strictEqual(err.statusCode, 400);
}