import assert from 'assert';
import lodashStable from 'lodash';
import { _, MAX_SAFE_INTEGER, MAX_INTEGER } from './utils.js';

describe('toInteger methods', function() {
  lodashStable.each(['toInteger', 'toSafeInteger'], function(methodName) {
    var func = _[methodName],
        isSafe = methodName == 'toSafeInteger';

    it('`_.' + methodName + '` should convert values to integers', function() {
      assert.strictEqual(func(-5.6), -5);
      assert.strictEqual(func('5.6'), 5);
      assert.strictEqual(func(), 0);
      assert.strictEqual(func(NaN), 0);

      var expected = isSafe ? MAX_SAFE_INTEGER : MAX_INTEGER;
      assert.strictEqual(func(Infinity), expected);
      assert.strictEqual(func(-Infinity), -expected);
    });

    it('`_.' + methodName + '` should support `value` of `-0`', function() {
      assert.strictEqual(1 / func(-0), -Infinity);
    });
  });
});