dart/third_party/pkg/angular/test/filter/number_spec.dart

library number_spec;

import '../_specs.dart';

main() => describe('number', () {
  var number;

  beforeEach(inject((FilterMap map, Injector injector) {
    number = injector.get(map[new NgFilter(name: 'number')]);
  }));


  it('should do basic filter', () {
    expect(number(0, 0)).toEqual('0');
    expect(number(-999)).toEqual('-999');
    expect(number(123)).toEqual('123');
    expect(number(1234567)).toEqual('1,234,567');
    expect(number(1234)).toEqual('1,234');
    expect(number(1234.5678)).toEqual('1,234.568');
    expect(number(double.NAN)).toEqual('');
    expect(number("1234.5678")).toEqual('1,234.568');
    expect(number(1/0)).toEqual("∞");
    expect(number(1,        2)).toEqual("1.00");
    expect(number(.1,       2)).toEqual("0.10");
    expect(number(.01,      2)).toEqual("0.01");
    expect(number(.001,     3)).toEqual("0.001");
    expect(number(.0001,    3)).toEqual("0.000");
    expect(number(9,        2)).toEqual("9.00");
    expect(number(.9,       2)).toEqual("0.90");
    expect(number(.99,      2)).toEqual("0.99");
    expect(number(.999,     3)).toEqual("0.999");
    expect(number(.9999,    3)).toEqual("1.000");
    expect(number(1234.567, 0)).toEqual("1,235");
    expect(number(1234.567, 1)).toEqual("1,234.6");
    expect(number(1234.567, 2)).toEqual("1,234.57");
  });

  it('should filter exponentially small numbers', () {
    expect(number(1e-50, 0)).toEqual('0');
    expect(number(1e-6, 6)).toEqual('0.000001');
    expect(number(1e-7, 6)).toEqual('0.000000');

    expect(number(-1e-50, 0)).toEqual('-0');
    expect(number(-1e-6, 6)).toEqual('-0.000001');
    expect(number(-1e-7, 6)).toEqual('-0.000000');
  });
});