test/order_matchers_test.dart

// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:matcher/matcher.dart';
import 'package:test/test.dart';

import 'test_utils.dart';

void main() {
  test('greaterThan', () {
    shouldPass(10, greaterThan(9));
    shouldFail(
        9,
        greaterThan(10),
        "Expected: a value greater than <10> "
        "Actual: <9> "
        "Which: is not a value greater than <10>");
  });

  test('greaterThanOrEqualTo', () {
    shouldPass(10, greaterThanOrEqualTo(10));
    shouldFail(
        9,
        greaterThanOrEqualTo(10),
        "Expected: a value greater than or equal to <10> "
        "Actual: <9> "
        "Which: is not a value greater than or equal to <10>");
  });

  test('lessThan', () {
    shouldFail(
        10,
        lessThan(9),
        "Expected: a value less than <9> "
        "Actual: <10> "
        "Which: is not a value less than <9>");
    shouldPass(9, lessThan(10));
  });

  test('lessThanOrEqualTo', () {
    shouldPass(10, lessThanOrEqualTo(10));
    shouldFail(
        11,
        lessThanOrEqualTo(10),
        "Expected: a value less than or equal to <10> "
        "Actual: <11> "
        "Which: is not a value less than or equal to <10>");
  });

  test('isZero', () {
    shouldPass(0, isZero);
    shouldFail(
        1,
        isZero,
        "Expected: a value equal to <0> "
        "Actual: <1> "
        "Which: is not a value equal to <0>");
  });

  test('isNonZero', () {
    shouldFail(
        0,
        isNonZero,
        "Expected: a value not equal to <0> "
        "Actual: <0> "
        "Which: is not a value not equal to <0>");
    shouldPass(1, isNonZero);
  });

  test('isPositive', () {
    shouldFail(
        -1,
        isPositive,
        "Expected: a positive value "
        "Actual: <-1> "
        "Which: is not a positive value");
    shouldFail(
        0,
        isPositive,
        "Expected: a positive value "
        "Actual: <0> "
        "Which: is not a positive value");
    shouldPass(1, isPositive);
  });

  test('isNegative', () {
    shouldPass(-1, isNegative);
    shouldFail(
        0,
        isNegative,
        "Expected: a negative value "
        "Actual: <0> "
        "Which: is not a negative value");
  });

  test('isNonPositive', () {
    shouldPass(-1, isNonPositive);
    shouldPass(0, isNonPositive);
    shouldFail(
        1,
        isNonPositive,
        "Expected: a non-positive value "
        "Actual: <1> "
        "Which: is not a non-positive value");
  });

  test('isNonNegative', () {
    shouldPass(1, isNonNegative);
    shouldPass(0, isNonNegative);
    shouldFail(
        -1,
        isNonNegative,
        "Expected: a non-negative value "
        "Actual: <-1> "
        "Which: is not a non-negative value");
  });
}