Re-apply "Remove unittest and matcher from the repo."

pkg/matcher/test/core_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.
-
-library matcher.core_matchers_test;
-
-import 'package:matcher/matcher.dart';
-import 'package:unittest/unittest.dart' show test, group;
-
-import 'test_utils.dart';
-
-void main() {
-  initUtils();
-
-  test('isTrue', () {
-    shouldPass(true, isTrue);
-    shouldFail(false, isTrue, "Expected: true Actual: <false>");
-  });
-
-  test('isFalse', () {
-    shouldPass(false, isFalse);
-    shouldFail(10, isFalse, "Expected: false Actual: <10>");
-    shouldFail(true, isFalse, "Expected: false Actual: <true>");
-  });
-
-  test('isNull', () {
-    shouldPass(null, isNull);
-    shouldFail(false, isNull, "Expected: null Actual: <false>");
-  });
-
-  test('isNotNull', () {
-    shouldPass(false, isNotNull);
-    shouldFail(null, isNotNull, "Expected: not null Actual: <null>");
-  });
-
-  test('isNaN', () {
-    shouldPass(double.NAN, isNaN);
-    shouldFail(3.1, isNaN, "Expected: NaN Actual: <3.1>");
-  });
-
-  test('isNotNaN', () {
-    shouldPass(3.1, isNotNaN);
-    shouldFail(double.NAN, isNotNaN, "Expected: not NaN Actual: <NaN>");
-  });
-
-  test('same', () {
-    var a = new Map();
-    var b = new Map();
-    shouldPass(a, same(a));
-    shouldFail(b, same(a), "Expected: same instance as {} Actual: {}");
-  });
-
-  test('equals', () {
-    var a = new Map();
-    var b = new Map();
-    shouldPass(a, equals(a));
-    shouldPass(a, equals(b));
-  });
-
-  test('equals with a set', () {
-    var numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
-    var set1 = numbers.toSet();
-    numbers.shuffle();
-    var set2 = numbers.toSet();
-
-    shouldPass(set2, equals(set1));
-    shouldPass(numbers, equals(set1));
-    shouldFail([1, 2, 3, 4, 5, 6, 7, 8, 9], equals(set1), matches(
-        r"Expected: .*:\[1, 2, 3, 4, 5, 6, 7, 8, 9, 10\]"
-        r"  Actual: \[1, 2, 3, 4, 5, 6, 7, 8, 9\]"
-        r"   Which: does not contain 10"));
-    shouldFail([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], equals(set1), matches(
-        r"Expected: .*:\[1, 2, 3, 4, 5, 6, 7, 8, 9, 10\]"
-        r"  Actual: \[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11\]"
-        r"   Which: larger than expected"));
-  });
-
-  test('anything', () {
-    var a = new Map();
-    shouldPass(0, anything);
-    shouldPass(null, anything);
-    shouldPass(a, anything);
-    shouldFail(a, isNot(anything), "Expected: not anything Actual: {}");
-  });
-
-  test('returnsNormally', () {
-    shouldPass(doesNotThrow, returnsNormally);
-    shouldFail(doesThrow, returnsNormally,
-        matches(
-            r"Expected: return normally"
-            r"  Actual: <Closure(: \(\) => dynamic "
-            r"from Function 'doesThrow': static\.)?>"
-            r"   Which: threw 'X'"));
-  });
-
-  test('hasLength', () {
-    var a = new Map();
-    var b = new List();
-    shouldPass(a, hasLength(0));
-    shouldPass(b, hasLength(0));
-    shouldPass('a', hasLength(1));
-    shouldFail(0, hasLength(0), new PrefixMatcher(
-        "Expected: an object with length of <0> "
-        "Actual: <0> "
-        "Which: has no length property"));
-
-    b.add(0);
-    shouldPass(b, hasLength(1));
-    shouldFail(b, hasLength(2),
-        "Expected: an object with length of <2> "
-        "Actual: [0] "
-        "Which: has length of <1>");
-
-    b.add(0);
-    shouldFail(b, hasLength(1),
-        "Expected: an object with length of <1> "
-        "Actual: [0, 0] "
-        "Which: has length of <2>");
-    shouldPass(b, hasLength(2));
-  });
-
-  test('scalar type mismatch', () {
-    shouldFail('error', equals(5.1),
-        "Expected: <5.1> "
-        "Actual: 'error'");
-  });
-
-  test('nested type mismatch', () {
-    shouldFail(['error'], equals([5.1]),
-        "Expected: [5.1] "
-        "Actual: ['error'] "
-        "Which: was 'error' instead of <5.1> at location [0]");
-  });
-
-  test('doubly-nested type mismatch', () {
-    shouldFail([['error']], equals([[5.1]]),
-        "Expected: [[5.1]] "
-        "Actual: [['error']] "
-        "Which: was 'error' instead of <5.1> at location [0][0]");
-  });
-
-  test('doubly nested inequality', () {
-    var actual1 = [['foo', 'bar'], ['foo'], 3, []];
-    var expected1 = [['foo', 'bar'], ['foo'], 4, []];
-    var reason1 = "Expected: [['foo', 'bar'], ['foo'], 4, []] "
-        "Actual: [['foo', 'bar'], ['foo'], 3, []] "
-        "Which: was <3> instead of <4> at location [2]";
-
-    var actual2 = [['foo', 'barry'], ['foo'], 4, []];
-    var expected2 = [['foo', 'bar'], ['foo'], 4, []];
-    var reason2 = "Expected: [['foo', 'bar'], ['foo'], 4, []] "
-        "Actual: [['foo', 'barry'], ['foo'], 4, []] "
-        "Which: was 'barry' instead of 'bar' at location [0][1]";
-
-    var actual3 = [['foo', 'bar'], ['foo'], 4, {'foo':'bar'}];
-    var expected3 = [['foo', 'bar'], ['foo'], 4, {'foo':'barry'}];
-    var reason3 = "Expected: [['foo', 'bar'], ['foo'], 4, {'foo': 'barry'}] "
-        "Actual: [['foo', 'bar'], ['foo'], 4, {'foo': 'bar'}] "
-        "Which: was 'bar' instead of 'barry' at location [3]['foo']";
-
-    shouldFail(actual1, equals(expected1), reason1);
-    shouldFail(actual2, equals(expected2), reason2);
-    shouldFail(actual3, equals(expected3), reason3);
-  });
-
-  test('isInstanceOf', () {
-    shouldFail(0, new isInstanceOf<String>('String'),
-        "Expected: an instance of String Actual: <0>");
-    shouldPass('cow', new isInstanceOf<String>('String'));
-  });
-
-  group('Predicate Matchers', () {
-    test('isInstanceOf', () {
-      shouldFail(0, predicate((x) => x is String, "an instance of String"),
-          "Expected: an instance of String Actual: <0>");
-      shouldPass('cow', predicate((x) => x is String, "an instance of String"));
-    });
-  });
-}