forked from fluentassertions/fluentassertions
/
CollectionEquivalencySpecs.cs
2621 lines (2331 loc) · 113 KB
/
CollectionEquivalencySpecs.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Collections.ObjectModel;
using System.Linq;
using FluentAssertions.Common;
using FluentAssertions.Equivalency;
using FluentAssertions.Extensions;
using Xunit;
using Xunit.Sdk;
namespace FluentAssertions.Specs
{
public class CollectionEquivalencySpecs
{
public interface IInterface
{
int InterfaceProperty { get; set; }
}
public class MyClass : IInterface
{
public int InterfaceProperty { get; set; }
public int ClassProperty { get; set; }
}
public class SubDummy
{
public SubDummy(int id)
{
Id = id;
}
public int Id { get; }
public override bool Equals(object obj)
{
if (!(obj is SubDummy))
{
return false;
}
return Id == ((SubDummy)obj).Id;
}
public override int GetHashCode()
{
return Id.GetHashCode();
}
}
public class TestDummy
{
public TestDummy(SubDummy sd)
{
Sd = sd;
}
public SubDummy Sd { get; }
}
private class NonGenericCollection : ICollection
{
private readonly IList<object> inner;
public NonGenericCollection(IList<object> inner)
{
this.inner = inner;
}
public IEnumerator GetEnumerator()
{
foreach (var @object in inner)
{
yield return @object;
}
}
public void CopyTo(Array array, int index)
{
((ICollection)inner).CopyTo(array, index);
}
public int Count => inner.Count;
public object SyncRoot => ((ICollection)inner).SyncRoot;
public bool IsSynchronized => ((ICollection)inner).IsSynchronized;
}
private class MultiEnumerable : IEnumerable<int>, IEnumerable<long>
{
private readonly List<int> ints = new List<int>();
private readonly List<long> longs = new List<long>();
IEnumerator<int> IEnumerable<int>.GetEnumerator()
{
return ints.GetEnumerator();
}
public IEnumerator GetEnumerator()
{
return GetEnumerator();
}
IEnumerator<long> IEnumerable<long>.GetEnumerator()
{
return longs.GetEnumerator();
}
}
private class EnumerableOfStringAndObject : IEnumerable<object>, IEnumerable<string>
{
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
IEnumerator<object> IEnumerable<object>.GetEnumerator()
{
return GetEnumerator();
}
public IEnumerator<string> GetEnumerator()
{
yield return string.Empty;
}
}
public class MyObject
{
public string MyString { get; set; }
public MyChildObject Child { get; set; }
}
public class MyChildObject
{
public int Id { get; set; }
public string MyChildString { get; set; }
public override bool Equals(object obj)
{
return obj is MyChildObject other && other.Id == Id;
}
public override int GetHashCode()
{
return Id.GetHashCode();
}
}
private class SelectPropertiesSelectionRule : IMemberSelectionRule
{
public bool OverridesStandardIncludeRules => throw new NotImplementedException();
public IEnumerable<SelectedMemberInfo> SelectMembers(IEnumerable<SelectedMemberInfo> selectedMembers,
IMemberInfo context, IEquivalencyAssertionOptions config)
{
return context.CompileTimeType.GetNonPrivateProperties().Select(SelectedMemberInfo.Create);
}
bool IMemberSelectionRule.IncludesMembers => OverridesStandardIncludeRules;
}
private class SelectNoMembersSelectionRule : IMemberSelectionRule
{
public bool OverridesStandardIncludeRules => true;
public IEnumerable<SelectedMemberInfo> SelectMembers(IEnumerable<SelectedMemberInfo> selectedMembers,
IMemberInfo context, IEquivalencyAssertionOptions config)
{
return Enumerable.Empty<SelectedMemberInfo>();
}
bool IMemberSelectionRule.IncludesMembers => OverridesStandardIncludeRules;
}
public class UserRolesLookupElement
{
private readonly Dictionary<Guid, List<string>> innerRoles = new Dictionary<Guid, List<string>>();
public virtual Dictionary<Guid, IEnumerable<string>> Roles
{
get { return innerRoles.ToDictionary(x => x.Key, y => y.Value.Select(z => z)); }
}
public void Add(Guid userId, params string[] roles)
{
innerRoles[userId] = roles.ToList();
}
}
[Fact]
public void When_the_expectation_is_an_array_of_interface_type_it_should_respect_runtime_types()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var actual = new IInterface[] { new MyClass() { InterfaceProperty = 1, ClassProperty = 42 } };
var expected = new IInterface[] { new MyClass() { InterfaceProperty = 1, ClassProperty = 1337 } };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => actual.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>(@"Fluent Assertions 5.x.x has the params object[] overload,
which discards the compile time type.");
}
[Fact]
public void When_the_expectation_has_fewer_dimensions_than_a_multi_dimensional_subject_it_should_fail()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
object objectA = new object();
object objectB = new object();
var actual = new object[][] { new object[] { objectA, objectB } };
var expected = actual[0];
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => actual.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>(@"Fluent Assertions 5.x.x has the params object[] overload,
which cannot distinguish an array of objects from an element which is an array of objects.");
}
[Fact]
public void When_the_expectation_has_fewer_dimensions_than_a_one_dimensional_subject_it_should_succeed()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
object objectA = new object();
var actual = new object[] { objectA };
var expected = actual[0];
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => actual.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow<XunitException>(@"Fluent Assertions 5.x.x has the params object[] overload,
which treats a single object as an element of a list.");
}
[Fact]
public void When_the_expectation_is_an_array_of_anonymous_types_it_should_respect_runtime_types()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var actual = new[] { new { A = 1, B = 2 }, new { A = 1, B = 2 } };
var expected = new object[] { new { A = 1 }, new { B = 2 } };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => actual.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void When_a_byte_array_does_not_match_strictly_it_should_throw()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new byte[] { 1, 2, 3, 4, 5, 6 };
var expectation = new byte[] { 6, 5, 4, 3, 2, 1 };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().BeEquivalentTo(expectation);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().Throw<XunitException>()
.WithMessage("Expected*item[0]*6*1*");
}
[Fact]
public void When_a_collection_does_not_match_it_should_include_items_in_message()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new int[] { 1, 2 };
var expectation = new int[] { 3, 2, 1 };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().BeEquivalentTo(expectation);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().Throw<XunitException>()
.WithMessage("Expected*but*{1, 2}*1 item(s) less than*{3, 2, 1}*");
}
[Fact]
public void When_collection_of_same_count_does_not_match_it_should_include_at_most_10_items_in_message()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
const int commonLength = 11;
// Subjects contains different values, because we want to distinguish them in the assertion message
var subject = new int[commonLength] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
var expectation = Enumerable.Repeat(20, commonLength).ToArray();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().BeEquivalentTo(expectation);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().Throw<XunitException>().Which
.Message.Should().Contain("[9]").And.NotContain("[10]");
}
[Fact]
public void When_a_nullable_collection_does_not_match_it_should_throw()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new
{
Values = (ImmutableArray<int>?)ImmutableArray.Create<int>(1, 2, 3)
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(new
{
Values = (ImmutableArray<int>?)ImmutableArray.Create<int>(1, 2, 4)
});
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>().WithMessage("Expected member Values[2] to be 4, but found 3*");
}
[Fact]
public void
When_a_collection_contains_a_reference_to_an_object_that_is_also_in_its_parent_it_should_not_be_treated_as_a_cyclic_reference
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var logbook = new BasicEquivalencySpecs.LogbookCode("SomeKey");
var logbookEntry = new BasicEquivalencySpecs.LogbookEntryProjection
{
Logbook = logbook,
LogbookRelations = new[]
{
new BasicEquivalencySpecs.LogbookRelation
{
Logbook = logbook
}
}
};
var equivalentLogbookEntry = new BasicEquivalencySpecs.LogbookEntryProjection
{
Logbook = logbook,
LogbookRelations = new[]
{
new BasicEquivalencySpecs.LogbookRelation
{
Logbook = logbook
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act =
() =>
logbookEntry.Should().BeEquivalentTo(equivalentLogbookEntry);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void
When_a_collection_contains_less_items_than_expected_it_should_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var expected = new
{
Customers = new[]
{
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
},
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "Jane"
}
}
};
var subject = new
{
Customers = new[]
{
new CustomerDto
{
Age = 24,
Birthdate = 21.September(1973),
Name = "John"
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>()
.WithMessage(
"*member Customers to be a collection with 2 item(s), but*contains 1 item(s) less than*");
}
[Fact]
public void
When_a_collection_contains_more_items_than_expected_it_should_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var expected = new
{
Customers = new[]
{
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
}
}
};
var subject = new
{
Customers = new[]
{
new CustomerDto
{
Age = 38,
Birthdate = 20.September(1973),
Name = "Jane"
},
new CustomerDto
{
Age = 24,
Birthdate = 21.September(1973),
Name = "John"
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>()
.WithMessage(
"*member Customers to be a collection with 1 item(s), but*contains 1 item(s) more than*");
}
[Fact]
public void
When_a_collection_property_contains_objects_with_matching_properties_in_any_order_it_should_not_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var expected = new
{
Customers = new[]
{
new Customer
{
Age = 32,
Birthdate = 31.July(1978),
Name = "Jane"
},
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
}
}
};
var subject = new
{
Customers = new[]
{
new CustomerDto
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
},
new CustomerDto
{
Age = 32,
Birthdate = 31.July(1978),
Name = "Jane"
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected, o => o.ExcludingMissingMembers());
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void
When_a_collection_property_contains_objects_with_mismatching_properties_it_should_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var expected = new
{
Customers = new[]
{
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
}
}
};
var subject = new
{
Customers = new[]
{
new CustomerDto
{
Age = 38,
Birthdate = 20.September(1973),
Name = "Jane"
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>()
.WithMessage("*Customers[0].Name*John*Jane*");
}
[Fact]
public void
When_a_collection_property_was_expected_but_the_property_is_not_a_collection_it_should_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new
{
Customers = "Jane, John"
};
var expected = new
{
Customers = new[]
{
new Customer
{
Age = 38,
Birthdate = 20.September(1973),
Name = "John"
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>()
.WithMessage(
"*member Customers to be {*Customer*{*Age*38*, but*Jane, John*");
}
[Fact]
public void
When_a_complex_object_graph_with_collections_matches_expectations_it_should_not_throw
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new
{
Bytes = new byte[]
{
1, 2, 3, 4
},
Object = new
{
A = 1,
B = 2
}
};
var expected = new
{
Bytes = new byte[]
{
1, 2, 3, 4
},
Object = new
{
A = 1,
B = 2
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void When_a_deeply_nested_property_of_a_collection_with_an_invalid_value_is_excluded_it_should_not_throw()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new
{
Text = "Root",
Level = new
{
Text = "Level1",
Level = new
{
Text = "Level2"
},
Collection = new[]
{
new { Number = 1, Text = "Text" },
new { Number = 2, Text = "Actual" }
}
}
};
var expected = new
{
Text = "Root",
Level = new
{
Text = "Level1",
Level = new
{
Text = "Level2"
},
Collection = new[]
{
new { Number = 1, Text = "Text" },
new { Number = 2, Text = "Expected" }
}
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected,
options => options.Excluding(x => x.Level.Collection[1].Number).Excluding(x => x.Level.Collection[1].Text));
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void
When_a_dictionary_property_is_detected_it_should_ignore_the_order_of_the_pairs
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var expected = new
{
Customers = new Dictionary<string, string>
{
["Key2"] = "Value2",
["Key1"] = "Value1"
}
};
var subject = new
{
Customers = new Dictionary<string, string>
{
["Key1"] = "Value1",
["Key2"] = "Value2"
}
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => subject.Should().BeEquivalentTo(expected);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void
When_a_object_implements_multiple_IEnumerable_interfaces_but_the_declared_type_is_assignable_to_only_one_and_runtime_checking_is_configured_it_should_fail
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
IEnumerable<string> collection1 = new EnumerableOfStringAndObject();
IEnumerable<string> collection2 = new EnumerableOfStringAndObject();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act =
() => collection1.Should().BeEquivalentTo(collection2, opts => opts.RespectingRuntimeTypes());
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>("the runtime type is assignable to two IEnumerable interfaces")
.WithMessage("*cannot determine which one*");
}
[Fact]
public void When_a_specific_property_is_included_it_should_ignore_the_rest_of_the_properties()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var result = new[]
{
new
{
A = "aaa",
B = "bbb"
}
};
var expected = new
{
A = "aaa",
B = "ccc"
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => result.Should().BeEquivalentTo(new[] { expected }, options => options.Including(x => x.A));
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().NotThrow();
}
[Fact]
public void
When_a_strongly_typed_collection_is_declared_as_an_untyped_collection_and_runtime_checking_is_configured_is_should_use_the_runtime_type
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
ICollection collection1 = new List<Car> { new Car() };
ICollection collection2 = new List<Customer> { new Customer() };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act =
() => collection1.Should().BeEquivalentTo(collection2, opts => opts.RespectingRuntimeTypes());
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
act.Should().Throw<XunitException>("the items have different runtime types");
}
[Fact]
public void When_all_subject_items_are_equivalent_to_expectation_object_it_should_succeed()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new List<SomeDto>
{
new SomeDto { Name = "someDto", Age = 1 },
new SomeDto { Name = "someDto", Age = 1 },
new SomeDto { Name = "someDto", Age = 1 }
};
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().AllBeEquivalentTo(new
{
Name = "someDto",
Age = 1,
Birthdate = new DateTime()
});
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().NotThrow();
}
[Fact]
public void When_some_subject_items_are_not_equivalent_to_expectation_object_it_should_throw()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = new[] { 1, 2, 3 };
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().AllBeEquivalentTo(1);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().Throw<XunitException>().WithMessage(
"Expected item[1] to be 1, but found 2.*Expected item[2] to be 1, but found 3*");
}
[Fact]
public void When_more_than_10_subjects_items_are_not_equivalent_to_expectation_only_10_are_reported()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var subject = Enumerable.Repeat(2, 11);
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () => subject.Should().AllBeEquivalentTo(1);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.Should().Throw<XunitException>().Which
.Message.Should().Contain("item[9] to be 1, but found 2")
.And.NotContain("item[10]");
}
[Fact]
public void When_some_subject_items_are_not_equivalent_to_expectation_for_huge_table_execution_time_should_still_be_short()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
const int N = 100000;
var subject = new List<int>(N) { 1 };
for (int i = 1; i < N; i++)
{
subject.Add(2);
}
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () =>
{
try { subject.Should().AllBeEquivalentTo(1); }
catch
{
// ignored, we only care about execution time
}
};
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.ExecutionTime().Should().BeLessThan(1.Seconds());
}
[Fact]
public void
When_an_object_implements_multiple_IEnumerable_interfaces_but_the_declared_type_is_assignable_to_only_one_it_should_respect_the_declared_type
()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
IEnumerable<string> collection1 = new EnumerableOfStringAndObject();
IEnumerable<string> collection2 = new EnumerableOfStringAndObject();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action act = () => collection1.Should().BeEquivalentTo(collection2);