public void GraphEqualsNullSecondWithEqualityComparerThrows()
{
var dummyNode = new CompositeSpecimenBuilder();
var dummyEqualityComparer = new DelegatingEqualityComparer <ISpecimenBuilder>();
Assert.Throws <ArgumentNullException>(() =>
dummyNode.GraphEquals(null, dummyEqualityComparer));
}
public void ComparerIsCorrect()
{
var expected = new DelegatingEqualityComparer<decimal>();
var sut = new Criterion<decimal>(1337m, expected);
var actual = sut.Comparer;
Assert.Equal(expected, actual);
}
public void ConstructWithNullTargetAndDummyComparerThrows()
{
// Arrange
var dummyComparer = new DelegatingEqualityComparer();
// Act & assert
Assert.Throws <ArgumentNullException>(() =>
new EqualRequestSpecification(null, dummyComparer));
}
public void ComparerIsCorrect()
{
var expected = new DelegatingEqualityComparer <decimal>();
var sut = new Criterion <decimal>(1337m, expected);
var actual = sut.Comparer;
Assert.Equal(expected, actual);
}
public void ConstructWithNullTargetAndDummyComparerThrows()
{
// Fixture setup
var dummyComparer = new DelegatingEqualityComparer();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
new EqualRequestSpecification(null, dummyComparer));
// Teardown
}
public void SutEqualsIdenticalValue()
{
var target = Guid.NewGuid();
var comparer = new DelegatingEqualityComparer<Guid>();
var sut = new Criterion<Guid>(target, comparer);
var other = new Criterion<Guid>(target, comparer);
var actual = sut.Equals(other);
Assert.True(actual, "Expected structural equality to hold.");
}
public void SutEqualsIdenticalValue()
{
var target = Guid.NewGuid();
var comparer = new DelegatingEqualityComparer <Guid>();
var sut = new Criterion <Guid>(target, comparer);
var other = new Criterion <Guid>(target, comparer);
var actual = sut.Equals(other);
Assert.True(actual, "Expected structural equality to hold.");
}
public void ComparerIsCorrect()
{
// Arrange
var expected = new DelegatingEqualityComparer();
var dummyTarget = new object();
var sut = new EqualRequestSpecification(dummyTarget, expected);
// Act
IEqualityComparer actual = sut.Comparer;
// Assert
Assert.Equal(expected, actual);
}
public void ComposeRetainsComparer()
{
// Fixture setup
var dummyBuilder = new DelegatingSpecimenBuilder();
var expected = new DelegatingEqualityComparer();
var sut = new NullRecursionGuard(dummyBuilder, expected);
// Exercise system
var actual = sut.Compose(new ISpecimenBuilder[0]);
// Verify outcome
var rg = Assert.IsAssignableFrom<NullRecursionGuard>(actual);
Assert.Equal(expected, rg.Comparer);
// Teardown
}
public void ComposeRetainsComparer()
{
// Arrange
var dummyBuilder = new DelegatingSpecimenBuilder();
var expected = new DelegatingEqualityComparer();
var sut = new NullRecursionGuard(dummyBuilder, expected);
// Act
var actual = sut.Compose(new ISpecimenBuilder[0]);
// Assert
var rg = Assert.IsAssignableFrom <NullRecursionGuard>(actual);
Assert.Equal(expected, rg.Comparer);
}
public void ComparerIsCorrect()
{
// Fixture setup
var expected = new DelegatingEqualityComparer();
var dummyTarget = new object();
var sut = new EqualRequestSpecification(dummyTarget, expected);
// Exercise system
IEqualityComparer actual = sut.Comparer;
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
public void SutDoesNotEqualOtherWhenTargetDiffers(
int sutTarget,
int otherTarget)
{
var comparer = new DelegatingEqualityComparer <int>();
var sut = new Criterion <int>(sutTarget, comparer);
var other = new Criterion <int>(otherTarget, comparer);
var actual = sut.Equals(other);
Assert.False(
actual,
"SUT shouldn't equal other with different target");
}
public void ComposeRetainsComparer()
{
// Fixture setup
var dummyBuilder = new DelegatingSpecimenBuilder();
var expected = new DelegatingEqualityComparer();
var sut = new ThrowingRecursionGuard(dummyBuilder, expected);
// Exercise system
var actual = sut.Compose(new ISpecimenBuilder[0]);
// Verify outcome
var rg = Assert.IsAssignableFrom <ThrowingRecursionGuard>(actual);
Assert.Equal(expected, rg.Comparer);
// Teardown
}
public void EmptyNodesAreEqualAccordingToComparer(bool expected)
{
// Arrange
var node1 = new CompositeSpecimenBuilder();
var node2 = new CompositeSpecimenBuilder();
var comparer = new DelegatingEqualityComparer <ISpecimenBuilder>
{
OnEquals = (x, y) => x == node1 && y == node2 && expected
};
// Act
var actual = node1.GraphEquals(node2, comparer);
// Assert
Assert.Equal(expected, actual);
}
public void IsSatisfiedByReturnsResultFromComparer(bool expected)
{
// Arrange
var target = new object();
var other = new object();
var comparer = new DelegatingEqualityComparer
{
OnEquals = (x, y) => x == target && y == other && expected
};
var sut = new EqualRequestSpecification(target, comparer);
// Act
var actual = sut.IsSatisfiedBy(other);
// Assert
Assert.Equal(expected, actual);
}
public void IsSatisfiedByReturnsResultFromComparer(bool expected)
{
// Fixture setup
var target = new object();
var other = new object();
var comparer = new DelegatingEqualityComparer
{
OnEquals = (x, y) => x == target && y == other && expected
};
var sut = new EqualRequestSpecification(target, comparer);
// Exercise system
var actual = sut.IsSatisfiedBy(other);
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
public void EmptyNodesAreEqualAccordingToComparer(bool expected)
{
// Fixture setup
var node1 = new CompositeSpecimenBuilder();
var node2 = new CompositeSpecimenBuilder();
var comparer = new DelegatingEqualityComparer <ISpecimenBuilder>
{
OnEquals = (x, y) => x == node1 && y == node2 && expected
};
// Exercise system
var actual = node1.GraphEquals(node2, comparer);
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
public void IsSatisfiedByReturnsResultFromComparer(bool expected)
{
// Fixture setup
var target = new object();
var other = new object();
var comparer = new DelegatingEqualityComparer
{
OnEquals = (x, y) => x == target && y == other && expected
};
var sut = new EqualRequestSpecification(target, comparer);
// Exercise system
var actual = sut.IsSatisfiedBy(other);
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
public void EqualsReturnsComparerResult(
string target,
string candidate,
bool expected)
{
var comparer = new DelegatingEqualityComparer<string>
{
OnEquals = (x, y) =>
{
Assert.Equal(target, x);
Assert.Equal(candidate, y);
return expected;
}
};
var sut = new Criterion<string>(target, comparer);
var actual = sut.Equals(candidate);
Assert.Equal(expected, actual);
}
public void EqualsReturnsComparerResult(
string target,
string candidate,
bool expected)
{
var comparer = new DelegatingEqualityComparer <string>
{
OnEquals = (x, y) =>
{
Assert.Equal(target, x);
Assert.Equal(candidate, y);
return(expected);
}
};
var sut = new Criterion <string>(target, comparer);
var actual = sut.Equals(candidate);
Assert.Equal(expected, actual);
}
public OperationEqualityVisitor()
{
equalityComparerForOperations =
new DelegatingEqualityComparer <IOperation>((left, right) => left.Accept(this, right));
equalityComparerForSymbols = new DelegatingEqualityComparer <ISymbol>((left, right) => left.Equals(right));
}
public void SutDoesNotEqualOtherWhenTargetDiffers(
int sutTarget,
int otherTarget)
{
var comparer = new DelegatingEqualityComparer<int>();
var sut = new Criterion<int>(sutTarget, comparer);
var other = new Criterion<int>(otherTarget, comparer);
var actual = sut.Equals(other);
Assert.False(
actual,
"SUT shouldn't equal other with different target");
}
public void ConstructWithNullTargetAndDummyComparerThrows()
{
// Fixture setup
var dummyComparer = new DelegatingEqualityComparer();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
new EqualRequestSpecification(null, dummyComparer));
// Teardown
}
public void ComparerIsCorrect()
{
// Fixture setup
var expected = new DelegatingEqualityComparer();
var dummyTarget = new object();
var sut = new EqualRequestSpecification(dummyTarget, expected);
// Exercise system
IEqualityComparer actual = sut.Comparer;
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}
