public void IsSubsetOfShouldFailWhenFalse()
{
// arrange
var assert = new Asserter();
var superset = new List <object>()
{
new object(),
new object(),
new object(),
};
var subset = new List <object>()
{
superset[2],
superset[0],
new object(),
};
var comparer = EqualityComparer <object> .Default;
try
{
// act
assert.IsSubsetOf(subset, superset, comparer);
}
catch (AssertFailedException)
{
// assert
return;
}
Assert.Fail("An exception was expected, but not thrown.");
}
public void IsSubsetOfShouldPassWhenTrue()
{
// arrange
var assert = new Asserter();
var superset = new List <object>()
{
new object(),
new object(),
new object(),
};
var subset = new List <object>()
{
superset[2],
superset[0],
};
var comparer = EqualityComparer <object> .Default;
// act, assert
assert.IsSubsetOf(subset, superset, comparer);
}
public void IsSubsetOfShouldNotAllowNullComparer()
{
// arrange
var assert = new Asserter();
var subset = new object[0];
var superset = new object[0];
var comparer = default(IEqualityComparer <object>);
try
{
// act
assert.IsSubsetOf(subset, superset, comparer);
}
catch (AssertFailedException ex)
{
// assert
Assert.AreEqual(GetExpectedMessage(nameof(comparer)), ex.Message);
return;
}
Assert.Fail("An exception was expected, but not thrown.");
}