public void ForEach_Resets()
{
PrimitiveUnit unit0 = new PrimitiveUnit("a");
ProductQuotientSet productQuotientSet = new ProductQuotientSet(unit0);
PrimitiveUnit unit1 = new PrimitiveUnit("b", new PrimitiveUnit("2"));
productQuotientSet.MultiplyItem(unit1);
PrimitiveUnit unit2 = new PrimitiveUnit("c");
productQuotientSet.DivideItem(unit2);
IEnumerator enumerator = productQuotientSet.GetEnumerator();
enumerator.MoveNext();
UnitOperatorPair unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit0));
enumerator.MoveNext();
unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit1));
enumerator.Reset();
unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit0));
}
public void ForEach_Throws_Exception()
{
PrimitiveUnit unit0 = new PrimitiveUnit("a");
ProductQuotientSet productQuotientSet = new ProductQuotientSet(unit0);
PrimitiveUnit unit1 = new PrimitiveUnit("b", new PrimitiveUnit("2"));
productQuotientSet.MultiplyItem(unit1);
PrimitiveUnit unit2 = new PrimitiveUnit("c");
productQuotientSet.DivideItem(unit2);
// Not incremented yet
IEnumerator enumerator = productQuotientSet.GetEnumerator();
Assert.Throws <ArgumentOutOfRangeException>(() => { IBase badUnit = (IBase)enumerator.Current; });
enumerator.MoveNext();
UnitOperatorPair unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit0));
enumerator.MoveNext();
unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit1));
enumerator.MoveNext();
unitOperatorPair = (UnitOperatorPair)enumerator.Current;
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit2));
// Too many increments
enumerator.MoveNext();
Assert.Throws <ArgumentOutOfRangeException>(() => { IBase badUnit = (IBase)enumerator.Current; });
}
public void Index_Accesses_Invalid_Index_Throws_Exception()
{
ProductQuotientSet productQuotientSet = new ProductQuotientSet("a");
PrimitiveUnit unit1 = new PrimitiveUnit("b", new PrimitiveUnit("2"));
productQuotientSet.MultiplyItem(unit1);
PrimitiveUnit unit2 = new PrimitiveUnit("c");
productQuotientSet.DivideItem(unit2);
Assert.Throws <ArgumentOutOfRangeException>(() => { UnitOperatorPair unitOperatorPair = productQuotientSet[-1]; });
Assert.Throws <ArgumentOutOfRangeException>(() => { UnitOperatorPair unitOperatorPair = productQuotientSet[3]; });
}
public void Index_Accesses_Valid_Index_Returns_Item()
{
ProductQuotientSet productQuotientSet = new ProductQuotientSet("a");
PrimitiveUnit unit1 = new PrimitiveUnit("b", new PrimitiveUnit("2"));
productQuotientSet.MultiplyItem(unit1);
PrimitiveUnit unit2 = new PrimitiveUnit("c");
productQuotientSet.DivideItem(unit2);
UnitOperatorPair unitOperatorPair = productQuotientSet[1];
Assert.IsTrue(unitOperatorPair.Unit.Equals(unit1));
Assert.That(unitOperatorPair.Operator, Is.EqualTo("*"));
}