public void ProgressViewModel_SetUpperBoundLimitedValue()
{
// Arrange
ProgressViewModel testSubject = new ProgressViewModel();
// Sanity
testSubject.Value.Should().Be(0, "Default value expected");
// Act + Assert
// Erroneous cases
Exceptions.Expect <ArgumentOutOfRangeException>(() => testSubject.SetUpperBoundLimitedValue(double.NegativeInfinity));
Exceptions.Expect <ArgumentOutOfRangeException>(() => testSubject.SetUpperBoundLimitedValue(double.PositiveInfinity));
Exceptions.Expect <ArgumentOutOfRangeException>(() => testSubject.SetUpperBoundLimitedValue(0 - double.Epsilon));
Exceptions.Expect <ArgumentOutOfRangeException>(() => testSubject.SetUpperBoundLimitedValue(1.0 + ProgressViewModel.UpperBoundMarginalErrorSupport + ProgressViewModel.UpperBoundMarginalErrorSupport));
// Sanity
testSubject.Value.Should().Be(0.0, "Erroneous cases should not change the default value");
// NaN supported
testSubject.SetUpperBoundLimitedValue(double.NaN);
testSubject.Value.Should().Be(double.NaN);
// Zero in range
testSubject.SetUpperBoundLimitedValue(0);
testSubject.Value.Should().Be(0.0);
// One is in range
testSubject.SetUpperBoundLimitedValue(1);
testSubject.Value.Should().Be(1.0);
// Anything between zero and one is in range
Random r = new Random();
double val = r.NextDouble();
testSubject.SetUpperBoundLimitedValue(val);
testSubject.Value.Should().Be(val);
// More than one (i.e floating point summation errors) will become one
testSubject.SetUpperBoundLimitedValue(1.0 + ProgressViewModel.UpperBoundMarginalErrorSupport);
testSubject.Value.Should().Be(1.0);
}
