public void ProgressViewModel_AllPublicPropertiesNotifyChanges()
{
ProgressViewModel testSubject = new ProgressViewModel();
ViewModelVerifier.RunVerificationTest<ProgressViewModel, double>(testSubject, "Value", double.NaN, 1.0);
ViewModelVerifier.RunVerificationTest<ProgressViewModel, bool>(testSubject, "IsIndeterminate", true, false);
}
public void ProgressViewModel_ArgChecks()
{
ProgressViewModel testSubject = new ProgressViewModel();
// Setting the main progress with values out of [0..1] range will throw
Exceptions.Expect<ArgumentOutOfRangeException>(() => testSubject.Value = double.NegativeInfinity);
Exceptions.Expect<ArgumentOutOfRangeException>(() => testSubject.Value = double.PositiveInfinity);
Exceptions.Expect<ArgumentOutOfRangeException>(() => testSubject.Value = 0.0 - double.Epsilon);
Exceptions.Expect<ArgumentOutOfRangeException>(() => testSubject.Value = 1.00001);
// Valid
testSubject.Value = 0;
testSubject.Value = 0.5;
testSubject.Value = 1.0;
testSubject.Value = double.NaN;
}
public void ProgressViewModel_SetUpperBoundLimitedValue()
{
// Setup
ProgressViewModel testSubject = new ProgressViewModel();
// Sanity
Assert.AreEqual(0, testSubject.Value, "Default value expected");
// Act + Verify
// 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
Assert.AreEqual(0.0, testSubject.Value, "Erroneous cases should not change the default value");
// NaN supported
testSubject.SetUpperBoundLimitedValue(double.NaN);
Assert.AreEqual(double.NaN, testSubject.Value);
// Zero in range
testSubject.SetUpperBoundLimitedValue(0);
Assert.AreEqual(0.0, testSubject.Value);
// One is in range
testSubject.SetUpperBoundLimitedValue(1);
Assert.AreEqual(1.0, testSubject.Value);
// Anything between zero and one is in range
Random r = new Random();
double val = r.NextDouble();
testSubject.SetUpperBoundLimitedValue(val);
Assert.AreEqual(val, testSubject.Value);
// More than one (i.e floating point summation errors) will become one
testSubject.SetUpperBoundLimitedValue(1.0 + ProgressViewModel.UpperBoundMarginalErrorSupport);
Assert.AreEqual(1.0, testSubject.Value);
}
