/// <summary>
/// Builds the param expectation.
/// </summary>
/// <param name="invocation">
/// The invocation.
/// </param>
/// <param name="method">
/// The method.
/// </param>
/// <returns>
/// </returns>
public IExpectation BuildParamExpectation(IInvocation invocation, MethodInfo method)
{
ArgManager.CheckMethodSignature(method);
ConstraintsExpectation expectation = new ConstraintsExpectation(invocation, ArgManager.GetAllConstraints(),
new Range(1, null));
expectation.OutRefParams = ArgManager.GetAllReturnValues();
return expectation;
}
public ConstraintExpectationTests()
{
method = typeof (IDemo).GetMethod("VoidThreeArgs");
expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
Text.Like(@"[\w\d]+"),
Is.Equal(3.14f),
}, new Range(1, 1));
}
public void CreateErrorMessageForConstraints()
{
ConstraintsExpectation expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
Is.Null(),
Text.Like(@"[\w\d]+1234")
}, new Range(1, 1));
string message = "IDemo.VoidThreeArgs(anything, equal to null, like \"[\\w\\d]+1234\");";
Assert.Equal(message, expectation.ErrorMessage);
}
protected override IExpectation GetExpectation(MethodInfo m, Range r, int actual)
{
IExpectation expectation = new ConstraintsExpectation(new FakeInvocation(m),new AbstractConstraint[0], new Range(1, 1));
SetupExpectation(expectation, r, actual);
return expectation;
}
public void PassingNullConstraintsThrows()
{
InvalidOperationException ex = Assert.Throws<InvalidOperationException>(
() =>
expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
null,
Is.Equal(3.14f),
}, new Range(1, 1)));
Assert.Equal("The constraint at index 1 is null! Use Is.Null() to represent null parameters.", ex.Message);
}