public void Permission_InvalidArguments()
{
PolicyPermission permission = new PolicyPermission("abc");
IPermission[] values = new IPermission[] {
null,
new PrincipalPermission("abc", "xyz")
};
Action<IPermission>[] tests = new Action<IPermission>[] {
(value) => permission.Intersect(value),
(value) => permission.Union(value),
(value) => permission.IsSubsetOf(value)
};
for (Int32 i = 0; i != tests.Length; ++i)
for (Int32 j = 0; j != values.Length; ++j)
Assert.Throws(typeof(ArgumentNullException),
() => tests[i](values[j]));
}
public void SetOperations_CorrectValues()
{
IPermission p1 = new PolicyPermission("a");
IPermission p2 = new PolicyPermission("b");
IPermission p3 = p1.Union(p2);
IPermission p4 = p1.Intersect(p3);
IPermission p5 = p1.Intersect(p2);
IPermission p6 = p1.Union(p1);
SetShouldBe(p1, new String[] { "a" });
SetShouldBe(p2, new String[] { "b" });
SetShouldBe(p3, new String[] { "a", "b" });
SetShouldBe(p4, new String[] { "a" });
Assert.IsNull(p5);
SetShouldBe(p6, new String[] { "a" });
Assert.IsTrue(p1.IsSubsetOf(p1));
Assert.IsTrue(p1.IsSubsetOf(p3));
Assert.IsFalse(p3.IsSubsetOf(p1));
}