I think you're correct in assuming the TimeZoneInfo equality checks.
I just did a quick test of this:
[TestMethod]
public void Check()
{
var tzi1 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
var tzi2 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
Assert.AreSame(tzi1, tzi2);
}
And the test failed. So FindSystemTimeZoneById is returning a new
object even if it represents the same timezone. You may have to write
a wrapper for TimeZoneInfo that overrides Equals and do your own
equality comparison.
---
Patrick Steele
http://weblogs.asp.net/psteele
On Sun, Apr 18, 2010 at 12:46 AM, Ryan W <[email protected]> wrote:
> I'm having a hard time getting expectations to work for TimeZoneInfo,
> and was hoping someone could take a look and verify I'm doing this
> correctly? Here's some sample code:
>
>
> public interface IServiceThatUsesTimeZoneInfo
> {
> string MethodWithTimeZoneInfoParameter(TimeZoneInfo tzInfo);
> }
>
> public class CodeUnderTest
> {
> IServiceThatUsesTimeZoneInfo _service;
>
> public CodeUnderTest(IServiceThatUsesTimeZoneInfo service)
> {
> _service = service;
> }
>
> public string MethodToTest()
> {
> return
> _service.MethodWithTimeZoneInfoParameter(TimeZoneInfo.FindSystemTimeZoneById("Pacific
> Standard Time"));
> }
> }
>
> [TestFixture]
> public class TimeZoneInfoTest
> {
> [Test]
> public void TestTimeZoneInfoMock()
> {
> RhinoMocks.Logger = new
> TextWriterExpectationLogger(Console.Out);
> IServiceThatUsesTimeZoneInfo fakeService =
> MockRepository.GenerateMock<IServiceThatUsesTimeZoneInfo>();
> fakeService.Expect(service =>
> service.MethodWithTimeZoneInfoParameter(TimeZoneInfo.FindSystemTimeZoneById("Pacific
> Standard Time"))).Return("hello world");
> //fakeService.Expect(service =>
> service.MethodWithTimeZoneInfoParameter(TimeZoneInfo.FindSystemTimeZoneById("Pacific
> Standard Time"))).IgnoreArguments().Return("hello world");
> CodeUnderTest c = new CodeUnderTest(fakeService);
> string s = c.MethodToTest();
> Assert.AreEqual("hello world", s);
> fakeService.VerifyAllExpectations();
> }
> }
>
>
> This test fails, unless I add the IgnoreArguments. But you'll see
> with the Expectation Logger that they appear to be equal instances of
> TimeZoneInfo. Perhaps this is a problem with TimeZoneInfo, and doing
> equality checks with them? How can I get to TimeZoneInfo instances to
> match up with Rhino Mocks expectations?
>
> Thanks!
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