public void LoadOpenCoverProfilerInstead_IgnoresUnexpectedTypes(Type type)
{
// arrange
var instance = Activator.CreateInstance(type); // type must have a paramterless constructor
// act/assert
Assert.DoesNotThrow(() => FakesHelper.LoadOpenCoverProfilerInstead(instance));
}
public void PretendWeLoadedFakesProfiler_DoesNotChangesEnvironmentVariablesIfNotEnables()
{
// arrange
Environment.SetEnvironmentVariable("COR_ENABLE_PROFILING", "0");
Environment.SetEnvironmentVariable("COR_PROFILER", "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}");
Environment.SetEnvironmentVariable("CHAIN_EXTERNAL_PROFILER", "{0000002F-0000-0000-C000-000000000046}");
// act
Assert.DoesNotThrow(() => FakesHelper.PretendWeLoadedFakesProfiler(null));
// assert
Assert.AreEqual("{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}", Environment.GetEnvironmentVariable("COR_PROFILER"));
}
public void LoadOpenCoverProfilerInstead_DoesNotAlterProfilerIfNotEnabled()
{
// arrange
var dict = new Dictionary <string, string>()
{
{ "COR_ENABLE_PROFILING", "0" },
{ "COR_PROFILER", "{0000002F-0000-0000-C000-000000000046}" } // not a real profiler just a COM object that should exist on every box
};
// act
Assert.DoesNotThrow(() => FakesHelper.LoadOpenCoverProfilerInstead(dict));
// assert
Assert.AreEqual("{0000002F-0000-0000-C000-000000000046}", dict["COR_PROFILER"]);
}
public void LoadOpenCoverProfilerInstead_DoesNotAlterProfilerIfCurrentProfilerIsOpenCover()
{
// arrange
var dict = new Dictionary <string, string>()
{
{ "COR_ENABLE_PROFILING", "1" },
{ "COR_PROFILER", "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}" } // not a real profiler just a COM object that should exist on every box
};
// act
Assert.DoesNotThrow(() => FakesHelper.LoadOpenCoverProfilerInstead(dict));
// assert
Assert.AreEqual("{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}", dict["COR_PROFILER"]);
Assert.IsFalse(dict.ContainsKey("CHAIN_EXTERNAL_PROFILER"));
Assert.IsFalse(dict.ContainsKey("CHAIN_EXTERNAL_PROFILER_LOCATION"));
}
public void LoadOpenCoverProfilerInstead_SwapsOutOriginalProfilerForOpenCover()
{
// arrange
var dict = new Dictionary <string, string>()
{
{ "COR_ENABLE_PROFILING", "1" },
{ "COR_PROFILER", "{0000002F-0000-0000-C000-000000000046}" } // not a real profiler just a COM object that should exist on every box
};
// act
Assert.DoesNotThrow(() => FakesHelper.LoadOpenCoverProfilerInstead(dict));
// assert
Assert.AreEqual("{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}", dict["COR_PROFILER"]);
Assert.AreEqual("{0000002F-0000-0000-C000-000000000046}", dict["CHAIN_EXTERNAL_PROFILER"]);
Assert.IsTrue(dict["CHAIN_EXTERNAL_PROFILER_LOCATION"].EndsWith("oleaut32.dll", StringComparison.InvariantCultureIgnoreCase));
}
