public void ShouldCalculateStackLevel()
{
//arrange
var clr1Call1 = new MethodEvent { CallId = 1, };
var clr1Call2 = new MethodEvent { CallId = 2 };
var clr1Call3 = new MethodEvent { CallId = 3 };
var clr2Call3 = new MethodEvent { CallId = 3 };
var clr1Call4 = new MethodEvent { CallId = 4 };
var clr2Call4 = new MethodEvent { CallId = 4 };
var clr2Call2 = new MethodEvent { CallId = 2 };
var clr2Call1 = new MethodEvent { CallId = 1 };
var target = new ShadowStackBuilder();
//act
target.TraceEnter(clr1Call1);
target.TraceEnter(clr1Call2);
target.TraceEnter(clr1Call3);
var result3 = target.TraceLeave(clr2Call3);
target.TraceEnter(clr1Call4);
var result4 = target.TraceLeave(clr2Call4);
var result2 = target.TraceLeave(clr2Call2);
var result1 = target.TraceLeave(clr2Call1);
//assert
Assert.Equal(2, result3.StackLevel);
Assert.Equal(2, result4.StackLevel);
Assert.Equal(1, result2.StackLevel);
Assert.Equal(0, result1.StackLevel);
}
public void ShouldCalculateExclusiveTimeOnException()
{
//arrange
var clr1Call1 = new MethodEvent {CallId = 1, Ticks = 5};
var clr1Call2 = new MethodEvent {CallId = 2, Ticks = 27};
var clr1Call3 = new MethodEvent {CallId = 3, Ticks = 30};
var clr1Call4 = new MethodEvent {CallId = 4, Ticks = 32};
var clr2Call4 = new MethodEvent {CallId = 4, Ticks = 35};
var clr2Call2 = new MethodEvent {CallId = 2, Ticks = 40};
var clr2Call1 = new MethodEvent {CallId = 1, Ticks = 50};
var target = new ShadowStackBuilder();
//act
target.TraceEnter(clr1Call1);
target.TraceEnter(clr1Call2);
target.TraceEnter(clr1Call3);
//target.Trace(clr2Call3);
target.TraceEnter(clr1Call4);
var result4 = target.TraceLeave(clr2Call4);
var result2 = target.TraceLeave(clr2Call2);
var result1 = target.TraceLeave(clr2Call1);
//assert
Assert.Null(result2.ElapsedExclusive); //we dont have full stack information.Unable calculate Exclusive time and it is left null
Assert.Equal(32, result1.ElapsedExclusive);
Assert.Equal(3, result4.ElapsedExclusive);
}
public void Should_calculate_exclusive_time()
{
//arrange
var clr1Call1 = new MethodEvent { CallId = 1, Ticks = 5 };
var clr1Call2 = new MethodEvent { CallId = 2, Ticks = 27 };
var clr1Call3 = new MethodEvent { CallId = 3, Ticks = 30 };
var clr2Call3 = new MethodEvent { CallId = 3, Ticks = 31 };
var clr1Call4 = new MethodEvent { CallId = 4, Ticks = 32 };
var clr2Call4 = new MethodEvent { CallId = 4, Ticks = 35 };
var clr2Call2 = new MethodEvent { CallId = 2, Ticks = 40 };
var clr2Call1 = new MethodEvent { CallId = 1, Ticks = 50 };
var target = new ShadowStackBuilder();
//act
target.TraceEnter(clr1Call1);
target.TraceEnter(clr1Call2);
target.TraceEnter(clr1Call3);
target.TraceLeave(clr2Call3);
target.TraceEnter(clr1Call4);
var result4 = target.TraceLeave(clr2Call4);
var result2 = target.TraceLeave(clr2Call2);
var result1 = target.TraceLeave(clr2Call1);
//assert
Assert.Equal(9, result2.ElapsedExclusive);
Assert.Equal(32, result1.ElapsedExclusive);
Assert.Equal(3, result4.ElapsedExclusive);
}
public void Should_calculate_inclusive_time()
{
//arrange
var clr1Call1 = new MethodEvent { CallId = 1, };
var clr1Call2 = new MethodEvent { CallId = 2, Ticks = 27 };
var clr1Call3 = new MethodEvent { CallId = 3 };
var clr2Call3 = new MethodEvent { CallId = 3 };
var clr1Call4 = new MethodEvent { CallId = 4 };
var clr2Call4 = new MethodEvent { CallId = 4 };
var clr2Call2 = new MethodEvent { CallId = 2, Ticks = 40 };
var clr2Call1 = new MethodEvent { CallId = 1 };
var target = new ShadowStackBuilder();
//act
target.TraceEnter(clr1Call1);
target.TraceEnter(clr1Call2);
target.TraceEnter(clr1Call3);
target.TraceLeave(clr2Call3);
target.TraceEnter(clr1Call4);
target.TraceLeave(clr2Call4);
var result = target.TraceLeave(clr2Call2);
target.TraceLeave(clr2Call1);
//assert
Assert.Equal(13, result.ElapsedInclusive);
}
public void ShouldCalculateStackLevelOnException()
{
//arrange
var clr1Call1 = new MethodEvent { CallId = 1, };
var clr1Call2 = new MethodEvent { CallId = 2 };
var clr1Call3 = new MethodEvent { CallId = 3 };
var clr1Call4 = new MethodEvent { CallId = 4 };
var clr2Call4 = new MethodEvent { CallId = 4 };
var clr2Call2 = new MethodEvent { CallId = 2 };
var clr2Call1 = new MethodEvent { CallId = 1 };
var target = new ShadowStackBuilder();
//act
target.TraceEnter(clr1Call1);
target.TraceEnter(clr1Call2);
target.TraceEnter(clr1Call3);
target.TraceEnter(clr1Call4);
var result4 = target.TraceLeave(clr2Call4);
var result2 = target.TraceLeave(clr2Call2);
var result1 = target.TraceLeave(clr2Call1);
//assert
Assert.Equal(3, result4.StackLevel);//we dont know if 4 was called by 2 or by 3
Assert.Equal(1, result2.StackLevel);
Assert.Equal(0, result1.StackLevel);
Assert.True (result2.HandledException);
Assert.False(result1.HandledException);
Assert.False(result4.HandledException);
}