public void WalkTheStackAndExpandSamplesHandlesBrokenStacks(StackSourceFrameIndex kind)
{
// Main() calls WRONG
const double relativeTime = 0.1;
var main = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "Main",
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var wrong = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "WRONG",
frameIndex: kind,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: main.StackIndex);
var allSamples = new[] { main, wrong };
var leafs = new[] { new SpeedScopeStackSourceWriter.Sample(wrong.StackIndex, -1, wrong.RelativeTime, wrong.Metric, -1) };
var stackSource = new StackSourceStub(allSamples);
var frameNameToId = new Dictionary <string, int>();
var frameIdToSamples = SpeedScopeStackSourceWriter.WalkTheStackAndExpandSamples(stackSource, leafs, frameNameToId);
Assert.Equal(0, frameNameToId[main.Name]);
Assert.False(frameNameToId.ContainsKey(wrong.Name));
var theOnlySample = frameIdToSamples.Single().Value.Single();
Assert.Equal(relativeTime, theOnlySample.RelativeTime);
Assert.Equal(0, theOnlySample.Depth);
}
public void WalkTheStackAndExpandSamplesProducesFullInformation()
{
// Main() calls A() calls B()
const double relativeTime = 0.1;
var main = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "Main",
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var a = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "A",
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: main.StackIndex);
var b = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "B",
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)3,
callerIndex: a.StackIndex);
var allSamples = new[] { main, a, b };
var leafs = new[] { new SpeedScopeStackSourceWriter.Sample(b.StackIndex, -1, b.RelativeTime, b.Metric, -1) };
var stackSource = new StackSourceStub(allSamples);
var frameNameToId = new Dictionary <string, int>();
var frameIdToSamples = SpeedScopeStackSourceWriter.WalkTheStackAndExpandSamples(stackSource, leafs, frameNameToId);
Assert.Equal(0, frameNameToId[main.Name]);
Assert.Equal(1, frameNameToId[a.Name]);
Assert.Equal(2, frameNameToId[b.Name]);
Assert.All(frameIdToSamples.Select(pair => pair.Value), samples => Assert.Equal(relativeTime, samples.Single().RelativeTime));
Assert.Equal(0, frameIdToSamples[0].Single().Depth);
Assert.Equal(1, frameIdToSamples[1].Single().Depth);
Assert.Equal(2, frameIdToSamples[2].Single().Depth);
}
