Merge pull request #347 from timholy/teh/nightly

Fix tests on Julia nightly

src/invalidations.jl

@@ -168,6 +168,16 @@ end
 
 Base.isempty(methinvs::MethodInvalidations) = isempty(methinvs.mt_backedges) && isempty(methinvs.backedges)  # ignore mt_cache
 
+function Base.:(==)(methinvs1::MethodInvalidations, methinvs2::MethodInvalidations)
+    methinvs1.method == methinvs2.method || return false
+    methinvs1.reason == methinvs2.reason || return false
+    methinvs1.mt_backedges == methinvs2.mt_backedges || return false
+    methinvs1.backedges == methinvs2.backedges || return false
+    methinvs1.mt_cache == methinvs2.mt_cache || return false
+    methinvs1.mt_disable == methinvs2.mt_disable || return false
+    return true
+end
+
 countchildren(sigtree::Pair{<:Any,Union{InstanceNode,MethodInstance}}) = countchildren(sigtree.second)
 countchildren(::MethodInstance) = 1
 

test/snoopi_deep.jl

@@ -879,7 +879,7 @@ end
     @test :build_stale ∈ stalenames
     @test :use_stale ∈ stalenames
     trees = invalidation_trees(invalidations)
-    tree = trees[findfirst(tree -> !isempty(tree.backedges), trees)]
+    tree = length(trees) == 1 ? only(trees) : trees[findfirst(tree -> !isempty(tree.backedges), trees)]
     @test tree.method == which(StaleA.stale, (String,))   # defined in StaleC
     @test all(be -> Core.MethodInstance(be).def == which(StaleA.stale, (Any,)), tree.backedges)
     if Base.VERSION > v"1.8.0-DEV.368"
@@ -913,20 +913,19 @@ end
         @test sig == mi_stale
         @test convert(Core.MethodInstance, root) == Core.MethodInstance(only(hits)) == methodinstance(StaleB.useA, ())
         # What happens when we can't find it in the tree?
-        pipe = Pipe()   # suppress warning
         if any(isequal("verify_methods"), invalidations)
             # The 1.9+ format
             invscopy = copy(invalidations)
             idx = findlast(==("verify_methods"), invscopy)
             invscopy[idx+1] = 22
-            redirect_stderr(pipe) do
+            redirect_stderr(devnull) do
                 broken_trees = invalidation_trees(invscopy)
                 @test isempty(precompile_blockers(broken_trees, tinf))
             end
         else
             # The older format
             idx = findfirst(isequal("jl_method_table_insert"), invalidations)
-            redirect_stdout(pipe) do
+            redirect_stdout(devnull) do
                 broken_trees = invalidation_trees(invalidations[idx+1:end])
                 @test isempty(precompile_blockers(broken_trees, tinf))
             end
@@ -958,10 +957,19 @@ end
 
 if Base.VERSION >= v"1.7"
     @testset "JET integration" begin
-        f(c) = sum(c[1])
-        c = Any[Any[1,2,3]]
-        tinf = @snoopi_deep f(c)
-        rpt = SnoopCompile.JET.@report_call f(c)
+        function mysum(c)   # vendor a simple version of `sum`
+            isempty(c) && return zero(eltype(c))
+            s = first(c)
+            for x in Iterators.drop(c, 1)
+                s += x
+            end
+            return s
+        end
+        call_mysum(cc) = mysum(cc[1])
+
+        cc = Any[Any[1,2,3]]
+        tinf = @snoopi_deep call_mysum(cc)
+        rpt = SnoopCompile.JET.@report_call call_mysum(cc)
         @test isempty(SnoopCompile.JET.get_reports(rpt))
         itrigs = inference_triggers(tinf)
         irpts = report_callees(itrigs)

test/snoopr.jl

@@ -102,15 +102,18 @@ end
     # These next are identical to the above
     @test methinvs.method == m
     @test methinvs.reason === :inserting
-    root = only(methinvs.backedges)
-    @test root.mi == mi3
-    @test SnoopCompile.getroot(root) === root
-    @test root.depth == 0
-    child = only(root.children)
-    @test child.mi == mi1
-    @test SnoopCompile.getroot(child) === root
-    @test child.depth == 1
-    if isempty(child.children)
+    have_backedges = !isempty(methinvs.backedges)
+    if have_backedges
+        root = only(methinvs.backedges)
+        @test root.mi == mi3
+        @test SnoopCompile.getroot(root) === root
+        @test root.depth == 0
+        child = only(root.children)
+        @test child.mi == mi1
+        @test SnoopCompile.getroot(child) === root
+        @test child.depth == 1
+    end
+    if isempty(methinvs.backedges) || isempty(child.children)
         # the mt_backedges got invalidated first
         sig, root = only(methinvs.mt_backedges)
         @test sig === Tuple{typeof(Main.SnooprTests.f), Any}
@@ -132,8 +135,13 @@ end
     print(io, methinvs)
     str = String(take!(io))
     @test startswith(str, "inserting f(::Float32)")
-    @test occursin("backedges: 1: superseding f(::AbstractFloat)", str)
-    @test occursin("with MethodInstance for $(prefix)f(::AbstractFloat) ($targetdepth children)", str)
+    if !isempty(methinvs.backedges)
+        @test occursin("backedges: 1: superseding f(::AbstractFloat)", str)
+        @test occursin("with MethodInstance for $(prefix)f(::AbstractFloat) ($targetdepth children)", str)
+    else
+        @test occursin("signature Tuple{typeof($(prefix)f), Any} triggered", str)
+        @test occursin("for $(prefix)applyf(::Vector{Any}) ($targetdepth children)", str)
+    end
 
     show(io, root; minchildren=1)
     str = String(take!(io))
@@ -153,10 +161,15 @@ end
                                           "MethodInstance for $(prefix)applyf(::$(Vector{Any})) (1 children)")
     @test lines[2] == "⋮"
 
-    ftrees = filtermod(@__MODULE__, trees)
-    ftree = only(ftrees)
-    @test ftree.backedges == methinvs.backedges
-    @test isempty(ftree.mt_backedges)
+    if have_backedges
+        ftrees = filtermod(@__MODULE__, trees)
+        ftree = only(ftrees)
+        @test ftree.backedges == methinvs.backedges
+        @test isempty(ftree.mt_backedges)
+    else
+        ftrees = filtermod(SnooprTests, trees)
+        @test ftrees == trees
+    end
 
     cai = Any[1]
     cas = Any[:sym]
@@ -201,7 +214,7 @@ end
     @test occursin("Invalidations %", str)
 
     trees = invalidation_trees(invs)
-    @test length(trees) == 3
+    @test length(trees) >= 3
     io = IOBuffer()
     show(io, trees)
     str = String(take!(io))