From 98de31e836a04ccc8f5f9acd90b9ba0803a24ab5 Mon Sep 17 00:00:00 2001 From: Stavros Aronis Date: Fri, 18 Jun 2010 03:44:25 +0300 Subject: Test suites for Dialyzer This is a transcription of most of the cvs.srv.it.uu.se:/hipe repository dialyzer_tests into test suites that use the test server framework. See README for information on how to use the included scripts for modifications and updates. When testing Dialyzer it's important that several OTP modules are included in the plt. The suites takes care of that too. --- .../test/opaque_tests_SUITE_data/src/inf_loop1.erl | 172 +++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 lib/dialyzer/test/opaque_tests_SUITE_data/src/inf_loop1.erl (limited to 'lib/dialyzer/test/opaque_tests_SUITE_data/src/inf_loop1.erl') diff --git a/lib/dialyzer/test/opaque_tests_SUITE_data/src/inf_loop1.erl b/lib/dialyzer/test/opaque_tests_SUITE_data/src/inf_loop1.erl new file mode 100644 index 0000000000..0dff16cf14 --- /dev/null +++ b/lib/dialyzer/test/opaque_tests_SUITE_data/src/inf_loop1.erl @@ -0,0 +1,172 @@ +%% -*- erlang-indent-level: 2 -*- +%%---------------------------------------------------------------------------- +%% Non-sensical (i.e., stripped-down) program that sends the analysis +%% into an infinite loop. The #we.es field was originally a gb_tree() +%% but the programmer declared it as an array in order to change it to +%% that data type instead. In the file, there are two calls to function +%% gb_trees:get/2 which seem to be the ones responsible for sending the +%% analysis into an infinite loop. Currently, these calls are marked and +%% have been changed to gbee_trees:get/2 in order to be able to see that +%% the analysis works if these two calls are taken out of the picture. +%%---------------------------------------------------------------------------- +-module(inf_loop1). + +-export([command/1]). + +-record(we, {id, + es = array:new() :: array(), + vp, + mirror = none}). +-record(edge, {vs,ve,a = none,b = none,lf,rf,ltpr,ltsu,rtpr,rtsu}). + +command(St) -> + State = drag_mode(offset_region), + SetupSt = wings_sel_conv:more(St), + Tvs = wings_sel:fold(fun(Faces, #we{id = Id} = We, Acc) -> + FaceRegions = wings_sel:face_regions(Faces, We), + {AllVs0,VsData} = + collect_offset_regions_data(FaceRegions, We, [], []), + AllVs = ordsets:from_list(AllVs0), + [{Id,{AllVs,offset_regions_fun(VsData, State)}}|Acc] + end, + [], + SetupSt), + wings_drag:setup(Tvs, 42, [], St). + +drag_mode(Type) -> + {Mode,Norm} = wings_pref:get_value(Type, {average,loop}), + {Type,Mode,Norm}. + +collect_offset_regions_data([Faces|Regions], We, AllVs, VsData) -> + {FaceNormTab,OuterEdges,RegVs} = + some_fake_module:faces_data_0(Faces, We, [], [], []), + {LoopNorm,LoopVsData,LoopVs} = + offset_regions_loop_data(OuterEdges, Faces, We, FaceNormTab), + Vs = RegVs -- LoopVs, + RegVsData = vertex_normals(Vs, FaceNormTab, We, LoopVsData), + collect_offset_regions_data(Regions, We, RegVs ++ AllVs, + [{LoopNorm,RegVsData}|VsData]); +collect_offset_regions_data([], _, AllVs, VsData) -> + {AllVs,VsData}. + +offset_regions_loop_data(Edges, Faces, We, FNtab) -> + EdgeSet = gb_sets:from_list(Edges), + offset_loop_data_0(EdgeSet, Faces, We, FNtab, [], [], []). + +offset_loop_data_0(EdgeSet0, Faces, We, FNtab, LNorms, VData0, Vs0) -> + case gb_sets:is_empty(EdgeSet0) of + false -> + {Edge,EdgeSet1} = gb_sets:take_smallest(EdgeSet0), + {EdgeSet,VData,Links,LoopNorm,Vs} = + offset_loop_data_1(Edge, EdgeSet1, Faces, We, FNtab, VData0, Vs0), + offset_loop_data_0(EdgeSet, Faces, We, FNtab, + [{Links,LoopNorm}|LNorms], VData, Vs); + true -> + AvgLoopNorm = average_loop_norm(LNorms), + {AvgLoopNorm,VData0,Vs0} + end. + +offset_loop_data_1(Edge, EdgeSet, _Faces, + #we{es = Etab, vp = Vtab} = We, FNtab, VData, Vs) -> + #edge{vs = Va, ve = Vb, lf = Lf, ltsu = NextLeft} = gb_trees:get(Edge, Etab), + VposA = gb_trees:get(Va, Vtab), + VposB = gb_trees:get(Vb, Vtab), + VDir = e3d_vec:sub(VposB, VposA), + FNorm = wings_face:normal(Lf, We), + EdgeData = gb_trees:get(NextLeft, Etab), + offset_loop_data_2(NextLeft, EdgeData, Va, VposA, Lf, Edge, We, FNtab, + EdgeSet, VDir, [], [FNorm], VData, [], Vs, 0). + +offset_loop_data_2(CurE, #edge{vs = Va, ve = Vb, lf = PrevFace, + rtsu = NextEdge, ltsu = IfCurIsMember}, + Vb, VposB, PrevFace, LastE, + #we{mirror = M} = We, + FNtab, EdgeSet0, VDir, EDir0, VNorms0, VData0, VPs0, Vs0, + Links) -> + Mirror = M == PrevFace, + offset_loop_is_member(Mirror, Vb, Va, VposB, CurE, IfCurIsMember, VNorms0, + NextEdge, EdgeSet0, VDir, EDir0, FNtab, PrevFace, + LastE, We, VData0, VPs0, Vs0, Links). + +offset_loop_is_member(Mirror, V1, V2, Vpos1, CurE, NextE, VNorms0, NEdge, + EdgeSet0, VDir, EDir0, FNtab, PFace, LastE, We, + VData0, VPs0, Vs0, Links) -> + #we{es = Etab, vp = Vtab} = We, + Vpos2 = gb_trees:get(V2, Vtab), + Dir = e3d_vec:sub(Vpos2, Vpos1), + NextVDir = e3d_vec:neg(Dir), + EdgeSet = gb_sets:delete(CurE, EdgeSet0), + EdgeData = gbee_trees:get(NextE, Etab), %% HERE + [FNorm|_] = VNorms0, + VData = offset_loop_data_3(Mirror, V1, Vpos1, VNorms0, NEdge, VDir, + Dir, EDir0, FNtab, We, VData0), + VPs = [Vpos1|VPs0], + Vs = [V1|Vs0], + offset_loop_data_2(NextE, EdgeData, V2, Vpos2, PFace, LastE, We, FNtab, + EdgeSet, NextVDir, [], [FNorm], VData, VPs, Vs, Links + 1). + +offset_loop_data_3(false, V, Vpos, VNorms0, NextEdge, + VDir, Dir, EDir0, FNtab, We, VData0) -> + #we{es = Etab} = We, + VNorm = e3d_vec:norm(e3d_vec:add(VNorms0)), + NV = wings_vertex:other(V, gbee_trees:get(NextEdge, Etab)), %% HERE + ANorm = vertex_normal(NV, FNtab, We), + EDir = some_fake_module:average_edge_dir(VNorm, VDir, Dir, EDir0), + AvgDir = some_fake_module:evaluate_vdata(VDir, Dir, VNorm), + ScaledDir = some_fake_module:along_edge_scale_factor(VDir, Dir, EDir, ANorm), + [{V,{Vpos,AvgDir,EDir,ScaledDir}}|VData0]. + +average_loop_norm([{_,LNorms}]) -> + e3d_vec:norm(LNorms); +average_loop_norm([{LinksA,LNormA},{LinksB,LNormB}]) -> + case LinksA < LinksB of + true -> + e3d_vec:norm(e3d_vec:add(e3d_vec:neg(LNormA), LNormB)); + false -> + e3d_vec:norm(e3d_vec:add(e3d_vec:neg(LNormB), LNormA)) + end; +average_loop_norm(LNorms) -> + LoopNorms = [Norm || {_,Norm} <- LNorms], + e3d_vec:norm(e3d_vec:neg(e3d_vec:add(LoopNorms))). + +vertex_normals([V|Vs], FaceNormTab, #we{vp = Vtab, mirror = M} = We, Acc) -> + FaceNorms = + wings_vertex:fold(fun(_, Face, _, A) when Face == M -> + [e3d_vec:neg(wings_face:normal(M, We))|A]; + (_, Face, _, A) -> + [gb_trees:get(Face, FaceNormTab)|A] + end, [], V, We), + VNorm = e3d_vec:norm(e3d_vec:add(FaceNorms)), + Vpos = gb_trees:get(V, Vtab), + vertex_normals(Vs, FaceNormTab, We, [{V,{Vpos,VNorm}}|Acc]); +vertex_normals([], _, _, Acc) -> + Acc. + +vertex_normal(V, FaceNormTab, #we{mirror = M} = We) -> + wings_vertex:fold(fun(_, Face, _, A) when Face == M -> + [e3d_vec:neg(wings_face:normal(Face, We))|A]; + (_, Face, _, A) -> + N = gb_trees:get(Face, FaceNormTab), + case e3d_vec:is_zero(N) of + true -> A; + false -> [N|A] + end + end, [], V, We). + +offset_regions_fun(OffsetData, {_,Solution,_} = State) -> + fun(new_mode_data, {NewState,_}) -> + offset_regions_fun(OffsetData, NewState); + ([Dist,_,_,Bump|_], A) -> + lists:foldl(fun({LoopNormal,VsData}, VsAcc0) -> + lists:foldl(fun({V,{Vpos0,VNorm}}, VsAcc) -> + [{V,Vpos0}|VsAcc]; + ({V,{Vpos0,Dir,EDir,ScaledEDir}}, VsAcc) -> + Vec = case Solution of + average -> Dir; + along_edges -> EDir; + scaled -> ScaledEDir + end, + [{V,Vpos0}|VsAcc] + end, VsAcc0, VsData) + end, A, OffsetData) + end. -- cgit v1.2.3