test error handling

Author: m-fila

test/test-c-interface.jl

@@ -2,6 +2,7 @@
 
 include("common.jl")
 using JetReconstruction.C_JetReconstruction
+using Logging
 
 # helper function make generic field-wise comparison
 function struct_approx_equal(x::T, y::T) where {T}
@@ -166,3 +167,35 @@ end
         end
     end
 end
+
+@testset "C-interface error handling" begin
+    test_cone_size = 0.4
+    test_recombination = RecombinationScheme.EScheme
+    test_alg = JetAlgorithm.CA
+    test_strategy = RecoStrategy.Best
+
+    jets_len = Csize_t(2)
+    jets_ptr = Ptr{PseudoJet}(Libc.malloc(jets_len * sizeof(PseudoJet)))
+    clustersequence_ptr = Ptr{C_JetReconstruction.C_ClusterSequence{PseudoJet}}(Libc.malloc(sizeof(C_JetReconstruction.C_ClusterSequence{PseudoJet})))
+    ret = C_JetReconstruction.jetreconstruction_PseudoJet_init(jets_ptr, 0.0, 1.0, 2.0, 3.0,
+                                                               0) # incorrect cluster history index
+    @test C_JetReconstruction.StatusCode.T(ret) == C_JetReconstruction.StatusCode.OK
+    ret = C_JetReconstruction.jetreconstruction_PseudoJet_init(jets_ptr + sizeof(PseudoJet),
+                                                               1.0, 2.0, 3.0, 4.0,
+                                                               0) # incorrect cluster history index
+    @test C_JetReconstruction.StatusCode.T(ret) == C_JetReconstruction.StatusCode.OK
+    # running jet_reconstruct with input jets with incorrect cluster history indices should throw an exception
+    # which should translate to status code other than ok and log error
+    test_logger = TestLogger()
+    with_logger(test_logger) do
+        ret = C_JetReconstruction.jetreconstruction_jet_reconstruct(jets_ptr,
+                                                                    jets_len,
+                                                                    test_alg,
+                                                                    test_cone_size,
+                                                                    test_strategy,
+                                                                    test_recombination,
+                                                                    clustersequence_ptr)
+    end
+    @test test_logger.logs[1].level == Logging.Error
+    @test C_JetReconstruction.StatusCode.T(ret) != C_JetReconstruction.StatusCode.OK
+end