Closes #5: Testing negative weights and profits.

rafaelmartinelli · May 27, 2021 · 4885965 · 4885965
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commit 4885965
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/src/Data.jl b/src/Data.jl
@@ -31,9 +31,9 @@ function checkConsistency(items::Vector{KnapItem})
     negative = false
     for item in items
         large = large || (abs(item.weight) >= limit)
-        negative = negative || (item.weight < 0)
+        negative = negative || (item.weight < 0) || (item.profit < 0)
     end
 
     if large @warn "Large numbers may result in an overflow, leading to an undefined behavior." end
-    if negative @warn "Negative weights are not allowed, leading to an undefined behavior." end
+    if negative @warn "Negative weights or profits are not allowed, leading to an undefined behavior." end
 end
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -36,8 +36,9 @@ end
 end
 
 @testset "DataNegative" begin
-    msg = "Negative weights are not allowed, leading to an undefined behavior."
+    msg = "Negative weights or profits are not allowed, leading to an undefined behavior."
     @test_logs (:warn, msg) data = KnapData(1, [ -1 ], [ 1 ])
+    @test_logs (:warn, msg) data = KnapData(1, [ 1 ], [ -1 ])
 end
 
 @testset "DataItEmpty" begin