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Add test for issue #187 #191

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Mar 2, 2022
Merged

Add test for issue #187 #191

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aff0890
Add test for issue #187
odow Mar 2, 2022
6cbfd85
Update MOI_wrapper.jl
odow Mar 2, 2022
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37 changes: 37 additions & 0 deletions test/MOI_wrapper.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,43 @@ function test_PrimalStatus()
return
end

function test_issue_187()
if Sys.iswindows() || Sys.islinux()
# This test segfaults on Windows and Linux
@test_broken 1 == 2
return
end
model = MOI.Utilities.CachingOptimizer(
MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}()),
MOI.instantiate(Cbc.Optimizer; with_bridge_type = Float64),
)
MOI.set(model, MOI.Silent(), true)
x = MOI.add_variables(model, 2)
MOI.add_constraint.(model, x, MOI.ZeroOne())
MOI.set.(model, MOI.VariablePrimalStart(), x, 0.0)
y = MOI.add_variables(model, 2)
MOI.add_constraint.(model, y, MOI.ZeroOne())

MOI.add_constraint(
model,
MOI.Utilities.operate(vcat, Float64, x[1], 1.0 * y[1]),
MOI.Indicator{MOI.ACTIVATE_ON_ONE}(MOI.EqualTo(1.0)),
)
MOI.add_constraint(
model,
MOI.Utilities.operate(vcat, Float64, x[2], 1.0 * y[1]),
MOI.Indicator{MOI.ACTIVATE_ON_ONE}(MOI.EqualTo(0.0)),
)
MOI.set.(model, MOI.VariablePrimalStart(), y, 0.0)
MOI.set(model, MOI.ObjectiveSense(), MOI.MAX_SENSE)
f = MOI.ScalarAffineFunction(MOI.ScalarAffineTerm.(1.0, x), 0.0)
MOI.set(model, MOI.ObjectiveFunction{typeof(f)}(), f)
MOI.optimize!(model)
@test MOI.get(model, MOI.TerminationStatus()) == MOI.OPTIMAL
@test ≈(sum(MOI.get(model, MOI.VariablePrimal(), x)), 1.0, atol = 1e-4)
return
end

# The test_linear_SOS1_integration test with the additional requirement that all
# variables are integer.
function test_SOS1()
Expand Down