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[Bridges] add tests for deleting variable in bridged objective #2156

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May 1, 2023
Merged

[Bridges] add tests for deleting variable in bridged objective #2156

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b2c598e
[Bridges] add tests for deleting variable in bridged objective
odow Apr 25, 2023
5cc247e
Update test/Bridges/Constraint/quad_to_soc.jl
odow Apr 26, 2023
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47 changes: 47 additions & 0 deletions test/Bridges/Constraint/quad_to_soc.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,53 @@ function test_copy_to_start()
@test MOI.get(dest, MOI.VariablePrimalStart(), index_map[x]) == -1.0
end

function test_deletion_of_variable_in_bridged_constraint()
inner = MOI.Utilities.Model{Float64}()
model = MOI.Bridges.Constraint.QuadtoSOC{Float64}(inner)
x = MOI.add_variables(model, 2)
MOI.set(model, MOI.VariableName(), x, ["x", "y"])
f = 1.0 * x[1] * x[1] + 1.0 * x[2] * x[2]
c = MOI.add_constraint(model, f, MOI.LessThan(1.0))
MOI.delete(model, x[1])
@test MOI.get(model, MOI.ConstraintFunction(), c) ≈ 1.0 * x[2] * x[2]
return
end

MOI.Utilities.@model(
Model2153,
(),
(MOI.EqualTo,),
(MOI.RotatedSecondOrderCone,),
(),
(),
(MOI.ScalarAffineFunction,),
(MOI.VectorOfVariables,),
(),
)

function MOI.supports(
::Model2153{T},
::MOI.ObjectiveFunction{MOI.ScalarQuadraticFunction{T}},
) where {T}
return false
end

function test_deletion_of_variable_in_bridged_slacked_objective()
model = MOI.Bridges.full_bridge_optimizer(Model2153{Float64}(), Float64)
MOI.Bridges.add_bridge(
model,
MOI.Bridges.Constraint.QuadtoSOCBridge{Float64},
)
x = MOI.add_variables(model, 2)
MOI.set(model, MOI.VariableName(), x, ["x", "y"])
f = 1.0 * x[1] * x[1] + 1.0 * x[2] * x[2]
MOI.set(model, MOI.ObjectiveSense(), MOI.MIN_SENSE)
MOI.set(model, MOI.ObjectiveFunction{typeof(f)}(), f)
MOI.delete(model, x[1])
@test MOI.get(model, MOI.ObjectiveFunction{typeof(f)}()) ≈ 1.0 * x[2] * x[2]
return
end

end # module

TestConstraintQuadToSOC.runtests()
13 changes: 13 additions & 0 deletions test/Bridges/Objective/slack.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,19 @@ function test_complex_objective()
return
end

function test_deletion_of_variable_in_slacked_objective()
inner = MOI.Utilities.Model{Float64}()
model = MOI.Bridges.Objective.Slack{Float64}(inner)
x = MOI.add_variables(model, 2)
MOI.set(model, MOI.VariableName(), x, ["x", "y"])
f = 1.0 * x[1] * x[1] + 1.0 * x[2] * x[2]
MOI.set(model, MOI.ObjectiveSense(), MOI.MIN_SENSE)
MOI.set(model, MOI.ObjectiveFunction{typeof(f)}(), f)
MOI.delete(model, x[1])
@test MOI.get(model, MOI.ObjectiveFunction{typeof(f)}()) ≈ 1.0 * x[2] * x[2]
return
end

end # module

TestObjectiveSlack.runtests()