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Reset MockOptimizer result count in empty! #3127

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Merged
odow merged 2 commits into from
Oct 31, 2026
Merged

Reset MockOptimizer result count in empty! #3127

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5c3939b
Reset MockOptimizer result count in empty!
blegat Oct 30, 2026
63af5ed
Declare a result in the cached mock status test
blegat Oct 30, 2026
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1 change: 1 addition & 0 deletions src/Utilities/mockoptimizer.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -821,6 +821,7 @@ function MOI.empty!(mock::MockOptimizer)
empty!(mock.mock_constraint_attribute)
mock.optimize_called = false
mock.termination_status = MOI.OPTIMIZE_NOT_CALLED
mock.result_count = 0
mock.compute_conflict_called = false
mock.conflict_status = MOI.COMPUTE_CONFLICT_NOT_CALLED
empty!(mock.constraint_conflict_status)
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1 change: 1 addition & 0 deletions test/Utilities/test_cachingoptimizer.jl
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Expand Up @@ -757,6 +757,7 @@ function test_status_codes()
optimizer,
)
MOI.Utilities.attach_optimizer(model)
MOI.set(optimizer, MOI.ResultCount(), 1)
MOI.set(optimizer, MOI.TerminationStatus(), MOI.OPTIMAL)
MOI.set(optimizer, MOI.PrimalStatus(), MOI.FEASIBLE_POINT)
@test MOI.get(model, MOI.TerminationStatus()) == MOI.OPTIMAL
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16 changes: 16 additions & 0 deletions test/Utilities/test_mockoptimizer.jl
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Expand Up @@ -308,6 +308,22 @@ function test_empty_constructor()
return
end

function test_empty_result_count()
optimizer = MOIU.MockOptimizer(MOIU.Model{Float64}())
for result_count in (0, 1, 2)
MOI.add_variable(optimizer)
MOI.set(optimizer, MOI.ResultCount(), result_count)
MOI.empty!(optimizer)
@test MOI.is_empty(optimizer)
@test MOI.get(optimizer, MOI.ResultCount()) == 0
@test_throws(
MOI.ResultIndexBoundsError(MOI.ObjectiveValue(1), 0),
MOI.get(optimizer, MOI.ObjectiveValue(1)),
)
end
return
end

function test_delete_mock_variable()
model = MOI.Utilities.MockOptimizer(MOI.Utilities.Model{Float64}())
x = MOI.add_variables(model, 3)
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