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tests: add unit test for add_constraint #1191

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30 changes: 30 additions & 0 deletions src/Test/UnitTests/constraints.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -361,3 +361,33 @@ function solve_zero_one_with_bounds_3(model::MOI.ModelLike, config::TestConfig)
end
end
unittests["solve_zero_one_with_bounds_3"] = solve_zero_one_with_bounds_3

# Taken from https://github.com/jump-dev/Ipopt.jl/pull/230/files#
"""
add_constraint_nan(model::MOI.ModelLike, config::TestConfig)

Add a NaN constraint. This should throw a proper error message.
"""
function add_constraint_checks(model::MOI.ModelLike, config::TestConfig)
@testset "first isnan check" begin
MOI.empty!(model)
x = MOI.add_variable(model)
@test_throws ErrorException MOI.add_constraint(model, x, MOI.EqualTo(NaN))
end

@testset "first has_lower_bound check" begin
MOI.empty!(model)
x = MOI.add_variable(model)
MOI.add_constraint(model, x, MOI.GreaterThan(5.0))
@test_throws MOI.LowerBoundAlreadySet MOI.add_constraint(model, x, MOI.EqualTo(5.0))
end

@testset "first has_upper_bound check" begin
MOI.empty!(model)
x = MOI.add_variable(model)
MOI.add_constraint(model, x, MOI.LessThan(5.0))
@test_throws MOI.UpperBoundAlreadySet MOI.add_constraint(model, x, MOI.EqualTo(5.0))
end
end
unittests["add_constraint_checks"] = add_constraint_checks

5 changes: 5 additions & 0 deletions test/Test/unit.jl
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Expand Up @@ -45,6 +45,7 @@ end
"solve_zero_one_with_bounds_1",
"solve_zero_one_with_bounds_2",
"solve_zero_one_with_bounds_3",
"add_constraint_checks",
"solve_unbounded_model",
"solve_single_variable_dual_min",
"solve_single_variable_dual_max",
Expand Down Expand Up @@ -337,6 +338,10 @@ end
MOIT.solve_zero_one_with_bounds_3(mock, config)
end

@testset "add_constraint_checks" begin
MOIT.add_constraint_checks(mock, config)
end

@testset "solve_unbounded_model" begin
MOIU.set_mock_optimize!(mock,
(mock::MOIU.MockOptimizer) -> begin
Expand Down