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Fix qcp1 and add ConstraintPrimal to qcp tests #312

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Apr 17, 2018
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Fix qcp1 and add ConstraintPrimal to qcp tests #312

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23 changes: 18 additions & 5 deletions src/Test/contquadratic.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -261,10 +261,12 @@ function qcp1test(model::MOI.ModelLike, config::TestConfig)
rtol = config.rtol
@testset "qcp1" begin
# quadratic constraint
# Max x + y
# st - x + y >= 0 (c1[1])
# x + y >= 0 (c1[2])
# 0.5x^2 + y <= 2 (c2)
# Max x + y
# st -x + y >= 0 (c1[1])
# x + y >= 0 (c1[2])
# x² + y <= 2 (c2)
# Optimal solution
# x = 1/2, y = 7/4

@test MOI.supports(model, MOI.ObjectiveFunction{MOI.ScalarAffineFunction{Float64}}())
@test MOI.supportsconstraint(model, MOI.VectorAffineFunction{Float64}, MOI.Nonnegatives)
Expand All @@ -283,7 +285,7 @@ function qcp1test(model::MOI.ModelLike, config::TestConfig)
c1 = MOI.addconstraint!(model, MOI.VectorAffineFunction([1,1,2,2], [x,y,x,y], [-1.0,1.0,1.0,1.0], [0.0,0.0]), MOI.Nonnegatives(2))
@test MOI.get(model, MOI.NumberOfConstraints{MOI.VectorAffineFunction{Float64}, MOI.Nonnegatives}()) == 1

c2f = MOI.ScalarQuadraticFunction([y],[1.0],[x],[x],[1.0], 0.0)
c2f = MOI.ScalarQuadraticFunction([y],[1.0],[x],[x],[2.0], 0.0)
@test MOI.canaddconstraint(model, typeof(c2f), MOI.LessThan{Float64})
c2 = MOI.addconstraint!(model, c2f, MOI.LessThan(2.0))
@test MOI.get(model, MOI.NumberOfConstraints{MOI.ScalarQuadraticFunction{Float64}, MOI.LessThan{Float64}}()) == 1
Expand Down Expand Up @@ -313,6 +315,11 @@ function qcp1test(model::MOI.ModelLike, config::TestConfig)

@test MOI.canget(model, MOI.VariablePrimal(), MOI.VariableIndex)
@test MOI.get(model, MOI.VariablePrimal(), [x,y]) ≈ [0.5,1.75] atol=atol rtol=rtol

@test MOI.canget(model, MOI.ConstraintPrimal(), typeof(c1))
@test MOI.get(model, MOI.ConstraintPrimal(), c1) ≈ [5/4, 9/4] atol=atol rtol=rtol
@test MOI.canget(model, MOI.ConstraintPrimal(), typeof(c2))
@test MOI.get(model, MOI.ConstraintPrimal(), c2) ≈ 2 atol=atol rtol=rtol
end

# try delete quadratic constraint and go back to linear
Expand Down Expand Up @@ -386,6 +393,9 @@ function qcp2test(model::MOI.ModelLike, config::TestConfig)
@test MOI.canget(model, MOI.VariablePrimal(), MOI.VariableIndex)
@test MOI.get(model, MOI.VariablePrimal(), x) ≈ sqrt(2) atol=atol rtol=rtol

@test MOI.canget(model, MOI.ConstraintPrimal(), typeof(c))
@test MOI.get(model, MOI.ConstraintPrimal(), c) ≈ 2 atol=atol rtol=rtol

# TODO - duals
# @test MOI.canget(model, MOI.ConstraintDual(), typeof(c))
# @test MOI.get(model, MOI.ConstraintDual(), c) ≈ 0.5/sqrt(2) atol=atol rtol=rtol
Expand Down Expand Up @@ -446,6 +456,9 @@ function qcp3test(model::MOI.ModelLike, config::TestConfig)
@test MOI.canget(model, MOI.VariablePrimal(), MOI.VariableIndex)
@test MOI.get(model, MOI.VariablePrimal(), x) ≈ sqrt(2) atol=atol rtol=rtol

@test MOI.canget(model, MOI.ConstraintPrimal(), typeof(c))
@test MOI.get(model, MOI.ConstraintPrimal(), c) ≈ 2 atol=atol rtol=rtol

# TODO - duals
# @test MOI.canget(model, MOI.ConstraintDual(), typeof(c))
# @test MOI.get(model, MOI.ConstraintDual(), c) ≈ -0.5/sqrt(2) atol=atol rtol=rtol
Expand Down