[Bridges] fix supports_constraint for IndicatorSOS1Bridge (#2507)

Author: odow

src/Bridges/Constraint/bridges/indicator_sos.jl

@@ -60,10 +60,10 @@ function bridge_constraint(
 end
 
 function MOI.supports_constraint(
-    ::Type{<:IndicatorSOS1Bridge},
-    ::Type{<:MOI.AbstractVectorFunction},
+    ::Type{<:IndicatorSOS1Bridge{T}},
+    ::Type{MOI.VectorAffineFunction{T}},
     ::Type{<:MOI.Indicator{MOI.ACTIVATE_ON_ONE,<:MOI.AbstractScalarSet}},
-)
+) where {T}
     return true
 end
 
@@ -113,7 +113,7 @@ end
 
 function concrete_bridge_type(
     ::Type{<:IndicatorSOS1Bridge{T}},
-    ::Type{<:MOI.AbstractVectorFunction},
+    ::Type{MOI.VectorAffineFunction{T}},
     ::Type{MOI.Indicator{MOI.ACTIVATE_ON_ONE,S}},
 ) where {T,S}
     return IndicatorSOS1Bridge{T,S}

test/Bridges/Constraint/indicator_sos.jl

@@ -332,6 +332,20 @@ function test_runtests()
         [y, z] in SOS1([0.4, 0.6])
         """,
     )
+    # Test that the bridge does nothing for VectorQuadraticFunctions
+    MOI.Bridges.runtests(
+        MOI.Bridges.Constraint.IndicatorSOS1Bridge,
+        """
+        variables: x, z
+        [z, 2.0 * x * x] in Indicator{ACTIVATE_ON_ONE}(LessThan(2.0))
+        z in ZeroOne()
+        """,
+        """
+        variables: x, z
+        [z, 2.0 * x * x] in Indicator{ACTIVATE_ON_ONE}(LessThan(2.0))
+        z in ZeroOne()
+        """,
+    )
     return
 end