diff --git a/src/Test/test_variable.jl b/src/Test/test_variable.jl
index 8907d65322..43bcc236e7 100644
--- a/src/Test/test_variable.jl
+++ b/src/Test/test_variable.jl
@@ -440,3 +440,24 @@ function test_model_VariablePrimalStart(model::MOI.ModelLike, ::Config)
     @test MOI.get(model, MOI.VariablePrimalStart(), x) === nothing
     return
 end
+
+"""
+    test_add_constrained_variables(model::MOI.ModelLike, config::Config)
+
+Test vector method of `add_constrained_variables`.
+"""
+function test_add_constrained_variables_vector(
+    model::MOI.ModelLike,
+    ::Config{T},
+) where {T}
+    @requires MOI.supports_add_constrained_variable(model, MOI.GreaterThan{T})
+    @test MOI.get(model, MOI.NumberOfVariables()) == 0
+    sets = [MOI.GreaterThan(zero(T)), MOI.GreaterThan(one(T))]
+    v, cv = MOI.add_constrained_variables(model, sets)
+    @test MOI.get(model, MOI.NumberOfVariables()) == 2
+    @test length(v) == 2
+    @test length(cv) == 2
+    @test MOI.get(model, MOI.ConstraintSet(), cv[1]) == sets[1]
+    @test MOI.get(model, MOI.ConstraintSet(), cv[2]) == sets[2]
+    return
+end
diff --git a/src/variables.jl b/src/variables.jl
index 44795e518d..a14981b48b 100644
--- a/src/variables.jl
+++ b/src/variables.jl
@@ -154,8 +154,10 @@ supports_add_constrained_variables(::ModelLike, ::Type{Reals}) = true
     add_constrained_variables(
         model::ModelLike,
         sets::AbstractVector{<:AbstractScalarSet}
-    )::Tuple{Vector{MOI.VariableIndex},
-             Vector{MOI.ConstraintIndex{MOI.SingleVariable, eltype(sets)}}}
+    )::Tuple{
+        Vector{MOI.VariableIndex},
+        Vector{MOI.ConstraintIndex{MOI.SingleVariable,eltype(sets)}},
+    }
 
 Add to `model` scalar variables constrained to belong to `sets`, returning the
 indices of the variables created and the indices of the constraints constraining
@@ -184,9 +186,11 @@ end
 """
     add_constrained_variables(
         model::ModelLike,
-        set::AbstractVectorSet
-    )::Tuple{Vector{MOI.VariableIndex},
-             MOI.ConstraintIndex{MOI.VectorOfVariables, typeof(set)}}
+        set::AbstractVectorSet,
+    )::Tuple{
+        Vector{MOI.VariableIndex},
+        MOI.ConstraintIndex{MOI.VectorOfVariables,typeof(set)},
+    }
 
 Add to `model` a vector of variables constrained to belong to `set`, returning
 the indices of the variables created and the index of the constraint