From b1bf5172955b940f6b3c9d027bd4a839c6486199 Mon Sep 17 00:00:00 2001
From: Francesc Verdugo <fverdugo@cimne.upc.edu>
Date: Thu, 29 Aug 2019 19:06:17 +0200
Subject: [PATCH] Assembler is not optional in FEOperators

---
 src/FESpaces/FEOperators.jl                                 | 4 ++--
 test/FESpacesTests/VectorValuedNonLinearFEOperatorsTests.jl | 5 +++++
 test/MultiFieldTests/MultiFEOperatorsTests.jl               | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/FESpaces/FEOperators.jl b/src/FESpaces/FEOperators.jl
index e891b2882..351fbf8a8 100644
--- a/src/FESpaces/FEOperators.jl
+++ b/src/FESpaces/FEOperators.jl
@@ -262,7 +262,7 @@ struct NonLinearFEOperator <:FEOperator
   testfesp::FESpaceLike
   trialfesp::FESpaceLike
   assem::AssemblerLike
-  terms::Tuple{<:FETerm}
+  terms::NTuple{N,<:FETerm} where N
 end
 
 function NonLinearFEOperator(
@@ -278,7 +278,7 @@ function NonLinearFEOperator(
   trialfesp::FESpaceLike,
   terms::Vararg{<:FETerm})
   assem = SparseMatrixAssembler(testfesp,trialfesp)
-  NonLinearFEOperator(testfesp,trialfesp,assem,terms...)
+  NonLinearFEOperator(testfesp,trialfesp,assem,terms)
 end
 
 function NonLinearFEOperator(
diff --git a/test/FESpacesTests/VectorValuedNonLinearFEOperatorsTests.jl b/test/FESpacesTests/VectorValuedNonLinearFEOperatorsTests.jl
index 6482a18ab..fd305e5e1 100644
--- a/test/FESpacesTests/VectorValuedNonLinearFEOperatorsTests.jl
+++ b/test/FESpacesTests/VectorValuedNonLinearFEOperatorsTests.jl
@@ -82,4 +82,9 @@ eh1 = sqrt(sum( integrate(h1(e),trian,quad) ))
 @test el2 < 1.e-8
 @test eh1 < 1.e-8
 
+
+# Further tests
+op = NonLinearFEOperator(V,U,t_Ω)
+op = NonLinearFEOperator(V,U,t_Ω,t_Ω)
+
 end # module
diff --git a/test/MultiFieldTests/MultiFEOperatorsTests.jl b/test/MultiFieldTests/MultiFEOperatorsTests.jl
index eb29121de..a0bae3c60 100644
--- a/test/MultiFieldTests/MultiFEOperatorsTests.jl
+++ b/test/MultiFieldTests/MultiFEOperatorsTests.jl
@@ -101,5 +101,6 @@ e2h1 = sqrt(sum( integrate(h1(e2),trian,quad) ))
 
 op = LinearFEOperator(a,b,V,U,assem,trian,quad)
 op = LinearFEOperator(V,U,t_Ω,t_Γ)
+op = LinearFEOperator(V,U,t_Ω)
 
 end