increase coverage

Author: dlfivefifty

src/inftoeplitz.jl

@@ -119,3 +119,5 @@ MemoryLayout(::Type{<:SymTriPertToeplitz}) = PertTridiagonalToeplitzLayout()
 
 sublayout(::ApplyBandedLayout, ::Type{<:Tuple{KR,Integer}}) where {KR<:InfAxes} =
     sublayout(PaddedColumns{UnknownLayout}(), Tuple{KR})
+sublayout(::ApplyBandedLayout, ::Type{<:Tuple{Integer,JR}}) where {JR<:InfAxes} =
+    sublayout(PaddedColumns{UnknownLayout}(), Tuple{JR})

test/test_infbanded.jl

@@ -1,6 +1,8 @@
 using ArrayLayouts, InfiniteArrays, BandedMatrices, FillArrays, LazyArrays, Test
 import BandedMatrices: _BandedMatrix, bandeddata
-import InfiniteArrays: TridiagonalToeplitzLayout, BidiagonalToeplitzLayout, TriPertToeplitz, SymTriPertToeplitz, TriToeplitz, ConstRows, SymTriPertToeplitz, AdjTriPertToeplitz, subdiagonalconstant, diagonalconstant, supdiagonalconstant
+import InfiniteArrays: TridiagonalToeplitzLayout, BidiagonalToeplitzLayout, TriPertToeplitz, SymTriPertToeplitz,
+                        TriToeplitz, ConstRows, SymTriPertToeplitz, AdjTriPertToeplitz, subdiagonalconstant,
+                        diagonalconstant, supdiagonalconstant, PertTridiagonalToeplitzLayout
 using Base: oneto
 using LazyArrays: simplifiable, ApplyLayout, BroadcastBandedLayout, islazy
 
@@ -351,4 +353,22 @@ const InfBandCartesianIndices = InfiniteArraysBandedMatricesExt.InfBandCartesian
         U = UpperTriangular(Tridiagonal(Fill(1,∞), Fill(2,∞), Fill(3,∞)))
         @test MemoryLayout(U) isa BidiagonalToeplitzLayout
     end
+
+    @testset "padded column" begin
+        A = BandedMatrix(1 => Fill(2im,∞), 2 => Fill(-1,∞), 3 => Fill(2,∞), -2 => Fill(-4,∞), -3 => Fill(-2im,∞))
+        @test MemoryLayout(A[:,5]) isa LazyArrays.PaddedColumns
+        @test MemoryLayout(A[5,:]) isa LazyArrays.PaddedColumns
+
+        @test MemoryLayout((A*A)[:,5]) isa LazyArrays.PaddedColumns
+        @test MemoryLayout((A*A)[5,:]) isa LazyArrays.PaddedColumns
+
+        V = Vcat(Zeros(1,∞), A)
+        @test MemoryLayout(V[:,5]) isa LazyArrays.PaddedColumns
+        @test MemoryLayout(V[5,:]) isa LazyArrays.PaddedColumns
+    end 
+
+    @testset "Default broadcasted" begin
+        A = BandedMatrix(1 => Fill(2im,∞), 2 => Fill(-1,∞), 3 => Fill(2,∞), -2 => Fill(-4,∞), -3 => Fill(-2im,∞))
+        @test copy(Base.broadcasted(BandedMatrices.BandedStyle(), exp,A))[1:10,1:10] == exp.(A[1:10,1:10])
+    end
 end