Add tests

ITensor · Nov 13, 2024 · 634fcc6 · 634fcc6
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diff --git a/NDTensors/src/lib/BlockSparseArrays/test/test_basics.jl b/NDTensors/src/lib/BlockSparseArrays/test/test_basics.jl
@@ -866,6 +866,33 @@ using .NDTensorsTestUtils: devices_list, is_supported_eltype
     @test a1' * a2 ≈ Array(a1)' * Array(a2)
     @test dot(a1, a2) ≈ a1' * a2
   end
+  @testset "cat" begin
+    a1 = dev(BlockSparseArray{elt}([2, 3], [2, 3]))
+    a1[Block(2, 1)] = dev(randn(elt, size(@view(a1[Block(2, 1)]))))
+    a2 = dev(BlockSparseArray{elt}([2, 3], [2, 3]))
+    a2[Block(1, 2)] = dev(randn(elt, size(@view(a2[Block(1, 2)]))))
+
+    a_dest = cat(a1, a2; dims=1)
+    @test block_nstored(a_dest) == 2
+    @test blocklengths.(axes(a_dest)) == ([2, 3, 2, 3], [2, 3])
+    @test issetequal(block_stored_indices(a_dest), [Block(2, 1), Block(3, 2)])
+    @test a_dest[Block(2, 1)] == a1[Block(2, 1)]
+    @test a_dest[Block(3, 2)] == a2[Block(1, 2)]
+
+    a_dest = cat(a1, a2; dims=2)
+    @test block_nstored(a_dest) == 2
+    @test blocklengths.(axes(a_dest)) == ([2, 3], [2, 3, 2, 3])
+    @test issetequal(block_stored_indices(a_dest), [Block(2, 1), Block(1, 4)])
+    @test a_dest[Block(2, 1)] == a1[Block(2, 1)]
+    @test a_dest[Block(1, 4)] == a2[Block(1, 2)]
+
+    a_dest = cat(a1, a2; dims=(1, 2))
+    @test block_nstored(a_dest) == 2
+    @test blocklengths.(axes(a_dest)) == ([2, 3, 2, 3], [2, 3, 2, 3])
+    @test issetequal(block_stored_indices(a_dest), [Block(2, 1), Block(3, 4)])
+    @test a_dest[Block(2, 1)] == a1[Block(2, 1)]
+    @test a_dest[Block(3, 4)] == a2[Block(1, 2)]
+  end
   @testset "TensorAlgebra" begin
     a1 = dev(BlockSparseArray{elt}([2, 3], [2, 3]))
     a1[Block(1, 1)] = dev(randn(elt, size(@view(a1[Block(1, 1)]))))

diff --git a/NDTensors/src/lib/SparseArrayInterface/test/test_abstractsparsearray.jl b/NDTensors/src/lib/SparseArrayInterface/test/test_abstractsparsearray.jl
@@ -342,6 +342,38 @@ using Test: @test, @testset
   @test a_dest isa SparseArray{elt}
   @test SparseArrayInterface.nstored(a_dest) == 2
 
+  # cat
+  a1 = SparseArray{elt}(2, 3)
+  a1[1, 2] = 12
+  a1[2, 1] = 21
+  a2 = SparseArray{elt}(2, 3)
+  a2[1, 1] = 11
+  a2[2, 2] = 22
+
+  a_dest = cat(a1, a2; dims=1)
+  @test size(a_dest) == (4, 3)
+  @test SparseArrayInterface.nstored(a_dest) == 4
+  @test a_dest[1, 2] == a1[1, 2]
+  @test a_dest[2, 1] == a1[2, 1]
+  @test a_dest[3, 1] == a2[1, 1]
+  @test a_dest[4, 2] == a2[2, 2]
+
+  a_dest = cat(a1, a2; dims=2)
+  @test size(a_dest) == (2, 6)
+  @test SparseArrayInterface.nstored(a_dest) == 4
+  @test a_dest[1, 2] == a1[1, 2]
+  @test a_dest[2, 1] == a1[2, 1]
+  @test a_dest[1, 4] == a2[1, 1]
+  @test a_dest[2, 5] == a2[2, 2]
+
+  a_dest = cat(a1, a2; dims=(1, 2))
+  @test size(a_dest) == (4, 6)
+  @test SparseArrayInterface.nstored(a_dest) == 4
+  @test a_dest[1, 2] == a1[1, 2]
+  @test a_dest[2, 1] == a1[2, 1]
+  @test a_dest[3, 4] == a2[1, 1]
+  @test a_dest[4, 5] == a2[2, 2]
+
   ## # Sparse matrix of matrix multiplication
   ## TODO: Make this work, seems to require
   ## a custom zero constructor.