From 00c0c94a68d89af9c53960730f278ffa0103a5cc Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Mon, 20 May 2024 16:06:44 -0400
Subject: [PATCH] Add tests with LinearOperators.jl

---
 .buildkite/pipeline.yml      | 14 ++++++++++++++
 test/cpu/linear_operators.jl | 16 ++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 test/cpu/linear_operators.jl

diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 120f1f736..358eb9cac 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -98,3 +98,17 @@ steps:
         Pkg.instantiate()
         include("test/cpu/component_arrays.jl")'
     timeout_in_minutes: 30
+
+  - label: "CPUs -- LinearOperators.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: "1.10"
+    agents:
+      queue: "juliaecosystem"
+    command: |
+      julia --color=yes --project -e '
+        using Pkg
+        Pkg.add("LinearOperators")
+        Pkg.instantiate()
+        include("test/cpu/linear_operators.jl")'
+    timeout_in_minutes: 30
diff --git a/test/cpu/linear_operators.jl b/test/cpu/linear_operators.jl
new file mode 100644
index 000000000..3a58c5d20
--- /dev/null
+++ b/test/cpu/linear_operators.jl
@@ -0,0 +1,16 @@
+using LinearAlgebra, SparseArrays, Test
+using Krylov, LinearOperators
+
+@testset "LinearOperators" begin
+  n = 50
+  p = 5
+
+  for T in (Float64, ComplexF64)
+    A = rand(T, n, n)
+    B = rand(T, n, p)
+    
+    opA = LinearOperator(A)
+    x, stats = block_gmres(opA, B)
+    @test stats.solved
+  end
+end