From 4989aefc6c9d61c4a3684da227e13da5c2d324fa Mon Sep 17 00:00:00 2001
From: Katharine Hyatt <khyatt@flatironinstitute.org>
Date: Wed, 4 Mar 2026 05:45:13 -0500
Subject: [PATCH] Make a failing test

---
 test/testsuite/linalg.jl | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/testsuite/linalg.jl b/test/testsuite/linalg.jl
index 34a4b722..8e6d5b23 100644
--- a/test/testsuite/linalg.jl
+++ b/test/testsuite/linalg.jl
@@ -493,6 +493,15 @@ end
         @test compare(mul!, AT, C, A, B, Ref(T(4)), Ref(T(5)))
         @test typeof(AT(rand(Tc, 3, 3)) * AT(rand(T, 3, 3))) <: AbstractMatrix
     end
+    @testset "$T with views" for T in eltypes
+        A = rand(T, 10, 10)
+        v1 = @view(A[:, 1:5])
+        v2 = @view(A[1:5, :])
+        dA = AT(A)
+        dv1 = @view(dA[:, 1:5])
+        dv2 = @view(dA[1:5, :])
+        @test Array(v1) * Array(v2) ≈ Array(v1 * v2)
+    end
 end
 
 @testsuite "linalg/norm" (AT, eltypes)->begin