From bf1e6bff2a97879fb9133bce47e7924a59ccff73 Mon Sep 17 00:00:00 2001
From: Andy Zhang <37402126+AnzhiZhang@users.noreply.github.com>
Date: Thu, 8 Aug 2024 18:00:22 +0100
Subject: [PATCH] test(matrices): add frank tests

---
 test/matrices/frank.jl | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 test/matrices/frank.jl

diff --git a/test/matrices/frank.jl b/test/matrices/frank.jl
new file mode 100644
index 0000000..5ee6041
--- /dev/null
+++ b/test/matrices/frank.jl
@@ -0,0 +1,17 @@
+# constructors
+@test allequal([
+    Frank(5),
+    Frank(5, 0),
+    Frank{Int}(5),
+    Frank{Int}(5, 0),
+])
+
+# linear algebra functions
+test_linearalgrbra_functions(Frank.(1:5))
+
+# eltype
+@test test_matrix_elements(Frank{Int32}(5))
+
+# content
+@test Frank(5) ≈ [5 4 3 2 1; 4 4 3 2 1; 0 3 3 2 1; 0 0 2 2 1; 0 0 0 1 1]
+@test Frank(5, 1) ≈ [1 1 1 1 1; 1 2 2 2 2; 0 2 3 3 3; 0 0 3 4 4; 0 0 0 4 5]