From e335fa6ef9df03eaef697fdc97279d41ea4f8394 Mon Sep 17 00:00:00 2001
From: Andy Zhang <37402126+AnzhiZhang@users.noreply.github.com>
Date: Thu, 8 Aug 2024 17:57:47 +0100
Subject: [PATCH] test(matrices): add forsythe tests

---
 test/matrices/forsythe.jl | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/matrices/forsythe.jl

diff --git a/test/matrices/forsythe.jl b/test/matrices/forsythe.jl
new file mode 100644
index 0000000..936519b
--- /dev/null
+++ b/test/matrices/forsythe.jl
@@ -0,0 +1,18 @@
+# constructors
+@test allequal([
+    Forsythe(5),
+    Forsythe{Float64}(5),
+    Forsythe(5, sqrt(eps(Float64)), zero(Float64)),
+    Forsythe{Float64}(5, sqrt(eps(Float64)), zero(Float64)),
+])
+
+# linear algebra functions
+test_linearalgrbra_functions(Forsythe.(1:5))
+
+# eltype
+@test test_matrix_elements(Forsythe{Float32}(5))
+
+# content
+@test Forsythe(5) ≈ [0.0 1.0 0.0 0.0 0.0; 0.0 0.0 1.0 0.0 0.0; 0.0 0.0 0.0 1.0 0.0; 0.0 0.0 0.0 0.0 1.0; 1.4901161193847656e-8 0.0 0.0 0.0 0.0]
+@test Forsythe(5, 2, 3) ≈ [3.0 1.0 0.0 0.0 0.0; 0.0 3.0 1.0 0.0 0.0; 0.0 0.0 3.0 1.0 0.0; 0.0 0.0 0.0 3.0 1.0; 2.0 0.0 0.0 0.0 3.0]
+@test Forsythe(5, 3, -5) ≈ [-5.0 1.0 0.0 0.0 0.0; 0.0 -5.0 1.0 0.0 0.0; 0.0 0.0 -5.0 1.0 0.0; 0.0 0.0 0.0 -5.0 1.0; 3.0 0.0 0.0 0.0 -5.0]