From 033f34c6b5bde6fb65ace358631a24b26492ebdc Mon Sep 17 00:00:00 2001
From: jverzani <jverzani@gmail.com>
Date: Mon, 9 Sep 2024 17:06:55 -0400
Subject: [PATCH] add test, fix 1.6 issue

---
 Project.toml               | 3 ++-
 test/test-SymbolicUtils.jl | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index b76bb8e..a6e5c80 100644
--- a/Project.toml
+++ b/Project.toml
@@ -31,6 +31,7 @@ julia = "1.6"
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
+TermInterface = "8ea1fca8-c5ef-4a55-8b96-4e9afe9c9a3c"
 
 [targets]
-test = ["SymbolicUtils", "Test"]
+test = ["SymbolicUtils", "TermInterface", "Test"]
diff --git a/test/test-SymbolicUtils.jl b/test/test-SymbolicUtils.jl
index f6e7426..3c6f9d2 100644
--- a/test/test-SymbolicUtils.jl
+++ b/test/test-SymbolicUtils.jl
@@ -2,6 +2,14 @@ using Test
 using SymEngine
 import SymbolicUtils: simplify, @rule, @acrule, Chain, Fixpoint
 
+import TermInterface
+@testset "TermInterface" begin
+    @vars x
+    @test !TermInterface.iscall(x)
+    @test TermInterface.iscall(x^2)
+    @test TermInterface.operation(sin(x)) == sin
+    @test TermInterface.arguments(sin(x)) == [x]
+end
 
 @testset "SymbolicUtils" begin
     # from SymbolicUtils.jl docs