From 9d0a77634637cdf5ca1601afda20db6563dc541c Mon Sep 17 00:00:00 2001
From: Sebastian Schmidt <isibboi@gmail.com>
Date: Thu, 13 Apr 2023 14:21:44 +0300
Subject: [PATCH] Add test for powers of negative numbers.

---
 tests/integration.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/integration.rs b/tests/integration.rs
index 6748fe3..1496477 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -2145,3 +2145,13 @@ fn test_variable_assignment_and_iteration() {
     variables.sort_unstable();
     assert_eq!(variables, vec!["a".to_string(), "b".to_string()],);
 }
+
+#[test]
+fn test_negative_power() {
+    assert_eq!(eval("3^-2"), Ok(Value::Float(1.0/9.0)));
+    assert_eq!(eval("3^(-2)"), Ok(Value::Float(1.0/9.0)));
+    assert_eq!(eval("-3^2"), Ok(Value::Float(-9.0)));
+    assert_eq!(eval("-(3)^2"), Ok(Value::Float(-9.0)));
+    assert_eq!(eval("(-3)^-2"), Ok(Value::Float(1.0/9.0)));
+    assert_eq!(eval("-(3^-2)"), Ok(Value::Float(-1.0/9.0)));
+}
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