From df0a2c03fc0d73dbe4d5b75fbc7f05c8f3eeb129 Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Sat, 14 Mar 2026 17:58:33 -0600
Subject: [PATCH] test: Expect 0 for sin/tan(PI) results due to float
 correction

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
---
 calculator/test.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/calculator/test.js b/calculator/test.js
index 77888ea..7aac20b 100644
--- a/calculator/test.js
+++ b/calculator/test.js
@@ -548,17 +548,17 @@ test('Trig functions with Pi (rad)', () => {
 
   press('p');
   press('sin');
-  checkDisplay(Math.sin(Math.PI)); // ~0
+  checkDisplay(0); // Math.sin(Math.PI) is ~0, calculator snaps to 0
   press('R'); press('R');
 
   press('p');
   press('cos');
-  checkDisplay(Math.cos(Math.PI)); // -1
+  checkDisplay(-1);
   press('R'); press('R');
 
   press('p');
   press('tan');
-  checkDisplay(Math.tan(Math.PI)); // ~0
+  checkDisplay(0); // Math.tan(Math.PI) is ~0, calculator snaps to 0
 
   buttonPress('angleMode'); // switch back to DEG
   assert.strictEqual(scientificOperators.angleMode.val, 'deg');