From 94cd23fe4b863b5cb87d68a25adf00731a67cf9d Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Wed, 18 Sep 2024 10:44:18 -0700
Subject: [PATCH] add ratio tests

---
 ratio_ops/src/lib.rs   |  3 +++
 ratio_ops/src/tests.rs | 58 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 ratio_ops/src/tests.rs

diff --git a/ratio_ops/src/lib.rs b/ratio_ops/src/lib.rs
index 96b877a..6786c4f 100644
--- a/ratio_ops/src/lib.rs
+++ b/ratio_ops/src/lib.rs
@@ -1 +1,4 @@
 pub mod ratio;
+
+#[cfg(test)]
+mod tests;
diff --git a/ratio_ops/src/tests.rs b/ratio_ops/src/tests.rs
new file mode 100644
index 0000000..739313e
--- /dev/null
+++ b/ratio_ops/src/tests.rs
@@ -0,0 +1,58 @@
+use crate::ratio::Ratio;
+
+macro_rules! test_op{
+	($ratio_op:ident,$op:ident,$a:expr,$b:expr,$c:expr,$d:expr)=>{
+		assert_eq!(
+			Ratio::new($a,$b).$ratio_op(Ratio::new($c,$d)),
+			(($a as f32)/($b as f32)).$op(&(($c as f32)/($d as f32)))
+		);
+	};
+}
+
+macro_rules! test_many_ops{
+	($ratio_op:ident,$op:ident)=>{
+		test_op!($ratio_op,$op,1,2,3,4);
+		test_op!($ratio_op,$op,1,2,-3,4);
+		test_op!($ratio_op,$op,-1,2,-3,4);
+		test_op!($ratio_op,$op,-1,-2,-3,4);
+		test_op!($ratio_op,$op,2,1,6,3);
+		test_op!($ratio_op,$op,-2,1,6,3);
+		test_op!($ratio_op,$op,2,-1,-6,3);
+		test_op!($ratio_op,$op,2,1,6,-3);
+	};
+}
+
+#[test]
+fn test_lt(){
+	test_many_ops!(lt_ratio,lt);
+}
+
+#[test]
+fn test_gt(){
+	test_many_ops!(gt_ratio,gt);
+}
+
+#[test]
+fn test_le(){
+	test_many_ops!(le_ratio,le);
+}
+
+#[test]
+fn test_ge(){
+	test_many_ops!(ge_ratio,ge);
+}
+
+#[test]
+fn test_eq(){
+	test_many_ops!(eq_ratio,eq);
+}
+
+#[test]
+fn test_partial_cmp(){
+	test_many_ops!(partial_cmp_ratio,partial_cmp);
+}
+
+// #[test]
+// fn test_cmp(){
+// 	test_many_ops!(cmp_ratio,cmp);
+// }