Initial work. Added some tests for big nums in rust and OpenCL.

nyash_client/src/test_nums.rs

@@ -0,0 +1,50 @@
+
+
+
+
+
+
+#[cfg(test)]
+mod cl_num_utils_tests {
+    use super::*;
+
+    #[test]
+    fn test_add() {
+        use std::io::{BufRead, BufReader};
+        use std::process::{Command, Stdio};
+
+        let test_gen_cmd = "/home/kira/Development/Rust/nyash-aes-xts256-plain64/nyash_client/src/tests/gen_test_data.py";
+        let mut child = Command::new(test_gen_cmd)
+            .stdout(Stdio::piped())
+            .spawn()
+            .unwrap();
+
+        let gen_stdout = child
+            .stdout
+            .take()
+            .ok_or("Failed to capture stdout")
+            .unwrap();
+        let gen_reader = BufReader::new(gen_stdout);
+
+        for r_line in gen_reader.lines() {
+            let test_line: String = r_line.unwrap(); // Handle any I/O errors
+            let test_data_line = test_line.split(' ').collect::<Vec<&str>>();
+            let num_to_add = u32::from_str_radix(test_data_line[0], 10).unwrap();
+            let t0 = bignum_from_hex(test_data_line[1]);
+
+            let t1_test = add_u32_to_u256(&t0, 1).0;
+            let t2_test = add_u32_to_u256(&t0, num_to_add).0;
+
+            let res_actual = format!(
+                "{} {} {} {}",
+                num_to_add,
+                bignum_to_hex(&t0),
+                bignum_to_hex(&t1_test),
+                bignum_to_hex(&t2_test)
+            );
+            assert_eq!(test_line, res_actual);
+        }
+
+        let _ = child.wait().unwrap();
+    }
+}