[test_buffer]

use target and actual checks

delay/tests/test_common.hpp

@@ -1,8 +1,9 @@
 #include <delay/buffer_multi.hpp>
 #include <delay/buffer.hpp>
 #include <cstdio>
-
+#include <assert.h>
 #include <iostream>
+#include <ostream>
 
 #ifndef TEST_COMMON_H
 #define TEST_COMMON_H
@@ -20,8 +21,14 @@ void print(const dsp::Buffer<T> &v, size_t size, std::string name=std::string(""
 }
 
 template<typename T>
-bool check(const dsp::Buffer<T> &target, const dsp::Buffer<T> &actual)
+void check(const dsp::Buffer<T> &target, const dsp::Buffer<T> &actual)
 {
+	if (!(target == actual))
+	{
+		std::cout << "Check failed" << std::endl;
+		print(target, target.capacity(), "Target");
+		print(actual, actual.capacity(), "Actual");
+	}
 	assert(target == actual);
 }