[test_buffer]

improved check()

delay/tests/test_common.hpp

@@ -1,3 +1,4 @@
+#include <cmath>
 #include <delay/buffer_multi.hpp>
 #include <delay/buffer.hpp>
 #include <cstdio>
@@ -21,15 +22,38 @@ void print(const dsp::Buffer<T> &v, size_t size, std::string name=std::string(""
 }
 
 template<typename T>
-void check(const dsp::Buffer<T> &target, const dsp::Buffer<T> &actual)
+void check(const dsp::Buffer<T> &target, const dsp::Buffer<T> &actual, size_t size=0)
 {
-	if (!(target == actual))
+	bool success = false;
+	do
+	{
+		if (size == 0)
+		{
+			if (target.capacity() != actual.capacity())
+			{
+				break;
+			}
+			size = target.capacity();
+		}
+
+		for (int i=0; i < size; i++)
+		{
+			if (target[i] != actual[i])
+			{
+				break;
+			}
+		}
+		success = true;
+		
+	} while(false);
+
+	if (!success)
 	{
 		std::cout << "Check failed" << std::endl;
 		print(target, target.capacity(), "Target");
 		print(actual, actual.capacity(), "Actual");
 	}
-	assert(target == actual);
+	assert(success);
 }
 
 #endif