Add tests for connection reuse

tests/test.h

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include "../tinyhttp.h"
+
+typedef struct {
+
+	int minor;
+
+	int status_code;
+	TinyHTTPString status_text;
+
+	int num_headers;
+	TinyHTTPHeader headers[TINYHTTP_HEADER_LIMIT];
+
+	char *body;
+	int   body_len;
+} Response;
+
+// Memory function used to initialize TinyHTTPStream
+// TODO: Maybe choose a better name for this
+void *memfunc(TinyHTTPMemoryFuncTag tag, void *ptr, int len, void *data);
+
+// Moves the request "str" into the stream, checks that the stream
+// became ready and that it parsed the request correctly. When this
+// functions returns the stream is ready for a response.
+void send_request(TinyHTTPStream *stream, const char *str);
+
+// Copies into the "dst" buffer the output bytes from the stream
+// (up to "cap" bytes) and parses them as an HTTP response into
+// "res".
+void recv_response(TinyHTTPStream *stream, Response *res, char *dst, int cap);
+
+int header_exists(Response *res, TinyHTTPString name);
+int header_exists_with_value(Response *res, TinyHTTPString name, TinyHTTPString value);
+
+#define TEST(X) {if (!(X)) { printf("Test failed at %s:%d\n", __FILE__, __LINE__); fflush(stdout); __builtin_trap(); }}
+
+#define TEST_START printf("Test %s:%d\n", __FILE__, __LINE__);
+#define TEST_START2(file, line) printf("Test %s:%d\n", (file), (line));
+#define TEST_END
+
+void test_reuse(void);