Add mip test

test/mip_test.c

@@ -0,0 +1,33 @@
+#include <assert.h>
+#include "mongoose.c"
+
+static void test_queue(void) {
+  uint8_t buf[sizeof(size_t) + 5];
+  uint16_t val = 1234;
+  struct queue q = {buf, sizeof(buf), 0, 0};
+
+  // Write to an empty queue, and read back
+  assert(q_avail(&q) == 0);
+  assert(q_write(&q, &val, sizeof(val)) == true);
+  assert(q_avail(&q) == sizeof(val));
+  assert(q.head > q.tail);
+  val = 0;
+  assert(q_read(&q, &val) == sizeof(val));
+  assert(val == 1234);
+  assert(q_avail(&q) == 0);
+
+  // Second write - wrap over the buffer boundary
+  assert(q_write(&q, &val, sizeof(val)) == true);
+  assert(q_avail(&q) == sizeof(val));
+  assert(q.head < q.tail);
+  val = 0;
+  assert(q_read(&q, &val) == sizeof(val));
+  assert(val == 1234);
+  assert(q_avail(&q) == 0);
+}
+
+int main(void) {
+  test_queue();
+  printf("SUCCESS\n");
+  return 0;
+}