1 files changed, 14 insertions, 0 deletions
diff --git a/test/test004.right.txt b/test/test004.right.txt
new file mode 100644
index 000000000000..cfe8f2ed6be0
--- /dev/null
+++ b/test/test004.right.txt
@@ -0,0 +1,14 @@
+int Chunk_bounds_check(Chunk *chunk, size_t start, size_t n)
+{
+    if (chunk == NULL) return 0;
+
+    return start <= chunk->length && n <= chunk->length - start;
+}
+
+void Chunk_copy(Chunk *src, size_t src_start, Chunk *dst, size_t dst_start, size_t n)
+{
+    if (!Chunk_bounds_check(src, src_start, n)) return;
+    if (!Chunk_bounds_check(dst, dst_start, n)) return;
+
+    memcpy(dst->data + dst_start, src->data + src_start, n);
+}