add resize_and_overwrite test

trcrsired · Sep 30, 2024 · 2fcf1b5 · 2fcf1b5
1 parent 520b79d
commit 2fcf1b5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/tests/0026.container/0004.string/string.cc b/tests/0026.container/0004.string/string.cc
@@ -1,5 +1,6 @@
 #include <fast_io_dsal/string.h>
 #include <fast_io.h>
+#include <algorithm>
 
 int main()
 {
@@ -42,6 +43,10 @@ int main()
 	::std::ranges::swap(str19,str18);
 	auto str20(str16);
 	str20.erase_index(1,3);
+	str20.resize_and_overwrite(40,[](char8_t* buf, ::std::size_t n) noexcept
+	{
+		return static_cast<::std::size_t>(::std::fill_n(buf, 20u, u8'z') - buf);
+	});
 	::fast_io::io::println(
 		::fast_io::u8c_stdout(),
 		u8"u8vw=", u8vw,