From 7f8af6dc82a0dac0d97fdd4d1f2055e932f29216 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Fri, 10 Sep 2021 15:08:27 +0100
Subject: [PATCH] libstdc++: Use "test.invalid." for invalid hostname

This avoids test.invalid.some.domain being successfully resolved.

libstdc++-v3/ChangeLog:

	* testsuite/experimental/net/internet/resolver/ops/lookup.cc:
	Fix invalid hostname to only match the .invalid TLD.
---
 .../experimental/net/internet/resolver/ops/lookup.cc          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
index 69be194fa29..8bd4dbacad2 100644
--- a/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
+++ b/libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
@@ -97,7 +97,7 @@ test03()
   std::error_code ec;
   io_context ctx;
   ip::tcp::resolver resolv(ctx);
-  auto addrs = resolv.resolve("test.invalid", "http", ec);
+  auto addrs = resolv.resolve("test.invalid.", "http", ec);
   VERIFY( ec );
   VERIFY( addrs.size() == 0 );
   VERIFY( addrs.begin() == addrs.end() );
@@ -105,7 +105,7 @@ test03()
 #if __cpp_exceptions
   bool caught = false;
   try {
-    resolv.resolve("test.invalid", "http");
+    resolv.resolve("test.invalid.", "http");
   } catch (const std::system_error& e) {
     caught = true;
     VERIFY( e.code() == ec );