From: Nico Weber <nicolasweber@gmx.de>
Date: Mon, 22 Dec 2014 17:56:50 +0000 (+0000)
Subject: Add test coverage for cc1's trigraph option handling.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=31523df79ae46ecb4fd7ae26c6e669a761a0982a;p=clang

Add test coverage for cc1's trigraph option handling.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224714 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Frontend/trigraphs.cpp b/test/Frontend/trigraphs.cpp
new file mode 100644
index 0000000000..f9c84e6dc3
--- /dev/null
+++ b/test/Frontend/trigraphs.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -DSTDCPP11 -std=c++11 -verify -fsyntax-only %s
+// RUN: %clang_cc1 -DSTDGNU11 -std=gnu++11 -verify -fsyntax-only %s
+// RUN: %clang_cc1 -DSTDGNU11TRI -trigraphs -std=gnu++11 -verify -fsyntax-only %s
+// RUN: %clang_cc1 -DSTDCPP17 -std=c++1z -verify -fsyntax-only %s
+// RUN: %clang_cc1 -DSTDCPP17TRI -trigraphs -std=c++1z -verify -fsyntax-only %s
+
+void foo() {
+#if defined(NOFLAGS) || defined(STDCPP11) || defined(STDGNU11TRI) || defined(STDCPP17TRI)
+  const char c[] = "??/n"; // expected-warning{{trigraph converted to '\' character}}
+#elif defined(STDGNU11) || defined(STDCPP17)
+  const char c[] = "??/n"; // expected-warning{{trigraph ignored}}
+#else
+#error Not handled.
+#endif
+}