1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/dir-only-1.c b/gcc/testsuite/gcc.dg/cpp/dir-only-1.c
new file mode 100644
index 0000000..3c22616
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/dir-only-1.c
@@ -0,0 +1,73 @@
+/* Copyright 2007 Free Software Foundation, Inc.
+   Contributed by Ollie Wild <aaw@google.com>.  */
+
+/* { dg-do preprocess } */
+/* { dg-options -fdirectives-only } */
+
+/* Tests scan_translation_unit_directives_only()'s handling of corner cases. */
+
+/* Ignore directives inside block comments...
+#error directive inside block comment
+*/
+
+// Escaped newline doesn't terminate line comment \
+#error directive inside line comment
+
+/* A comment canot start inside a string. */
+const char *c1 = "/*";
+#define NOT_IN_COMMENT
+const char *c2 = "*/";
+#ifndef NOT_IN_COMMENT
+#error Comment started inside a string literal
+#endif
+
+/* Escaped newline handling. */
+int i; \
+#error ignored escaped newline
+  \
+  \
+#define BOL
+#ifndef BOL
+#error escaped newline did not preserve beginning of line
+#endif
+
+/* Handles \\ properly at the end of a string. */
+"string ends in \\"/*
+#error Missed string terminator.
+*/
+
+/* Handles macro expansion in preprocessing directives. */
+#define HEADER "dir-only-1.h"
+#include HEADER
+#ifndef GOT_HEADER
+#error Failed to include header.
+#endif
+
+/\
+*
+#define IN_COMMENT
+*/
+#ifdef IN_COMMENT
+#error Escaped newline breaks block comment initiator.
+#endif
+
+/*
+*\
+/
+#define NOT_IN_COMMENT2
+/**/
+#ifndef NOT_IN_COMMENT2
+#error Escaped newline breaks block comment terminator.
+#endif
+
+/* Test escaped newline inside character escape sequence. */
+"\\
+\"/*
+#error Missed string terminator
+*/
+
+/* Block comments don't mask trailing preprocessing
+   directive. */ #define NOT_MASKED
+#ifndef NOT_MASKED
+#error Comment masks trailing directive.
+#endif