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/* 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