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// RUN: %check_clang_tidy %s readability-duplicate-include %t -- -- -isystem %S/Inputs/duplicate-include/system -I %S/Inputs/duplicate-include
int a;
#include <string.h>
int b;
#include <string.h>
int c;
// CHECK-MESSAGES: :[[@LINE-2]]:1: warning: duplicate include [readability-duplicate-include]
// CHECK-FIXES: {{^int a;$}}
// CHECK-FIXES-NEXT: {{^#include <string.h>$}}
// CHECK-FIXES-NEXT: {{^int b;$}}
// CHECK-FIXES-NEXT: {{^int c;$}}
int d;
#include <iostream>
int e;
#include <iostream> // extra stuff that will also be removed
int f;
// CHECK-MESSAGES: :[[@LINE-2]]:1: warning: duplicate include
// CHECK-FIXES: {{^int d;$}}
// CHECK-FIXES-NEXT: {{^#include <iostream>$}}
// CHECK-FIXES-NEXT: {{^int e;$}}
// CHECK-FIXES-NEXT: {{^int f;$}}
int g;
#include "duplicate-include.h"
int h;
#include "duplicate-include.h"
int i;
// CHECK-MESSAGES: :[[@LINE-2]]:1: warning: duplicate include
// CHECK-FIXES: {{^int g;$}}
// CHECK-FIXES-NEXT: {{^#include "duplicate-include.h"$}}
// CHECK-FIXES-NEXT: {{^int h;$}}
// CHECK-FIXES-NEXT: {{^int i;$}}
#include <types.h>
int j;
#include <sys/types.h>
int k;
#include <sys/types.h>
int l;
// CHECK-MESSAGES: :[[@LINE-2]]:1: warning: duplicate include
// CHECK-FIXES: {{^int j;$}}
// CHECK-FIXES-NEXT: {{^#include <sys/types.h>$}}
// CHECK-FIXES-NEXT: {{^int k;$}}
// CHECK-FIXES-NEXT: {{^int l;$}}
int m;
# include <string.h> // lots of space
int n;
// CHECK-MESSAGES: :[[@LINE-2]]:9: warning: duplicate include
// CHECK-FIXES: {{^int m;$}}
// CHECK-FIXES-NEXT: {{^int n;$}}
// defining a macro in the main file resets the included file cache
#define ARBITRARY_MACRO
int o;
#include <sys/types.h>
int p;
// CHECK-FIXES: {{^int o;$}}
// CHECK-FIXES-NEXT: {{^#include <sys/types.h>$}}
// CHECK-FIXES-NEXT: {{^int p;$}}
// undefining a macro resets the cache
#undef ARBITRARY_MACRO
int q;
#include <sys/types.h>
int r;
// CHECK-FIXES: {{^int q;$}}
// CHECK-FIXES-NEXT: {{^#include <sys/types.h>$}}
// CHECK-FIXES-NEXT: {{^int r;$}}
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