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From bcf0809ca0ce82d3f4608ddddfb6996dda99a4f1 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Tue, 7 May 2013 11:30:48 +0200
Subject: [PATCH 430/482] 	* tests/priority_queue_unit_test.cc: New test.

---
 ChangeLog                         |   4 ++
 Makefile.util.def                 |  17 ++++++
 configure.ac                      |   5 ++
 grub-core/lib/priority_queue.c    |  94 ----------------------------------
 include/grub/misc.h               |   2 +-
 include/grub/priority_queue.h     |   8 +++
 include/grub/test.h               |   8 +++
 tests/priority_queue_unit_test.cc | 105 ++++++++++++++++++++++++++++++++++++++
 8 files changed, 148 insertions(+), 95 deletions(-)
 create mode 100644 tests/priority_queue_unit_test.cc

diff --git a/ChangeLog b/ChangeLog
index 0fa3be0..0fe18bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2013-05-07  Vladimir Serbinenko  <phcoder@gmail.com>
 
+	* tests/priority_queue_unit_test.cc: New test.
+
+2013-05-07  Vladimir Serbinenko  <phcoder@gmail.com>
+
 	* grub-core/font/font.c: Use grub_dprintf for debug statements rather
 	than printf.
 
diff --git a/Makefile.util.def b/Makefile.util.def
index d0ae67f..086ca12 100644
--- a/Makefile.util.def
+++ b/Makefile.util.def
@@ -859,6 +859,23 @@ program = {
 
 program = {
   testcase;
+  name = priority_queue_unit_test;
+  common = tests/priority_queue_unit_test.cc;
+  common = tests/lib/unit_test.c;
+  common = grub-core/kern/list.c;
+  common = grub-core/kern/misc.c;
+  common = grub-core/tests/lib/test.c;
+  common = grub-core/lib/priority_queue.c;
+  ldadd = libgrubmods.a;
+  ldadd = libgrubgcry.a;
+  ldadd = libgrubkern.a;
+  ldadd = grub-core/gnulib/libgnu.a;
+  ldadd = '$(LIBDEVMAPPER) $(LIBZFS) $(LIBNVPAIR) $(LIBGEOM)';
+  condition = COND_HAVE_CXX;
+};
+
+program = {
+  testcase;
   name = cmp_test;
   common = tests/cmp_unit_test.c;
   common = tests/lib/unit_test.c;
diff --git a/configure.ac b/configure.ac
index 00540e6..6c310f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -320,12 +320,15 @@ AC_PATH_PROGS(MAKEINFO, makeinfo true)
 
 AC_PROG_CC
 gl_EARLY
+AC_PROG_CXX
 AM_PROG_CC_C_O
 AM_PROG_AS
 
 # Must be GCC.
 test "x$GCC" = xyes || AC_MSG_ERROR([GCC is required])
 
+AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
+
 AC_GNU_SOURCE
 AM_GNU_GETTEXT([external])
 AC_SYS_LARGEFILE
@@ -1178,6 +1181,8 @@ AM_CONDITIONAL([COND_ENABLE_EFIEMU], [test x$enable_efiemu = xyes])
 AM_CONDITIONAL([COND_ENABLE_CACHE_STATS], [test x$DISK_CACHE_STATS = x1])
 AM_CONDITIONAL([COND_ENABLE_BOOT_TIME_STATS], [test x$BOOT_TIME_STATS = x1])
 
+AM_CONDITIONAL([COND_HAVE_CXX], [test x$HAVE_CXX = xyes])
+
 AM_CONDITIONAL([COND_HAVE_ASM_USCORE], [test x$HAVE_ASM_USCORE = x1])
 AM_CONDITIONAL([COND_CYGWIN], [test x$host_os = xcygwin])
 AM_CONDITIONAL([COND_STARFIELD], [test "x$starfield_excuse" = x])
diff --git a/grub-core/lib/priority_queue.c b/grub-core/lib/priority_queue.c
index a790910..659be0b 100644
--- a/grub-core/lib/priority_queue.c
+++ b/grub-core/lib/priority_queue.c
@@ -16,37 +16,12 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef TEST
 #include <grub/priority_queue.h>
 #include <grub/mm.h>
 #include <grub/dl.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <queue>
-
-using namespace std;
-
-typedef size_t grub_size_t;
-typedef int (*grub_comparator_t) (const void *a, const void *b);
-typedef unsigned char grub_uint8_t;
-#define grub_malloc malloc
-#define grub_memcpy memcpy
-#define grub_realloc realloc
-#define grub_free free
-
-typedef enum
-  {
-    GRUB_ERR_NONE,
-    grub_errno
-  } grub_err_t;
-#endif
-
 struct grub_priority_queue
 {
   grub_size_t elsize;
@@ -56,10 +31,6 @@ struct grub_priority_queue
   void *els;
 };
 
-#ifdef TEST
-typedef struct grub_priority_queue *grub_priority_queue_t;
-#endif
-
 static inline void *
 element (struct grub_priority_queue *pq, grub_size_t k)
 {
@@ -189,69 +160,4 @@ grub_priority_queue_pop (grub_priority_queue_t pq)
     }
 }
 
-#ifdef TEST
-
-static int 
-compar (const void *a_, const void *b_)
-{
-  int a = *(int *) a_;
-  int b = *(int *) b_;
-  if (a < b)
-    return -1;
-  if (a > b)
-    return +1;
-  return 0;
-}
 
-int
-main (void)
-{
-  priority_queue <int> pq;
-  grub_priority_queue_t pq2;
-  int counter;
-  int s = 0;
-  pq2 = grub_priority_queue_new (sizeof (int), compar);
-  if (!pq2)
-    return 1;
-  srand (1);
-
-  for (counter = 0; counter < 1000000; counter++)
-    {
-      int op = rand () % 10;
-      if (s && *(int *) grub_priority_queue_top (pq2) != pq.top ())
-	{
-	  printf ("Error at %d\n", counter);
-	  return 2;
-	}
-      if (op < 3 && s)
-	{
-	  grub_priority_queue_pop (pq2);
-	  pq.pop ();
-	  s--;
-	}
-      else
-	{
-	  int v = rand ();
-	  int e;
-	  pq.push (v);
-	  e = grub_priority_queue_push (pq2, &v);
-	  if (e)
-	    return 3;
-	  s++;
-	}
-    }
-  while (s)
-    {
-      if (*(int *) grub_priority_queue_top (pq2) != pq.top ())
-	{
-	  printf ("Error at the end. %d elements remaining.\n", s);
-	  return 4;
-	}
-      grub_priority_queue_pop (pq2);
-      pq.pop ();
-      s--;
-    }
-  printf ("All tests passed successfully\n");
-  return 0;
-}
-#endif
diff --git a/include/grub/misc.h b/include/grub/misc.h
index c191c1f..9d7f212 100644
--- a/include/grub/misc.h
+++ b/include/grub/misc.h
@@ -392,7 +392,7 @@ void EXPORT_FUNC (__deregister_frame_info) (void);
 static inline char *
 grub_memchr (const void *p, int c, grub_size_t len)
 {
-  const char *s = p;
+  const char *s = (const char *) p;
   const char *e = s + len;
 
   for (; s < e; s++)
diff --git a/include/grub/priority_queue.h b/include/grub/priority_queue.h
index a5d98c8..64cbc45 100644
--- a/include/grub/priority_queue.h
+++ b/include/grub/priority_queue.h
@@ -22,6 +22,10 @@
 #include <grub/misc.h>
 #include <grub/err.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct grub_priority_queue;
 typedef struct grub_priority_queue *grub_priority_queue_t;
 typedef int (*grub_comparator_t) (const void *a, const void *b);
@@ -33,4 +37,8 @@ void *grub_priority_queue_top (grub_priority_queue_t pq);
 void grub_priority_queue_pop (grub_priority_queue_t pq);
 grub_err_t grub_priority_queue_push (grub_priority_queue_t pq, const void *el);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
diff --git a/include/grub/test.h b/include/grub/test.h
index cc4e4a8..8df85d0 100644
--- a/include/grub/test.h
+++ b/include/grub/test.h
@@ -28,6 +28,10 @@
 #include <grub/video.h>
 #include <grub/video_fb.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct grub_test
 {
   /* The next test.  */
@@ -108,4 +112,8 @@ grub_video_checksum_get_modename (void);
 #define GRUB_TEST_VIDEO_SMALL_N_MODES 6
 extern struct grub_video_mode_info grub_test_video_modes[30];
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* ! GRUB_TEST_HEADER */
diff --git a/tests/priority_queue_unit_test.cc b/tests/priority_queue_unit_test.cc
new file mode 100644
index 0000000..bb0060e
--- /dev/null
+++ b/tests/priority_queue_unit_test.cc
@@ -0,0 +1,105 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <grub/test.h>
+#include <grub/misc.h>
+#include <grub/priority_queue.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <queue>
+
+using namespace std;
+
+static int 
+compar (const void *a_, const void *b_)
+{
+  int a = *(int *) a_;
+  int b = *(int *) b_;
+  if (a < b)
+    return -1;
+  if (a > b)
+    return +1;
+  return 0;
+}
+
+static void
+priority_queue_test (void)
+{
+  priority_queue <int> pq;
+  grub_priority_queue_t pq2;
+  int counter;
+  int s = 0;
+  pq2 = grub_priority_queue_new (sizeof (int), compar);
+  if (!pq2)
+    {
+      grub_test_assert (0,
+			"priority queue: queue creating failed\n");
+      return;
+    }
+  srand (1);
+
+  for (counter = 0; counter < 1000000; counter++)
+    {
+      int op = rand () % 10;
+      if (s && *(int *) grub_priority_queue_top (pq2) != pq.top ())
+	{
+	  printf ("Error at %d\n", counter);
+	  grub_test_assert (0,
+			    "priority queue: error at %d\n", counter);
+	  return;
+	}
+      if (op < 3 && s)
+	{
+	  grub_priority_queue_pop (pq2);
+	  pq.pop ();
+	  s--;
+	}
+      else
+	{
+	  int v = rand ();
+	  pq.push (v);
+	  if (grub_priority_queue_push (pq2, &v) != 0)
+	    {
+	      grub_test_assert (0,
+				"priority queue: push failed");
+	      return;
+	    }
+	  s++;
+	}
+    }
+  while (s)
+    {
+      if (*(int *) grub_priority_queue_top (pq2) != pq.top ())
+	{
+	  grub_test_assert (0,
+			    "priority queue: Error at the end. %d elements remaining.\n", s);
+	  return;
+	}
+      grub_priority_queue_pop (pq2);
+      pq.pop ();
+      s--;
+    }
+  printf ("priority_queue: passed successfully\n");
+}
+
+GRUB_UNIT_TEST ("priority_queue_unit_test", priority_queue_test);
-- 
1.8.2.1