2004-05-13 Paul Jakma <paul@dishone.st>

* test-buffer.c: Andrew's buffer tester
	* test-memory.c: basic memory tester
	* Makefile.am: Add new tests

tests/.cvsignore

@@ -11,3 +11,6 @@ TAGS
 testsig
 .arch-inventory
 .arch-ids
+testbuffer
+testmemory
+testsig

tests/Makefile.am

@@ -1,9 +1,12 @@
 INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib
 DEFS = @DEFS@ $(LOCAL_OPTS) -DSYSCONFDIR=\"$(sysconfdir)/\"
 
-noinst_PROGRAMS = testsig
+noinst_PROGRAMS = testsig testbuffer testmemory
 testsig_SOURCES = test-sig.c
+testbuffer_SOURCES = test-buffer.c
+testmemory_SOURCES = test-memory.c
 
 testsig_LDADD = ../lib/libzebra.la @LIBCAP@
-
+testbuffer_LDADD = ../lib/libzebra.la @LIBCAP@
+testmemory_LDADD = ../lib/libzebra.la @LIBCAP@
 

tests/test-buffer.c

@@ -0,0 +1,35 @@
+#include <zebra.h>
+#include <buffer.h>
+
+struct thread_master *master;
+
+int
+main(int argc, char **argv)
+{
+  struct buffer *b1, *b2;
+  int n;
+  char junk[3];
+  char c = 'a';
+
+  if ((argc != 2) || (sscanf(argv[1], "%d%1s", &n, junk) != 1))
+    {
+      fprintf(stderr, "Usage: %s <number of chars to simulate>\n", *argv);
+      return 1;
+    }
+
+  b1 = buffer_new(0);
+  b2 = buffer_new(1024);
+  
+  while (n-- > 0)
+    {
+      buffer_put(b1, &c, 1);
+      buffer_put(b2, &c, 1);
+      if (c++ == 'z')
+        c = 'a';
+      buffer_reset(b1);
+      buffer_reset(b2);
+    }
+  buffer_free(b1);
+  buffer_free(b2);
+  return 0;
+}

tests/test-memory.c

@@ -0,0 +1,103 @@
+#include <zebra.h>
+#include <memory.h>
+
+/* Memory torture tests
+ *
+ * Tests below are generic but comments are focused on interaction with
+ * Paul's proposed memory 'quick' cache, which may never be included in
+ * CVS
+ */
+
+struct thread_master *master;
+
+#if 0 /* set to 1 to use system alloc directly */
+#undef XMALLOC
+#undef XCALLOC
+#undef XREALLOC
+#undef XFREE
+#define XMALLOC(T,S) malloc((S))
+#define XCALLOC(T,S) calloc(1, (S))
+#define XREALLOC(T,P,S) realloc((P),(S))
+#define XFREE(T,P) free((P))
+#endif
+
+#define TIMES 10
+
+int
+main(int argc, char **argv)
+{
+  void *a[10];
+  int i;
+
+  printf ("malloc x, malloc x, free, malloc x, free free\n\n");
+  /* simple case, test cache */
+  for (i = 0; i < TIMES; i++)
+    {
+      a[0] = XMALLOC (MTYPE_VTY, 1024);
+      memset (a[0], 1, 1024);
+      a[1] = XMALLOC (MTYPE_VTY, 1024);
+      memset (a[1], 1, 1024);
+      XFREE(MTYPE_VTY, a[0]); /* should go to cache */
+      a[0] = XMALLOC (MTYPE_VTY, 1024); /* should be satisfied from cache */
+      XFREE(MTYPE_VTY, a[0]);
+      XFREE(MTYPE_VTY, a[1]);
+    }
+  
+  printf ("malloc x, malloc y, free x, malloc y, free free\n\n");
+  /* cache should go invalid, valid, invalid, etc.. */
+  for (i = 0; i < TIMES; i++)
+    {
+      a[0] = XMALLOC (MTYPE_VTY, 512);
+      memset (a[0], 1, 512);
+      a[1] = XMALLOC (MTYPE_VTY, 1024); /* invalidate cache */
+      memset (a[1], 1, 1024);
+      XFREE(MTYPE_VTY, a[0]);
+      a[0] = XMALLOC (MTYPE_VTY, 1024);
+      XFREE(MTYPE_VTY, a[0]);
+      XFREE(MTYPE_VTY, a[1]);
+      /* cache should become valid again on next request */
+    }
+
+  printf ("calloc\n\n");
+  /* test calloc */
+  for (i = 0; i < TIMES; i++)
+    {
+      a[0] = XCALLOC (MTYPE_VTY, 1024);
+      memset (a[0], 1, 1024);
+      a[1] = XCALLOC (MTYPE_VTY, 512); /* invalidate cache */
+      memset (a[1], 1, 512);
+      XFREE(MTYPE_VTY, a[1]);
+      XFREE(MTYPE_VTY, a[0]);
+      /* alloc == 0, cache can become valid again on next request */
+    }
+  
+  printf ("calloc and realloc\n\n");
+  /* check calloc + realloc */
+  for (i = 0; i < TIMES; i++)
+    {
+      printf ("calloc a0 1024\n");
+      a[0] = XCALLOC (MTYPE_VTY, 1024);
+      memset (a[0], 1, 1024/2);
+      
+      printf ("calloc 1 1024\n");
+      a[1] = XCALLOC (MTYPE_VTY, 1024);
+      memset (a[1], 1, 1024/2);
+      
+      printf ("realloc 0 1024\n");
+      a[3] = XREALLOC (MTYPE_VTY, a[0], 2048); /* invalidate cache */
+      if (a[3] != NULL)
+        a[0] = a[3];
+      memset (a[0], 1, 1024);
+      
+      printf ("calloc 2 512\n");
+      a[2] = XCALLOC (MTYPE_VTY, 512);
+      memset (a[2], 1, 512);
+      
+      printf ("free 1 0 2\n");
+      XFREE(MTYPE_VTY, a[1]);
+      XFREE(MTYPE_VTY, a[0]);
+      XFREE(MTYPE_VTY, a[2]);
+      /* alloc == 0, cache valid next request */
+    }
+  return 0;
+}