The logs are sometimes slightly larger than the log max, so this bug isn't...

The logs are sometimes slightly larger than the log max, so this bug isn't quite fixed.  Addresses #79.

git-svn-id: file:///svn/tokudb@2644 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_logmax.c

@@ -2,11 +2,33 @@
 #ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
 
 #include <db.h>
-#include <sys/stat.h>
+#include <dirent.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#include <sys/stat.h>
 #include "test.h"
 
+void check_logmax (int max) {
+    int any_too_big=0;
+    DIR *dir = opendir(ENVDIR);
+    struct dirent *ent;
+    while ((ent=readdir(dir))) {
+	if (ent->d_type==DT_REG && strncmp(ent->d_name, "log", 3)==0) {
+	    // It is a "log*" file
+#define FULL_LEN (sizeof(ENVDIR)+NAME_MAX+1)
+	    char full_fname[FULL_LEN];
+	    snprintf(full_fname, FULL_LEN, "%s/%s", ENVDIR, ent->d_name); 
+	    struct stat sbuf;
+	    int r = stat(full_fname, &sbuf);
+	    assert(r==0);
+	    if (verbose)
+		printf("%s is of size %ld\n", ent->d_name, sbuf.st_size);
+	    if (sbuf.st_size > max) any_too_big=1;
+	}
+    }
+    assert(!any_too_big);
+}
+
 void test_logmax (int logmax) {
     int r;
     DB_ENV *env;
@@ -68,14 +90,15 @@ void test_logmax (int logmax) {
 	    r=env->txn_begin(env, 0, &tid, 0); CKERR(r);
 	}
     }
-    printf("i=%d sum=%d effmax=%d\n", i, sum, effective_max);
+    if (verbose) printf("i=%d sum=%d effmax=%d\n", i, sum, effective_max);
     r=tid->commit(tid, 0); assert(r==0);
     r=db->close(db, 0); assert(r==0);
     r=env->close(env, 0); assert(r==0);
-    system("ls -l " ENVDIR);
+    check_logmax(effective_max);
 }
 
-int main (int argc, char *argv[]) {
+int main (int argc, const char *argv[]) {
+    parse_args(argc, argv);
     test_logmax(1<<20);
     test_logmax(-1);
     return 0;