Invoke set_lg_max in a couple of different sizes. Addresses #79.

git-svn-id: file:///svn/tokudb@2642 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_logflush.c

@@ -61,6 +61,9 @@ int main (int argc, char *argv[]) {
 	r=env->log_flush(env, 0); CKERR(r);
 	r=grep_for_in_logs(hello);
 	assert(r>=0);
+	r=tid->commit(tid, 0); assert(r==0);
     }
+    r=db->close(db, 0); assert(r==0);
+    r=env->close(env, 0); assert(r==0);
     return 0;
 }

src/tests/test_logmax.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
+
+#include <db.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include "test.h"
+
+void test_logmax (int logmax) {
+    int r;
+    DB_ENV *env;
+    DB *db;
+    DB_TXN *tid;
+
+    system("rm -rf " DIR);
+    r=mkdir(DIR, 0777);       assert(r==0);
+    r=db_env_create(&env, 0); assert(r==0);
+    if (logmax>0) {
+	r=env->set_lg_max(env, logmax);
+	assert(r==0);
+    }
+    r=env->open(env, DIR, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE, 0777); CKERR(r);
+    {
+	u_int32_t lmax;
+	r=env->get_lg_max(env, &lmax);
+	assert(r==0);
+	if (logmax>0) {
+	    assert(lmax==logmax);
+	} else {
+	    assert(lmax>0);
+	    
+	}
+    }
+    r=db_create(&db, env, 0); CKERR(r);
+    r=env->txn_begin(env, 0, &tid, 0); assert(r==0);
+    r=db->open(db, tid, "foo.db", 0, DB_BTREE, DB_CREATE, 0777); CKERR(r);
+    r=tid->commit(tid, 0);    assert(r==0);
+
+    int i;
+    int sum = 0;
+    int effective_max;
+    if (logmax>0) effective_max = logmax;
+    else {
+#ifdef TOKUDB
+	effective_max = 100<<20;
+#else
+	effective_max = 10<<20;
+#endif
+    }
+
+    r=env->txn_begin(env, 0, &tid, 0); CKERR(r);
+    char there[1000];
+    memset(there, 'a',sizeof(there));
+    there[999]=0;
+    for (i=0; sum<(effective_max*3)/2; i++) {
+	DBT key,data;
+	char hello[20];
+	snprintf(hello, 20, "hello%d", i);
+	r=db->put(db, tid,
+		  dbt_init(&key, hello, strlen(hello)+1),
+		  dbt_init(&data, there, sizeof(there)),
+		  0);
+	assert(r==0);
+	sum+=strlen(hello)+1+sizeof(there);
+	if ((i+1)%10==0) {
+	    r=tid->commit(tid, 0); assert(r==0);
+	    r=env->txn_begin(env, 0, &tid, 0); CKERR(r);
+	}
+    }
+    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 " DIR);
+}
+
+int main (int argc, char *argv[]) {
+    test_logmax(1<<20);
+    test_logmax(-1);
+    return 0;
+}