More test coverage. This {{{test_log8}}} breaks recovery. Addresses #536, #544.

git-svn-id: file:///svn/tokudb@2871 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_log8.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
+
+/* Test to see if we can do logging and recovery. */
+/* This is very specific to TokuDB.  It won't work with Berkeley DB. */
+/* This test_log8 inserts to a db, closes, reopens, and inserts more to db.  We want to make sure that the recovery of the buffers works. */
+
+#include <assert.h>
+#include <db.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <string.h>
+
+// ENVDIR is defined in the Makefile
+
+#define CKERR(r) if (r!=0) fprintf(stderr, "%s:%d error %d %s\n", __FILE__, __LINE__, r, db_strerror(r)); assert(r==0);
+
+struct in_db;
+struct in_db {
+    long int r;
+    int i;
+    struct in_db *next;
+} *items=0;
+
+int maxcount = 10000;
+
+static void insert_some (int outeri) {
+    u_int32_t create_flag = outeri%2 ? DB_CREATE : 0; // Sometimes use DB_CREATE, sometimes don't.
+    int r;
+    DB_ENV *env;
+    DB *db;
+    DB_TXN *tid;
+    r=db_env_create(&env, 0); assert(r==0);
+    r=env->set_lk_max_locks(env, 2*maxcount); CKERR(r);
+    r=env->open(env, ENVDIR, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_PRIVATE|create_flag, 0777); CKERR(r);
+    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, create_flag, 0777); CKERR(r);
+    r=tid->commit(tid, 0);    assert(r==0);
+
+    r=env->txn_begin(env, 0, &tid, 0); assert(r==0);
+    
+    int i;
+    for (i=0; i<maxcount; i++) {
+	char hello[30], there[30];
+	DBT key,data;
+	struct in_db *newitem = malloc(sizeof(*newitem));
+	newitem->r = random();
+	newitem->i = i;
+	newitem->next = items;
+	items = newitem;
+	snprintf(hello, sizeof(hello), "hello%ld.%d.%d", newitem->r, outeri, newitem->i);
+	snprintf(there, sizeof(hello), "there%d", i);
+	memset(&key, 0, sizeof(key));
+	memset(&data, 0, sizeof(data));
+	key.data  = hello; key.size=strlen(hello)+1;
+	data.data = there; data.size=strlen(there)+1;
+	r=db->put(db, tid, &key, &data, 0);  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);
+}    
+
+static void make_db (void) {
+    DB_ENV *env;
+    DB *db;
+    DB_TXN *tid;
+    int r;
+    int i;
+
+    system("rm -rf " ENVDIR);
+    r=mkdir(ENVDIR, 0777);       assert(r==0);
+    r=db_env_create(&env, 0); assert(r==0);
+    r=env->set_lk_max_locks(env, 2*maxcount); CKERR(r);
+    r=env->open(env, ENVDIR, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE, 0777); CKERR(r);
+    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);
+    r=db->close(db, 0);  CKERR(r);
+    r=env->close(env, 0); CKERR(r);
+
+    for (i=0; i<2; i++)
+	insert_some(i);
+    
+    while (items) {
+	struct in_db *next=items->next;
+	free(items);
+	items=next;
+    }
+}
+
+int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
+    make_db();
+    return 0;
+}