[t:4573] Merge test for 4573 onto main. Refs #4573.

git-svn-id: file:///svn/toku/tokudb@40334 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/Makefile

@@ -713,7 +713,7 @@ test_update_stress.tdbrun: VGRIND=
 stress-test.tdbrun: VGRIND=
 stress-test.bdbrun: VGRIND=
 hot-optimize-table-tests.tdbrun: VGRIND=
-
+test4573-logtrim.tdbrun: VGRIND=
 
 libs:
 	cd ..;$(MAKE)

src/tests/test4573-logtrim.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
+#include "test.h"
+#include <sys/wait.h>
+
+const int envflags = DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE|DB_RECOVER;
+
+const int my_lg_max  = IS_TDB ? 100 : (4096*2);
+
+int test_main (int UU(argc), char UU(*const argv[])) {
+    int r;
+    pid_t pid;
+
+    r = system("rm -rf " ENVDIR);                                                       CKERR(r);
+    r = toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);                                 CKERR(r);
+
+    const int N = 5;
+
+    if (0==(pid=fork())) {
+	DB_ENV *env;
+	r = db_env_create(&env, 0);                                                         CKERR(r);
+	r = env->set_lg_max(env, my_lg_max);                                                CKERR(r);
+	r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO);                      CKERR(r);
+	DB_TXN *txn;
+	r = env->txn_begin(env, NULL, &txn, 0);                                             CKERR(r);
+	DB *db;
+	r = db_create(&db, env, 0);                                                         CKERR(r);
+	r = db->open(db, txn, "test.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO);  CKERR(r);
+	r = txn->commit(txn, 0);                                                            CKERR(r);
+
+	r = env->txn_begin(env, NULL, &txn, 0);                                             CKERR(r);
+	r = env->txn_checkpoint(env, 0, 0, 0);                                              CKERR(r);
+	for (int i=0; i<N; i++) {
+	    DBT k,v;
+	    r = db->put(db, txn, dbt_init(&k, &i, sizeof(i)), dbt_init(&v, &i, sizeof(i)), 0); CKERR(r);
+	    r = env->txn_checkpoint(env, 0, 0, 0);                                             CKERR(r);
+	}
+	r = txn->commit(txn, 0);                                                            CKERR(r);
+
+	r = env->txn_begin(env, NULL, &txn, 0);                                             CKERR(r);
+	r = env->txn_checkpoint(env, 0, 0, 0);                                              CKERR(r);
+	for (int i=0; i<N; i+=2) {
+	    DBT k;
+	    r = db->del(db, txn, dbt_init(&k, &i, sizeof(i)), 0);                           CKERR(r);
+	    r = env->txn_checkpoint(env, 0, 0, 0);                                          CKERR(r);
+	}
+	r = txn->commit(txn, 0);                                                            CKERR(r);
+	exit(0);
+
+    }
+    {
+	int status;
+	pid_t pid2 = wait(&status);
+	assert(pid2==pid);
+	assert(WIFEXITED(status) && WEXITSTATUS(status)==0);
+    }
+    // Now run recovery to see what happens.
+    DB_ENV *env;
+    r = db_env_create(&env, 0);                                                         CKERR(r);
+    r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO);                      CKERR(r);
+    DB_TXN *txn;
+    r = env->txn_begin(env, NULL, &txn, 0);                                             CKERR(r);
+    DB *db;
+    r = db_create(&db, env, 0);                                                         CKERR(r);
+    r = db->open(db, txn, "test.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO);  CKERR(r);
+    for (int i=0; i<N; i++) {
+	DBT k;
+	DBT v = {.size=0};
+	r = db->get(db, txn, dbt_init(&k, &i, sizeof(i)), &v, 0);
+	if (i%2==1) {
+	    assert(r==0);
+	    //printf("Got %d\n", *(int*)v.data);
+	} else {
+	    assert(r==DB_NOTFOUND);
+	}
+    }
+    r = txn->commit(txn, 0);                                                            CKERR(r);
+    r = db->close(db, 0);                                                               CKERR(r);
+    r = env->close(env, 0);                                                             CKERR(r);
+
+    //r = system("rm -rf " ENVDIR);                                 CKERR(r);
+    
+    return 0;
+}