[t:4015] Include 4015 test on main, even though it doesn't seem to ever see a...

[t:4015] Include 4015 test on main, even though it doesn't seem to ever see a problem.  At least it runs fast. Refs #4015

git-svn-id: file:///svn/toku/tokudb@37825 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/Makefile

@@ -253,6 +253,7 @@ BDB_DONTRUN_TESTS = \
         test938c \
         test_3645 \
         test_3755 \
+	test_4015 \
         test_abort1 \
         test_abort4 \
         test_abort5 \
@@ -433,6 +434,7 @@ EXTRA_TDB_TESTS = \
 	$(patsubst %,test_log%.recover,$(TLRECOVER)) \
 	test_groupcommit_count_hgrind.tdbrun \
 	test_groupcommit_count_vgrind.tdbrun \
+	test_4015.drdrun \
 #\ ends prev line
 
 ifeq ($(OS_CHOICE),windows)
@@ -995,6 +997,9 @@ large_%.drdrun: %.tdb
 	$(VALGRIND) --tool=drd --quiet --suppressions=drd.suppressions --error-exitcode=1 ./$< $(VERBVERBOSE) --only_stress --num_seconds 1000 --envdir dir.$@ \
 	$(MAYBEINVERTER) $(SUMMARIZE_CMD)
 
+test_4015.drdrun: test_4015.tdb
+	$(VALGRIND) --tool=drd --quiet --suppressions=drd.suppressions --error-exitcode=1 ./$< --envdir dir.tdb.$@
+
 # upgrade tests
 UPGRADE_TEST_SRCS = $(wildcard upgrade-test-*.c)
 UPGRADE_TESTS = $(patsubst %.c,%,$(UPGRADE_TEST_SRCS))

src/tests/test_4015.c

@@ -4,9 +4,118 @@
 
 
 #include "test.h"
+#include "toku_pthread.h"
+
+static int my_compare (DB *db, const DBT *a, const DBT *b) {
+    assert(db);
+    assert(db->descriptor);
+    assert(db->descriptor->dbt.size >= 3);
+    char *data = db->descriptor->dbt.data;
+    assert(data[0]=='f');
+    assert(data[1]=='o');
+    assert(data[2]=='o');
+    if (verbose) printf("compare descriptor=%s\n", data);
+    usleep(1000);
+    return uint_dbt_cmp(db, a, b);
+}
+
+DB_ENV *env;
+DB     *db;
+char   *env_dir = ENVDIR;
+
+static void *startA (void *ignore __attribute__((__unused__))) {
+    for (int i=0;i<3; i++) {
+	DBT k,v;
+	int a=1;
+	dbt_init(&k, &a, sizeof(a));
+	dbt_init(&v, &a, sizeof(a));
+	IN_TXN_COMMIT(env, NULL, txn, 0,
+		      CHK(db->put(db, txn, &k, &v, 0)));
+    }
+    return NULL;
+}
+static void change_descriptor (DB_TXN *txn, int i) {
+    DBT desc;
+    char foo[100];
+    snprintf(foo, 99, "foo%d", i);
+    dbt_init(&desc, foo, 1+strlen(foo));
+    int r;
+    if (verbose) printf("trying to change to %s\n", foo);
+    while ((r=db->change_descriptor(db, txn, &desc, 0))) {
+	if (verbose) printf("Change failed r=%d, try again\n", r);
+    }
+    if (verbose) printf("ok\n");
+}
+static void startB (void) {
+    for (int i=0; i<10; i++) {
+	IN_TXN_COMMIT(env, NULL, txn, 0,
+		      change_descriptor(txn, i));
+    }
+}
+
+static void my_parse_args (int argc, char * const argv[]) {
+    const char *argv0=argv[0];
+    while (argc>1) {
+	int resultcode=0;
+	if (strcmp(argv[1], "-v")==0) {
+	    verbose++;
+	} else if (strcmp(argv[1],"-q")==0) {
+	    verbose--;
+	    if (verbose<0) verbose=0;
+	} else if (strcmp(argv[1],"--envdir")==0) {
+	    assert(argc>2);
+	    env_dir = argv[2];
+	    argc--;
+	    argv++;
+	} else if (strcmp(argv[1], "-h")==0) {
+	do_usage:
+	    fprintf(stderr, "Usage:\n%s [-v|-q] [-h] [--envdir <envdir>]\n", argv0);
+	    exit(resultcode);
+	} else {
+	    resultcode=1;
+	    goto do_usage;
+	}
+	argc--;
+	argv++;
+    }
+}
 
 int test_main(int argc, char * const argv[]) {
-    parse_args(argc, argv);
+    my_parse_args(argc, argv);
+
+    CHK(db_env_create(&env, 0));
+    CHK(env->set_redzone(env, 0));
+    CHK(env->set_default_bt_compare(env, my_compare));
+    {
+	const int size = 10+strlen(env_dir);
+	char cmd[size];
+	snprintf(cmd, size, "rm -rf %s", env_dir);
+	system(cmd);
+    }
+    CHK(toku_os_mkdir(env_dir, S_IRWXU+S_IRWXG+S_IRWXO));
+    const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
+    CHK(env->open(env, env_dir, envflags, S_IRWXU+S_IRWXG+S_IRWXO));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "db", NULL, DB_BTREE, DB_CREATE, 0666));
+    DBT desc;
+    dbt_init(&desc, "foo", sizeof("foo"));
+    IN_TXN_COMMIT(env, NULL, txn, 0,
+		  CHK(db->change_descriptor(db, txn, &desc, 0)));
+    
+    pthread_t thd;
+    CHK(toku_pthread_create(&thd, NULL, startA, NULL));
+
+    startB();
+
+    void *retval;
+    CHK(toku_pthread_join(thd, &retval));
+    assert(retval==NULL);
+
+    CHK(db->close(db, 0));
+
+
+    CHK(env->close(env, 0));
 
     return 0;
 }