#4869 add a test that forces rollinclude log entries to be used refs[t:4869]

git-svn-id: file:///svn/toku/tokudb@43545 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test-rollinclude.c

+#include "test.h"
+
+// insert enough rows with a child txn to force a rollinclude log entry
+
+static void
+populate(DB_ENV *env, DB *db, int nrows) {
+    int r;
+    DB_TXN *parent = NULL;
+    r = env->txn_begin(env, NULL, &parent, 0); assert_zero(r);
+
+    DB_TXN *txn = NULL;
+    r = env->txn_begin(env, parent, &txn, 0); assert_zero(r);
+
+    // populate
+    for (int i = 0; i < nrows; i++) {
+        int k = htonl(i);
+        char kk[4096]; // 4 KB key
+        memset(kk, 0, sizeof kk);
+        memcpy(kk, &k, sizeof k);
+        DBT key = { .data = &kk, .size = sizeof kk };
+        DBT val = { .data = NULL, .size = 0 };
+        r = db->put(db, txn, &key, &val, 0);
+        assert_zero(r);
+    }
+
+    r = txn->commit(txn, 0); assert_zero(r);
+    r = txn->commit(parent, 0); assert_zero(r);
+}
+
+static void
+run_test(int nrows) {
+    int r;
+    DB_ENV *env = NULL;
+    r = db_env_create(&env, 0); assert_zero(r);
+
+    r = env->open(env, ENVDIR, DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO); assert_zero(r);
+
+    DB *db = NULL;
+    r = db_create(&db, env, 0); assert_zero(r);
+
+    r = db->open(db, NULL, "0.tdb", NULL, DB_BTREE, DB_AUTO_COMMIT+DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); 
+    assert_zero(r);
+
+    populate(env, db, nrows);
+
+    r = db->close(db, 0); assert_zero(r);
+
+    r = env->close(env, 0); assert_zero(r);
+}
+
+int
+test_main(int argc, char * const argv[]) {
+    int r;
+    int nrows = 1024; // = 4 MB / 4KB assumes 4 MB rollback nodes
+
+    // parse_args(argc, argv);
+    for (int i = 1; i < argc; i++) {
+        char * const arg = argv[i];
+        if (strcmp(arg, "-v") == 0) {
+            verbose++;
+            continue;
+        }
+        if (strcmp(arg, "-q") == 0) {
+            verbose = 0;
+            continue;
+        }
+        if (strcmp(arg, "--nrows") == 0 && i+1 < argc) {
+            nrows = atoi(argv[++i]);
+            continue;
+        }
+    }
+
+    r = system("rm -rf " ENVDIR); assert_zero(r);
+    r = toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO); assert_zero(r);
+
+    run_test(nrows);
+
+    return 0;
+}
+