storage/test/test_statement_scoper.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "storage_test_harness.h"
   8
   9 #include "mozStorageHelper.h"
  10
  11 /**
  12  * This file test our statement scoper in mozStorageHelper.h.
  13  */
  14
  15 void
  16 test_automatic_reset()
  17 {
  18   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  19
  20   // Need to create a table to populate sqlite_master with an entry.
  21   (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
  22     "CREATE TABLE test (id INTEGER PRIMARY KEY)"
  23   ));
  24
  25   nsCOMPtr<mozIStorageStatement> stmt;
  26   (void)db->CreateStatement(NS_LITERAL_CSTRING(
  27     "SELECT * FROM sqlite_master"
  28   ), getter_AddRefs(stmt));
  29
  30   // Reality check - make sure we start off in the right state.
  31   int32_t state = -1;
  32   (void)stmt->GetState(&state);
  33   do_check_true(state == mozIStorageStatement::MOZ_STORAGE_STATEMENT_READY);
  34
  35   // Start executing the statement, which will put it into an executing state.
  36   {
  37     mozStorageStatementScoper scoper(stmt);
  38     bool hasMore;
  39     do_check_true(NS_SUCCEEDED(stmt->ExecuteStep(&hasMore)));
  40
  41     // Reality check that we are executing.
  42     state = -1;
  43     (void)stmt->GetState(&state);
  44     do_check_true(state ==
  45                   mozIStorageStatement::MOZ_STORAGE_STATEMENT_EXECUTING);
  46   }
  47
  48   // And we should be ready again.
  49   state = -1;
  50   (void)stmt->GetState(&state);
  51   do_check_true(state == mozIStorageStatement::MOZ_STORAGE_STATEMENT_READY);
  52 }
  53
  54 void
  55 test_Abandon()
  56 {
  57   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  58
  59   // Need to create a table to populate sqlite_master with an entry.
  60   (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
  61     "CREATE TABLE test (id INTEGER PRIMARY KEY)"
  62   ));
  63
  64   nsCOMPtr<mozIStorageStatement> stmt;
  65   (void)db->CreateStatement(NS_LITERAL_CSTRING(
  66     "SELECT * FROM sqlite_master"
  67   ), getter_AddRefs(stmt));
  68
  69   // Reality check - make sure we start off in the right state.
  70   int32_t state = -1;
  71   (void)stmt->GetState(&state);
  72   do_check_true(state == mozIStorageStatement::MOZ_STORAGE_STATEMENT_READY);
  73
  74   // Start executing the statement, which will put it into an executing state.
  75   {
  76     mozStorageStatementScoper scoper(stmt);
  77     bool hasMore;
  78     do_check_true(NS_SUCCEEDED(stmt->ExecuteStep(&hasMore)));
  79
  80     // Reality check that we are executing.
  81     state = -1;
  82     (void)stmt->GetState(&state);
  83     do_check_true(state ==
  84                   mozIStorageStatement::MOZ_STORAGE_STATEMENT_EXECUTING);
  85
  86     // And call Abandon.  We should not reset now when we fall out of scope.
  87     scoper.Abandon();
  88   }
  89
  90   // And we should still be executing.
  91   state = -1;
  92   (void)stmt->GetState(&state);
  93   do_check_true(state == mozIStorageStatement::MOZ_STORAGE_STATEMENT_EXECUTING);
  94 }
  95
  96 void (*gTests[])(void) = {
  97   test_automatic_reset,
  98   test_Abandon,
  99 };
 100
 101 const char *file = __FILE__;
 102 #define TEST_NAME "statement scoper"
 103 #define TEST_FILE file
 104 #include "storage_test_harness_tail.h"