AryaWu/sqlite

1#include "sqliteInt.h"2#include "unity.h"3#include <string.h>4#include <limits.h>5 6/* Global fake sector size used by our xSectorSize stub */7static int gFakeSectorSize = 0;8 9/* sqlite3_io_methods we will initialize in setUp */10static struct sqlite3_io_methods gIoMethods;11 12/* Fake xSectorSize implementation returning the controllable global value */13static int fake_xSectorSize(sqlite3_file *pFile){14  (void)pFile;15  return gFakeSectorSize;16}17 18void setUp(void) {19  memset(&gIoMethods, 0, sizeof(gIoMethods));20  gIoMethods.iVersion = 3; /* A valid version for testing */21  gIoMethods.xSectorSize = fake_xSectorSize;22  gFakeSectorSize = 0;23}24 25void tearDown(void) {26  /* Nothing to clean */27}28 29/* Helper to make a sqlite3_file that uses our fake io methods */30static void makeFakeFile(sqlite3_file *pOut){31  memset(pOut, 0, sizeof(*pOut));32  pOut->pMethods = &gIoMethods;33}34 35/* Tests */36 37void test_sqlite3SectorSize_returns_512_when_os_reports_0(void){38  sqlite3_file f;39  makeFakeFile(&f);40  gFakeSectorSize = 0;41  int rc = sqlite3SectorSize(&f);42  TEST_ASSERT_EQUAL_INT(512, rc);43}44 45void test_sqlite3SectorSize_returns_512_when_os_reports_31(void){46  sqlite3_file f;47  makeFakeFile(&f);48  gFakeSectorSize = 31;49  int rc = sqlite3SectorSize(&f);50  TEST_ASSERT_EQUAL_INT(512, rc);51}52 53void test_sqlite3SectorSize_returns_512_when_os_reports_negative(void){54  sqlite3_file f;55  makeFakeFile(&f);56  gFakeSectorSize = -1;57  int rc = sqlite3SectorSize(&f);58  TEST_ASSERT_EQUAL_INT(512, rc);59}60 61void test_sqlite3SectorSize_returns_32_when_os_reports_32(void){62  sqlite3_file f;63  makeFakeFile(&f);64  gFakeSectorSize = 32;65  int rc = sqlite3SectorSize(&f);66  TEST_ASSERT_EQUAL_INT(32, rc);67}68 69void test_sqlite3SectorSize_passthrough_for_common_values(void){70  sqlite3_file f;71  makeFakeFile(&f);72 73  gFakeSectorSize = 512;74  int rc = sqlite3SectorSize(&f);75  TEST_ASSERT_EQUAL_INT(512, rc);76 77  gFakeSectorSize = 4096;78  rc = sqlite3SectorSize(&f);79  TEST_ASSERT_EQUAL_INT(4096, rc);80}81 82void test_sqlite3SectorSize_returns_exact_MAX_when_os_reports_MAX(void){83  sqlite3_file f;84  makeFakeFile(&f);85  gFakeSectorSize = MAX_SECTOR_SIZE;86  int rc = sqlite3SectorSize(&f);87  TEST_ASSERT_EQUAL_INT(MAX_SECTOR_SIZE, rc);88}89 90void test_sqlite3SectorSize_clamps_to_MAX_when_os_reports_MAX_plus_1(void){91  sqlite3_file f;92  makeFakeFile(&f);93  gFakeSectorSize = MAX_SECTOR_SIZE + 1;94  int rc = sqlite3SectorSize(&f);95  TEST_ASSERT_EQUAL_INT(MAX_SECTOR_SIZE, rc);96}97 98void test_sqlite3SectorSize_clamps_to_MAX_when_os_reports_INT_MAX(void){99  sqlite3_file f;100  makeFakeFile(&f);101  gFakeSectorSize = INT_MAX;102  int rc = sqlite3SectorSize(&f);103  TEST_ASSERT_EQUAL_INT(MAX_SECTOR_SIZE, rc);104}105 106void test_sqlite3SectorSize_returns_512_when_no_io_methods_present(void){107  sqlite3_file f;108  memset(&f, 0, sizeof(f)); /* pMethods = NULL */109  int rc = sqlite3SectorSize(&f);110  TEST_ASSERT_EQUAL_INT(512, rc);111}112 113int main(void) {114  UNITY_BEGIN();115  RUN_TEST(test_sqlite3SectorSize_returns_512_when_os_reports_0);116  RUN_TEST(test_sqlite3SectorSize_returns_512_when_os_reports_31);117  RUN_TEST(test_sqlite3SectorSize_returns_512_when_os_reports_negative);118  RUN_TEST(test_sqlite3SectorSize_returns_32_when_os_reports_32);119  RUN_TEST(test_sqlite3SectorSize_passthrough_for_common_values);120  RUN_TEST(test_sqlite3SectorSize_returns_exact_MAX_when_os_reports_MAX);121  RUN_TEST(test_sqlite3SectorSize_clamps_to_MAX_when_os_reports_MAX_plus_1);122  RUN_TEST(test_sqlite3SectorSize_clamps_to_MAX_when_os_reports_INT_MAX);123  RUN_TEST(test_sqlite3SectorSize_returns_512_when_no_io_methods_present);124  return UNITY_END();125}