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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. GOVERNMENT USE: If you are acquiring this software on behalf of the U.S. government, the Government shall have only "Restricted Rights" in the software and related documentation as defined in the Federal Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are acquiring the software on behalf of the Department of Defense, the software shall be classified as "Commercial Computer Software" and the Government shall have only "Restricted Rights" as defined in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the authors grant the U.S. Government and others acting in its behalf permission to use and distribute the software in accordance with the terms specified in this license. ---*/ #include #include #include #include #include #include "../check_includes.h" #define LOG_NAME "check_logWriter.log" static void setup_log() { int i; lsn_t prevLSN = -1; int xid = 100; deleteLogWriter(); openLogWriter(); for(i = 0 ; i < 1000; i++) { LogEntry * e = allocCommonLogEntry(prevLSN, xid, XBEGIN); LogEntry * f; recordid rid; byte * args = (byte*)"Test 123."; size_t args_size = 10; /* Including null */ unsigned long preImage = 42; rid.page = 0; rid.slot = 0; rid.size = sizeof(unsigned long); writeLogEntry(e); prevLSN = e->LSN; f = readLSNEntry(prevLSN); fail_unless(sizeofLogEntry(e) == sizeofLogEntry(f), "Log entry changed size!!"); fail_unless(0 == memcmp(e,f,sizeofLogEntry(e)), "Log entries did not agree!!"); free (e); free (f); e = allocUpdateLogEntry(prevLSN, xid, 1, rid, args, args_size, (byte*) &preImage); writeLogEntry(e); prevLSN = e->prevLSN; f = allocCLRLogEntry(100, 1, 200, rid, prevLSN); prevLSN = f->prevLSN; writeLogEntry(f); free (e); free (f); } } /** @test Quick test of log writer and log handler. Not very extensive. Just writes out 3000 log entries, checks that 1000 of them make sense, and then closes, opens and iterates over the resulting log file to make sure that it contains 3000 entries, and none of its builtin assertions fail. In particular, logWriter checks to make sure that each log entry's size matches the size that it recorded before the logEntry. Also, when checking the 1000 of 3000 entries, this test uses readLSNEntry, which tests the logWriter's ability to succesfully manipulate LSN's. @todo Test logHandle more thoroughly. (Still need to test the guard mechanism.) */ START_TEST(logWriterTest) { LogEntry * e; LogHandle h; int i = 0; setup_log(); syncLog(); closeLogWriter(); openLogWriter(); h = getLogHandle(); /* readLSNEntry(sizeof(lsn_t)); */ while((e = nextInLog(&h))) { i++; } fail_unless(i = 3000, "Wrong number of log entries!"); deleteLogWriter(); } END_TEST /** @test Checks for a bug ecountered during devlopment. What happens when previousInTransaction is called immediately after the handle is allocated? */ START_TEST(logHandleColdReverseIterator) { LogEntry * e; LogHandle lh = getLogHandle(); int i = 0; setup_log(); while(((e = nextInLog(&lh)) && (i < 100)) ) { i++; } i = 0; lh = getLogHandle(e->LSN); while((e = previousInTransaction(&lh))) { i++; } /* printf("i = %d\n", i); */ fail_unless( i == 1 , NULL); /* The 1 is because we immediately hit a clr that goes to the beginning of the log... */ deleteLogWriter(); } END_TEST /** @test Build a simple log, truncate it, and then test the logWriter routines against it. */ START_TEST(logWriterTruncate) { LogEntry * le; LogEntry * le2; LogEntry * le3 = NULL; LogEntry * tmp; LogHandle lh = getLogHandle(); int i = 0; setup_log(); while(i < 234) { i++; le = nextInLog(&lh); } le2 = nextInLog(&lh); i = 0; while(i < 23) { i++; le3 = nextInLog(&lh); } truncateLog(le->LSN); tmp = readLSNEntry(le->LSN); fail_unless(NULL != tmp, NULL); fail_unless(tmp->LSN == le->LSN, NULL); tmp = readLSNEntry(le2->LSN); fail_unless(NULL != tmp, NULL); fail_unless(tmp->LSN == le2->LSN, NULL); tmp = readLSNEntry(le3->LSN); fail_unless(NULL != tmp, NULL); fail_unless(tmp->LSN == le3->LSN, NULL); lh = getLogHandle(); i = 0; while((le = nextInLog(&lh))) { i++; } fail_unless(i == (3000 - 234 + 1), NULL); } END_TEST Suite * check_suite(void) { Suite *s = suite_create("logWriter"); /* Begin a new test */ TCase *tc = tcase_create("writeNew"); /* Sub tests are added, one per line, here */ tcase_add_test(tc, logWriterTest); tcase_add_test(tc, logHandleColdReverseIterator); tcase_add_test(tc, logWriterTruncate); /* --------------------------------------------- */ tcase_add_checked_fixture(tc, setup, teardown); suite_add_tcase(s, tc); return s; } #include "../check_setup.h"