139 lines
3.4 KiB
Plaintext
139 lines
3.4 KiB
Plaintext
# 2018-04-28
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# Test cases for SQLITE_DBCONFIG_RESET_DATABASE
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix resetdb
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ifcapable !vtab||!compound {
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finish_test
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return
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}
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# Create a sample database
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do_execsql_test 100 {
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PRAGMA page_size=4096;
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CREATE TABLE t1(a,b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
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INSERT INTO t1(a,b) SELECT x, randomblob(300) FROM c;
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1b ON t1(b);
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_count;
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} {210 6000 ok delete 8}
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# Verify that the same content is seen from a separate database connection
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sqlite3 db2 test.db
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do_test 110 {
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execsql {
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_count;
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} db2
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} {210 6000 ok delete 8}
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do_test 200 {
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# Thoroughly corrupt the database file by overwriting the first
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# page with randomness.
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catchsql {
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UPDATE sqlite_dbpage SET data=randomblob(4096) WHERE pgno=1;
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PRAGMA quick_check;
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}
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} {1 {unsupported file format}}
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do_test 201 {
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catchsql {
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PRAGMA quick_check;
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} db2
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} {1 {unsupported file format}}
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do_test 210 {
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# Reset the database file using SQLITE_DBCONFIG_RESET_DATABASE
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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# Verify that the reset took, even on the separate database connection
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catchsql {
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PRAGMA page_count;
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PRAGMA page_size;
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PRAGMA quick_check;
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PRAGMA journal_mode;
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} db2
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} {0 {1 4096 ok delete}}
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# Delete the old connections and database and start over again
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# with a different page size and in WAL mode.
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#
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db close
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db2 close
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forcedelete test.db
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sqlite3 db test.db
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do_execsql_test 300 {
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PRAGMA page_size=8192;
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PRAGMA journal_mode=WAL;
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CREATE TABLE t1(a,b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
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INSERT INTO t1(a,b) SELECT x, randomblob(1300) FROM c;
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1b ON t1(b);
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_size;
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PRAGMA page_count;
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} {wal 210 26000 ok wal 8192 12}
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sqlite3 db2 test.db
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do_test 310 {
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execsql {
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_size;
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PRAGMA page_count;
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} db2
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} {210 26000 ok wal 8192 12}
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# Corrupt the database again
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do_catchsql_test 320 {
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UPDATE sqlite_dbpage SET data=randomblob(8192) WHERE pgno=1;
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PRAGMA quick_check
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} {1 {file is not a database}}
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do_test 330 {
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catchsql {
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PRAGMA quick_check
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} db2
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} {1 {file is not a database}}
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# Reset the database yet again. Verify that the page size and
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# journal mode are preserved.
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#
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do_test 400 {
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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catchsql {
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PRAGMA page_count;
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PRAGMA page_size;
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PRAGMA journal_mode;
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PRAGMA quick_check;
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} db2
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} {0 {1 8192 wal ok}}
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db2 close
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finish_test
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