Index: third_party/sqlite/sqlite-src-3170000/test/cacheflush.test |
diff --git a/third_party/sqlite/sqlite-src-3170000/test/cacheflush.test b/third_party/sqlite/sqlite-src-3170000/test/cacheflush.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..50461893ef1cebe98524e14b1dbfa6cfbc291945 |
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+++ b/third_party/sqlite/sqlite-src-3170000/test/cacheflush.test |
@@ -0,0 +1,323 @@ |
+# 2011 November 16 |
+# |
+# The author disclaims copyright to this source code. In place of |
+# a legal notice, here is a blessing: |
+# |
+# May you do good and not evil. |
+# May you find forgiveness for yourself and forgive others. |
+# May you share freely, never taking more than you give. |
+# |
+#*********************************************************************** |
+# |
+# This file contains test cases for sqlite3_db_cacheflush API. |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+set testprefix cacheflush |
+test_set_config_pagecache 0 0 |
+ |
+# Run the supplied SQL on a copy of the database currently stored on |
+# disk in file $dbfile. |
+proc diskquery {dbfile sql} { |
+ forcecopy $dbfile dq.db |
+ sqlite3 dq dq.db |
+ set res [execsql $sql dq] |
+ dq close |
+ set res |
+} |
+ |
+# Simplest possible test. |
+# |
+do_execsql_test 1.1.0 { |
+ CREATE TABLE t1(a, b); |
+ INSERT INTO t1 VALUES(1, 2); |
+ BEGIN; |
+ INSERT INTO t1 VALUES(3, 4); |
+} |
+do_test 1.1.1 { |
+ diskquery test.db { SELECT * FROM t1 } |
+} {1 2} |
+do_test 1.1.2 { |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { SELECT * FROM t1 } |
+} {1 2 3 4} |
+ |
+# Test that multiple pages may be flushed to disk. |
+# |
+do_execsql_test 1.2.0 { |
+ COMMIT; |
+ CREATE TABLE t2(a, b); |
+ BEGIN; |
+ INSERT INTO t1 VALUES(5, 6); |
+ INSERT INTO t2 VALUES('a', 'b'); |
+} |
+do_test 1.2.1 { |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ SELECT * FROM t2; |
+ } |
+} {1 2 3 4} |
+do_test 1.2.2 { |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ SELECT * FROM t2; |
+ } |
+} {1 2 3 4 5 6 a b} |
+ |
+# Test that pages with nRef!=0 are not flushed to disk. |
+# |
+do_execsql_test 1.3.0 { |
+ COMMIT; |
+ CREATE TABLE t3(a, b); |
+ BEGIN; |
+ INSERT INTO t1 VALUES(7, 8); |
+ INSERT INTO t2 VALUES('c', 'd'); |
+ INSERT INTO t3 VALUES('i', 'ii'); |
+} |
+do_test 1.3.1 { |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ SELECT * FROM t2; |
+ SELECT * FROM t3; |
+ } |
+} {1 2 3 4 5 6 a b} |
+do_test 1.3.2 { |
+ db eval { SELECT a FROM t1 } { |
+ if {$a==3} { |
+ sqlite3_db_cacheflush db |
+ } |
+ } |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ SELECT * FROM t2; |
+ SELECT * FROM t3; |
+ } |
+} {1 2 3 4 5 6 a b c d i ii} |
+do_test 1.3.2 { |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ SELECT * FROM t2; |
+ SELECT * FROM t3; |
+ } |
+} {1 2 3 4 5 6 7 8 a b c d i ii} |
+ |
+# Check that SQLITE_BUSY is returned if pages cannot be flushed due to |
+# conflicting read locks. |
+# |
+do_execsql_test 1.4.0 { |
+ COMMIT; |
+ BEGIN; |
+ INSERT INTO t1 VALUES(9, 10); |
+} |
+do_test 1.4.1 { |
+ sqlite3 db2 test.db |
+ db2 eval { |
+ BEGIN; |
+ SELECT * FROM t1; |
+ } |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ } |
+} {1 2 3 4 5 6 7 8} |
+do_test 1.4.2 { |
+ list [catch { sqlite3_db_cacheflush db } msg] $msg |
+} {1 {database is locked}} |
+do_test 1.4.3 { |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ } |
+} {1 2 3 4 5 6 7 8} |
+do_test 1.4.4 { |
+ db2 close |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT * FROM t1; |
+ } |
+} {1 2 3 4 5 6 7 8 9 10} |
+do_execsql_test 1.4.5 { COMMIT } |
+ |
+#------------------------------------------------------------------------- |
+# Test that ATTACHed database caches are also flushed. |
+# |
+forcedelete test.db2 |
+do_execsql_test 2.1.0 { |
+ ATTACH 'test.db2' AS aux; |
+ CREATE TABLE aux.t4(x, y); |
+ INSERT INTO t4 VALUES('A', 'B'); |
+ BEGIN; |
+ INSERT INTO t1 VALUES(11, 12); |
+ INSERT INTO t4 VALUES('C', 'D'); |
+} |
+do_test 2.1.1 { |
+ diskquery test.db { SELECT * FROM t1; } |
+} {1 2 3 4 5 6 7 8 9 10} |
+do_test 2.1.2 { |
+ diskquery test.db2 { SELECT * FROM t4; } |
+} {A B} |
+do_test 2.1.3 { |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { SELECT * FROM t1; } |
+} {1 2 3 4 5 6 7 8 9 10 11 12} |
+do_test 2.1.4 { |
+ sqlite3_db_cacheflush db |
+ diskquery test.db2 { SELECT * FROM t4; } |
+} {A B C D} |
+do_execsql_test 2.1.5 { COMMIT } |
+ |
+# And that hitting an SQLITE_BUSY when flushing "main" does not stop |
+# SQLite from going on to flush "aux". |
+# |
+do_execsql_test 2.2.0 { |
+ BEGIN; |
+ INSERT INTO t1 VALUES(13, 14); |
+ INSERT INTO t4 VALUES('E', 'F'); |
+} |
+do_test 2.2.1 { |
+ diskquery test.db { SELECT * FROM t1; } |
+} {1 2 3 4 5 6 7 8 9 10 11 12} |
+do_test 2.2.2 { |
+ diskquery test.db2 { SELECT * FROM t4; } |
+} {A B C D} |
+do_test 2.2.3 { |
+ sqlite3 db2 test.db |
+ execsql { |
+ BEGIN; |
+ SELECT * FROM t1; |
+ } db2 |
+ list [catch { sqlite3_db_cacheflush db } msg] $msg |
+} {1 {database is locked}} |
+do_test 2.2.4 { |
+ diskquery test.db { SELECT * FROM t1; } |
+} {1 2 3 4 5 6 7 8 9 10 11 12} |
+do_test 2.2.5 { |
+ diskquery test.db2 { SELECT * FROM t4; } |
+} {A B C D E F} |
+do_test 2.2.6 { |
+ db2 close |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { SELECT * FROM t1; } |
+} {1 2 3 4 5 6 7 8 9 10 11 12 13 14} |
+do_execsql_test 2.2.7 { COMMIT } |
+ |
+#------------------------------------------------------------------------- |
+# Test that nothing terrible happens if sqlite3_db_cacheflush() is |
+# called on an in-memory database. |
+# |
+do_test 3.0 { |
+ db close |
+ sqlite3 db :memory: |
+ db eval { |
+ CREATE TABLE t1(x PRIMARY KEY); |
+ CREATE TABLE t2(y PRIMARY KEY); |
+ BEGIN; |
+ INSERT INTO t1 VALUES(randomblob(100)); |
+ INSERT INTO t2 VALUES(randomblob(100)); |
+ INSERT INTO t1 VALUES(randomblob(100)); |
+ INSERT INTO t2 VALUES(randomblob(100)); |
+ } |
+ sqlite3_db_cacheflush db |
+} {} |
+ |
+do_execsql_test 3.1 { PRAGMA integrity_check } ok |
+do_execsql_test 3.2 { COMMIT } |
+do_execsql_test 3.3 { PRAGMA integrity_check } ok |
+do_execsql_test 3.4 { |
+ SELECT count(*) FROM t1; |
+ SELECT count(*) FROM t2; |
+} {2 2} |
+ |
+#------------------------------------------------------------------------- |
+# Test that calling sqlite3_db_cacheflush() does not interfere with |
+# savepoint transactions. |
+# |
+do_test 4.0 { |
+ reset_db |
+ execsql { |
+ CREATE TABLE ta(a, aa); |
+ CREATE TABLE tb(b, bb); |
+ INSERT INTO ta VALUES('a', randomblob(500)); |
+ INSERT INTO tb VALUES('b', randomblob(500)); |
+ BEGIN; |
+ UPDATE ta SET a = 'A'; |
+ SAVEPOINT one; |
+ UPDATE tb SET b = 'B'; |
+ } |
+ |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A B} |
+ |
+do_test 4.1 { |
+ execsql { |
+ ROLLBACK TO one; |
+ } |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A b} |
+ |
+do_test 4.2 { |
+ execsql { |
+ INSERT INTO tb VALUES('c', randomblob(10)); |
+ INSERT INTO tb VALUES('d', randomblob(10)); |
+ INSERT INTO tb VALUES('e', randomblob(10)); |
+ } |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A b c d e} |
+ |
+do_test 4.3 { |
+ execsql { |
+ SAVEPOINT two; |
+ UPDATE tb SET b = upper(b); |
+ } |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A B C D E} |
+ |
+do_test 4.4 { |
+ execsql { |
+ ROLLBACK TO two; |
+ } |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A b c d e} |
+ |
+do_test 4.4 { |
+ execsql { |
+ ROLLBACK TO one; |
+ } |
+ sqlite3_db_cacheflush db |
+ diskquery test.db { |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {A b} |
+ |
+do_test 4.5 { |
+ execsql { |
+ ROLLBACK; |
+ SELECT a FROM ta; |
+ SELECT b FROM tb; |
+ } |
+} {a b} |
+ |
+test_restore_config_pagecache |
+finish_test |