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Add coverage tests for pager.c.

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FossilOrigin-Name: 228c5b16af80c22e97d9d4deb351e0d3f4523f89
This commit is contained in:
dan
2010-08-12 11:25:47 +00:00
parent b2eced5de2
commit 5653e4da36
8 changed files with 148 additions and 23 deletions
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test/pager1.test
+57 -1
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@@ -15,7 +15,7 @@ source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/malloc_common.tcl
source $testdir/wal_common.tcl
# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
@@ -2273,4 +2273,60 @@ do_multiclient_test tn {
sql1 { INSERT INTO t1 VALUES('c', 'd'); COMMIT }
} {}
}
#-------------------------------------------------------------------------
# Normally, when changing from journal_mode=PERSIST to DELETE the pager
# attempts to delete the journal file. However, if it cannot obtain a
# RESERVED lock on the database file, this step is skipped.
#
do_multiclient_test tn {
do_test pager1-28.$tn.1 {
sql1 {
PRAGMA journal_mode = PERSIST;
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES('a', 'b');
}
} {persist}
do_test pager1-28.$tn.2 { file exists test.db-journal } 1
do_test pager1-28.$tn.3 { sql1 { PRAGMA journal_mode = DELETE } } delete
do_test pager1-28.$tn.4 { file exists test.db-journal } 0
do_test pager1-28.$tn.5 {
sql1 {
PRAGMA journal_mode = PERSIST;
INSERT INTO t1 VALUES('c', 'd');
}
} {persist}
do_test pager1-28.$tn.6 { file exists test.db-journal } 1
do_test pager1-28.$tn.7 {
sql2 { BEGIN; INSERT INTO t1 VALUES('e', 'f'); }
} {}
do_test pager1-28.$tn.8 { file exists test.db-journal } 1
do_test pager1-28.$tn.9 { sql1 { PRAGMA journal_mode = DELETE } } delete
do_test pager1-28.$tn.10 { file exists test.db-journal } 1
do_test pager1-28.$tn.11 { sql2 COMMIT } {}
do_test pager1-28.$tn.12 { file exists test.db-journal } 0
do_test pager1-28-$tn.13 {
code1 { set channel [db incrblob -readonly t1 a 2] }
sql1 {
PRAGMA journal_mode = PERSIST;
INSERT INTO t1 VALUES('g', 'h');
}
} {persist}
do_test pager1-28.$tn.14 { file exists test.db-journal } 1
do_test pager1-28.$tn.15 {
sql2 { BEGIN; INSERT INTO t1 VALUES('e', 'f'); }
} {}
do_test pager1-28.$tn.16 { sql1 { PRAGMA journal_mode = DELETE } } delete
do_test pager1-28.$tn.17 { file exists test.db-journal } 1
do_test pager1-28.$tn.17 { csql2 { COMMIT } } {1 {database is locked}}
do_test pager1-28-$tn.18 { code1 { read $channel } } c
do_test pager1-28-$tn.19 { code1 { close $channel } } {}
do_test pager1-28.$tn.20 { sql2 { COMMIT } } {}
}
finish_test