Index: third_party/sqlite/sqlite-src-3080704/test/capi3b.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/capi3b.test b/third_party/sqlite/sqlite-src-3080704/test/capi3b.test |
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index 0000000000000000000000000000000000000000..72bbbaf65678938bcfb9fe072c55f675f00db2b8 |
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+# 2004 September 2 |
+# |
+# 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 implements regression tests for SQLite library. The |
+# focus of this script testing the callback-free C/C++ API and in |
+# particular the behavior of sqlite3_step() when trying to commit |
+# with lock contention. |
+# |
+# $Id: capi3b.test,v 1.4 2007/08/10 19:46:14 drh Exp $ |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+ |
+# These tests depend on the pager holding changes in cache |
+# until it is time to commit. But that won't happen if the |
+# soft-heap-limit is set too low. So disable the soft heap limit |
+# for the duration of this test. |
+# |
+sqlite3_soft_heap_limit 0 |
+ |
+ |
+set DB [sqlite3_connection_pointer db] |
+sqlite3 db2 test.db |
+set DB2 [sqlite3_connection_pointer db2] |
+ |
+# Create some data in the database |
+# |
+do_test capi3b-1.1 { |
+ execsql { |
+ CREATE TABLE t1(x); |
+ INSERT INTO t1 VALUES(1); |
+ INSERT INTO t1 VALUES(2); |
+ SELECT * FROM t1 |
+ } |
+} {1 2} |
+ |
+# Make sure the second database connection can see the data |
+# |
+do_test capi3b-1.2 { |
+ execsql { |
+ SELECT * FROM t1 |
+ } db2 |
+} {1 2} |
+ |
+# First database connection acquires a shared lock |
+# |
+do_test capi3b-1.3 { |
+ execsql { |
+ BEGIN; |
+ SELECT * FROM t1; |
+ } |
+} {1 2} |
+ |
+# Second database connection tries to write. The sqlite3_step() |
+# function returns SQLITE_BUSY because it cannot commit. |
+# |
+do_test capi3b-1.4 { |
+ set VM [sqlite3_prepare $DB2 {INSERT INTO t1 VALUES(3)} -1 TAIL] |
+ sqlite3_step $VM |
+} SQLITE_BUSY |
+ |
+# The sqlite3_step call can be repeated multiple times. |
+# |
+do_test capi3b-1.5.1 { |
+ sqlite3_step $VM |
+} SQLITE_BUSY |
+do_test capi3b-1.5.2 { |
+ sqlite3_step $VM |
+} SQLITE_BUSY |
+ |
+# The first connection closes its transaction. This allows the second |
+# connections sqlite3_step to succeed. |
+# |
+do_test capi3b-1.6 { |
+ execsql COMMIT |
+ sqlite3_step $VM |
+} SQLITE_DONE |
+do_test capi3b-1.7 { |
+ sqlite3_finalize $VM |
+} SQLITE_OK |
+do_test capi3b-1.8 { |
+ execsql {SELECT * FROM t1} db2 |
+} {1 2 3} |
+do_test capi3b-1.9 { |
+ execsql {SELECT * FROM t1} |
+} {1 2 3} |
+ |
+# Start doing a SELECT with one connection. This gets a SHARED lock. |
+# Then do an INSERT with the other connection. The INSERT should |
+# not be able to complete until the SELECT finishes. |
+# |
+do_test capi3b-2.1 { |
+ set VM1 [sqlite3_prepare $DB {SELECT * FROM t1} -1 TAIL] |
+ sqlite3_step $VM1 |
+} SQLITE_ROW |
+do_test capi3b-2.2 { |
+ sqlite3_column_text $VM1 0 |
+} 1 |
+do_test capi3b-2.3 { |
+ set VM2 [sqlite3_prepare $DB2 {INSERT INTO t1 VALUES(4)} -1 TAIL] |
+ sqlite3_step $VM2 |
+} SQLITE_BUSY |
+do_test capi3b-2.4 { |
+ sqlite3_step $VM1 |
+} SQLITE_ROW |
+do_test capi3b-2.5 { |
+ sqlite3_column_text $VM1 0 |
+} 2 |
+do_test capi3b-2.6 { |
+ sqlite3_step $VM2 |
+} SQLITE_BUSY |
+do_test capi3b-2.7 { |
+ sqlite3_step $VM1 |
+} SQLITE_ROW |
+do_test capi3b-2.8 { |
+ sqlite3_column_text $VM1 0 |
+} 3 |
+do_test capi3b-2.9 { |
+ sqlite3_step $VM2 |
+} SQLITE_BUSY |
+do_test capi3b-2.10 { |
+ sqlite3_step $VM1 |
+} SQLITE_DONE |
+do_test capi3b-2.11 { |
+ sqlite3_step $VM2 |
+} SQLITE_DONE |
+do_test capi3b-2.12 { |
+ sqlite3_finalize $VM1 |
+ sqlite3_finalize $VM2 |
+ execsql {SELECT * FROM t1} |
+} {1 2 3 4} |
+ |
+catch {db2 close} |
+ |
+sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit) |
+finish_test |