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Unified Diff: third_party/sqlite/sqlite-src-3100200/test/symlink.test

Issue 1610543003: [sql] Import reference version of SQLite 3.10.2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: third_party/sqlite/sqlite-src-3100200/test/symlink.test
diff --git a/third_party/sqlite/sqlite-src-3100200/test/symlink.test b/third_party/sqlite/sqlite-src-3100200/test/symlink.test
new file mode 100644
index 0000000000000000000000000000000000000000..790624161f3aca9e34c7b602edbc2d1de78a2a6b
--- /dev/null
+++ b/third_party/sqlite/sqlite-src-3100200/test/symlink.test
@@ -0,0 +1,129 @@
+# 2015 October 31
+#
+# 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 file is testing that SQLite can follow symbolic links.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix symlink
+
+# This only runs on unix.
+if {$::tcl_platform(platform)!="unix"} {
+ finish_test
+ return
+}
+
+# Ensure that test.db has been created.
+#
+do_execsql_test 1.0 {
+ CREATE TABLE t1(x, y);
+}
+
+# Test that SQLite follows symlinks when opening files.
+#
+forcedelete test.db2
+do_test 1.1 {
+ file link test.db2 test.db
+ sqlite3 db2 test.db2
+ sqlite3_db_filename db2 main
+} [file join [pwd] test.db]
+
+# Test that if the symlink points to a file that does not exists, it is
+# created when it is opened.
+#
+do_test 1.2.1 {
+ db2 close
+ db close
+ forcedelete test.db
+ file exists test.db
+} 0
+do_test 1.2.2 {
+ sqlite3 db2 test.db2
+ file exists test.db
+} 1
+do_test 1.2.3 {
+ sqlite3_db_filename db2 main
+} [file join [pwd] test.db]
+db2 close
+
+# Test that a loop of symlinks cannot be opened.
+#
+do_test 1.3 {
+ forcedelete test.db
+ # Note: Tcl [file link] command is too smart to create loops of symlinks.
+ exec ln -s test.db2 test.db
+ list [catch { sqlite3 db test.db } msg] $msg
+} {1 {unable to open database file}}
+
+# Test that overly large paths cannot be opened.
+#
+do_test 1.4 {
+ set name "test.db[string repeat x 502]"
+ list [catch { sqlite3 db $name } msg] $msg
+} {1 {unable to open database file}}
+do_test 1.5 {
+ set r [expr 510 - [string length test.db] - [string length [pwd]]]
+ set name "test.db[string repeat x $r]"
+ list [catch { sqlite3 db $name } msg] $msg
+} {1 {unable to open database file}}
+
+#-------------------------------------------------------------------------
+# Test that journal and wal files are created next to the real file,
+# not the symlink.
+#
+do_test 2.0 {
+ catch { db close }
+ catch { db2 close }
+ forcedelete test.db test.db2
+ sqlite3 db test.db
+ execsql { CREATE TABLE t1(x) }
+ file link test.db2 test.db
+ sqlite3 db2 test.db2
+ file exists test.db-journal
+} 0
+
+do_test 2.1 {
+ execsql {
+ BEGIN;
+ INSERT INTO t1 VALUES(1);
+ } db2
+ file exists test.db-journal
+} 1
+do_test 2.2 {
+ file exists test.db2-journal
+} 0
+do_test 2.3 {
+ execsql {
+ COMMIT;
+ PRAGMA journal_mode = wal;
+ INSERT INTO t1 VALUES(2);
+ } db2
+ file exists test.db-wal
+} 1
+do_test 2.4 {
+ file exists test.db2-wal
+} 0
+do_execsql_test 2.5 {
+ SELECT * FROM t1;
+} {1 2}
+
+# Try to open a ridiculously long pathname. Bug found by
+# Kostya Serebryany using libFuzzer on 2015-11-30.
+#
+do_test 3.1 {
+ db close
+ catch {sqlite3 db [string repeat [string repeat x 100]/ 6]} res
+ set res
+} {unable to open database file}
+
+
+finish_test
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