sqlite source (unix build) added to libraries

1 files changed, 218 insertions, 0 deletions

diff --git a/libraries/sqlite/unix/sqlite-3.5.1/test/loadext.test b/libraries/sqlite/unix/sqlite-3.5.1/test/loadext.test
new file mode 100644
index 0000000..81e152f
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+++ b/libraries/sqlite/unix/sqlite-3.5.1/test/loadext.test
@@ -0,0 +1,218 @@
+# 2006 July 14
+#
+# 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 is extension loading.
+#
+# $Id: loadext.test,v 1.11 2007/09/01 06:19:06 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !load_ext {
+  finish_test
+  return
+}
+
+# The name of the test extension varies by operating system.
+#
+if {$::tcl_platform(platform) eq "windows"} {
+  set testextension ./testloadext.dll
+} else {
+  set testextension ./libtestloadext.so
+}
+
+# The error messages tested by this file are operating system dependent
+# (because they are returned by sqlite3OsDlError()). For now, they only
+# work with UNIX (and probably only certain kinds of UNIX).
+#
+# When a shared-object cannot be opened because it does not exist, the
+# format of the message returned is:
+#
+#      [format $dlerror_nosuchfile <shared-object-name>]
+#
+# When a shared-object cannot be opened because it consists of the 4
+# characters "blah" only, we expect the error message to be:
+#
+#      [format $dlerror_notadll <shared-object-name>]
+#
+# When a symbol cannot be found within an open shared-object, the error
+# message should be:
+#
+#      [format $dlerror_nosymbol <shared-object-name> <symbol-name>]
+#
+# The exact error messages are not important. The important bit is
+# that SQLite is correctly copying the message from xDlError().
+#
+set dlerror_nosuchfile \
+    {%s: cannot open shared object file: No such file or directory}
+set dlerror_notadll    {%s: file too short}
+set dlerror_nosymbol   {%s: undefined symbol: %s}
+
+# Make sure the test extension actually exists.  If it does not
+# exist, try to create it.  If unable to create it, then skip this
+# test file.
+#
+if {![file exists $testextension]} {
+  set srcdir [file dir $testdir]/src
+  set testextsrc $srcdir/test_loadext.c
+  if {[catch {
+    exec gcc -Wall -I$srcdir -I. -g -shared $testextsrc -o $testextension
+  } msg]} {
+    puts "Skipping loadext tests: Test extension not built..."
+    puts $msg
+    finish_test
+    return
+  }
+}
+
+# Test that loading the extension produces the expected results - adding
+# the half() function to the specified database handle.
+#
+do_test loadext-1.1 {
+  catchsql {
+    SELECT half(1.0);
+  }
+} {1 {no such function: half}}
+do_test loadext-1.2 {
+  db enable_load_extension 1
+  sqlite3_load_extension db $testextension testloadext_init
+  catchsql {
+    SELECT half(1.0);
+  }
+} {0 0.5}
+
+# Test that a second database connection (db2) can load the extension also.
+#
+do_test loadext-1.3 {
+  sqlite3 db2 test.db
+  sqlite3_enable_load_extension db2 1
+  catchsql {
+    SELECT half(1.0);
+  } db2
+} {1 {no such function: half}}
+do_test loadext-1.4 {
+  sqlite3_load_extension db2 $testextension testloadext_init
+  catchsql {
+    SELECT half(1.0);
+  } db2
+} {0 0.5}
+
+# Close the first database connection. Then check that the second database
+# can still use the half() function without a problem.
+#
+do_test loadext-1.5 {
+  db close
+  catchsql {
+    SELECT half(1.0);
+  } db2
+} {0 0.5}
+
+db2 close
+sqlite3 db test.db
+sqlite3_enable_load_extension db 1
+
+# Try to load an extension for which the file does not exist.
+#
+do_test loadext-2.1 {
+  file delete -force ${testextension}xx
+  set rc [catch {
+    sqlite3_load_extension db "${testextension}xx"
+  } msg]
+  list $rc $msg
+} [list 1 [format $dlerror_nosuchfile ${testextension}xx]]
+
+# Try to load an extension for which the file is not a shared object
+#
+do_test loadext-2.2 {
+  set fd [open "${testextension}xx" w]
+  puts $fd blah
+  close $fd
+  set rc [catch {
+    sqlite3_load_extension db "${testextension}xx"
+  } msg]
+  list $rc $msg
+} [list 1 [format $dlerror_notadll ${testextension}xx]]
+
+# Try to load an extension for which the file is present but the
+# entry point is not.
+#
+do_test loadext-2.3 {
+  set rc [catch {
+    sqlite3_load_extension db $testextension icecream
+  } msg]
+  list $rc $msg
+} [list 1 [format $dlerror_nosymbol $testextension icecream]]
+
+# Try to load an extension for which the entry point fails (returns non-zero) 
+#
+do_test loadext-2.4 {
+  set rc [catch {
+    sqlite3_load_extension db $testextension testbrokenext_init
+  } msg]
+  list $rc $msg
+} {1 {error during initialization: broken!}}
+
+############################################################################
+# Tests for the load_extension() SQL function
+#
+
+db close
+sqlite3 db test.db
+sqlite3_enable_load_extension db 1
+do_test loadext-3.1 {
+  catchsql {
+    SELECT half(5);
+  }
+} {1 {no such function: half}}
+do_test loadext-3.2 {
+  catchsql {
+    SELECT load_extension($::testextension)
+  }
+} [list 1 [format $dlerror_nosymbol $testextension sqlite3_extension_init]]
+do_test loadext-3.3 {
+  catchsql {
+    SELECT load_extension($::testextension,'testloadext_init')
+  }
+} {0 {{}}}
+do_test loadext-3.4 {
+  catchsql {
+    SELECT half(5);
+  }
+} {0 2.5}
+
+# Ticket #1863
+# Make sure the extension loading mechanism will not work unless it
+# is explicitly enabled.
+#
+db close
+sqlite3 db test.db
+do_test loadext-4.1 {
+  catchsql {
+    SELECT load_extension($::testextension,'testloadext_init')
+  }
+} {1 {not authorized}}
+do_test loadext-4.2 {
+  sqlite3_enable_load_extension db 1
+  catchsql {
+    SELECT load_extension($::testextension,'testloadext_init')
+  }
+} {0 {{}}}
+
+do_test loadext-4.3 {
+  sqlite3_enable_load_extension db 0
+  catchsql {
+    SELECT load_extension($::testextension,'testloadext_init')
+  }
+} {1 {not authorized}}
+
+
+
+finish_test