# 2001 September 15

 #

 # 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.

 #

 # $Id: blob.test,v 1.7 2008/04/04 15:12:22 drh Exp $

 set testdir [file dirname $argv0]

 source $testdir/tester.tcl

 ifcapable {!bloblit} {

   finish_test

   return

 }

 proc bin_to_hex {blob} {

   set bytes {}

   binary scan $blob \c* bytes

   set bytes2 [list]

   foreach b $bytes {lappend bytes2 [format %02X [expr $b & 0xFF]]}

   join $bytes2 {}

 }

 # Simplest possible case. Specify a blob literal

 do_test blob-1.0 {

   set blob [execsql {SELECT X'01020304';}]

   bin_to_hex [lindex $blob 0]

 } {01020304}

 do_test blob-1.1 {

   set blob [execsql {SELECT x'ABCDEF';}]

   bin_to_hex [lindex $blob 0]

 } {ABCDEF}

 do_test blob-1.2 {

   set blob [execsql {SELECT x'';}]

   bin_to_hex [lindex $blob 0]

 } {}

 do_test blob-1.3 {

   set blob [execsql {SELECT x'abcdEF12';}]

   bin_to_hex [lindex $blob 0]

 } {ABCDEF12}

 do_test blob-1.3.2 {

   set blob [execsql {SELECT x'0123456789abcdefABCDEF';}]

   bin_to_hex [lindex $blob 0]

 } {0123456789ABCDEFABCDEF}

 # Try some syntax errors in blob literals.

 do_test blob-1.4 {

   catchsql {SELECT X'01020k304', 100}

 } {1 {unrecognized token: "X'01020k304'"}}

 do_test blob-1.5 {

   catchsql {SELECT X'01020, 100}

 } {1 {unrecognized token: "X'01020, 100"}}

 do_test blob-1.6 {

   catchsql {SELECT X'01020 100'}

 } {1 {unrecognized token: "X'01020 100'"}}

 do_test blob-1.7 {

   catchsql {SELECT X'01001'}

 } {1 {unrecognized token: "X'01001'"}}

 do_test blob-1.8 {

   catchsql {SELECT x'012/45'}

 } {1 {unrecognized token: "x'012/45'"}}

 do_test blob-1.9 {

   catchsql {SELECT x'012:45'}

 } {1 {unrecognized token: "x'012:45'"}}

 do_test blob-1.10 {

   catchsql {SELECT x'012@45'}

 } {1 {unrecognized token: "x'012@45'"}}

 do_test blob-1.11 {

   catchsql {SELECT x'012G45'}

 } {1 {unrecognized token: "x'012G45'"}}

 do_test blob-1.12 {

   catchsql {SELECT x'012`45'}

 } {1 {unrecognized token: "x'012`45'"}}

 do_test blob-1.13 {

   catchsql {SELECT x'012g45'}

 } {1 {unrecognized token: "x'012g45'"}}

 # Insert a blob into a table and retrieve it.

 do_test blob-2.0 {

   execsql {

     CREATE TABLE t1(a BLOB, b BLOB);

     INSERT INTO t1 VALUES(X'123456', x'7890ab');

     INSERT INTO t1 VALUES(X'CDEF12', x'345678');

   }

   set blobs [execsql {SELECT * FROM t1}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {123456 7890AB CDEF12 345678}

 # An index on a blob column

 do_test blob-2.1 {

   execsql {

     CREATE INDEX i1 ON t1(a);

   }

   set blobs [execsql {SELECT * FROM t1}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {123456 7890AB CDEF12 345678}

 do_test blob-2.2 {

   set blobs [execsql {SELECT * FROM t1 where a = X'123456'}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {123456 7890AB}

 do_test blob-2.3 {

   set blobs [execsql {SELECT * FROM t1 where a = X'CDEF12'}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {CDEF12 345678}

 do_test blob-2.4 {

   set blobs [execsql {SELECT * FROM t1 where a = X'CD12'}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {}

 # Try to bind a blob value to a prepared statement.

 do_test blob-3.0 {

   sqlite3 db2 test.db

   set DB [sqlite3_connection_pointer db2]

   set STMT [sqlite3_prepare $DB "DELETE FROM t1 WHERE a = ?" -1 DUMMY]

   sqlite3_bind_blob $STMT 1 "\x12\x34\x56" 3

   sqlite3_step $STMT

 } {SQLITE_DONE}

 do_test blob-3.1 {

   sqlite3_finalize $STMT

   db2 close

 } {}

 do_test blob-2.3 {

   set blobs [execsql {SELECT * FROM t1}]

   set blobs2 [list]

   foreach b $blobs {lappend blobs2 [bin_to_hex $b]}

   set blobs2

 } {CDEF12 345678}

 finish_test