77 lines
2.0 KiB
Plaintext
77 lines
2.0 KiB
Plaintext
# 2014 October 30
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix e_blobbytes
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do_execsql_test 1.0 {
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CREATE TABLE q1(r INTEGER PRIMARY KEY, s TEXT);
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WITH d(a, b) AS (
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SELECT 0, ''
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UNION ALL
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SELECT a+1, b||'.' FROM d WHERE a<10000
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)
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INSERT INTO q1 SELECT * FROM d;
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}
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# EVIDENCE-OF: R-07796-55423 Returns the size in bytes of the BLOB
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# accessible via the successfully opened BLOB handle in its only
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# argument.
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#
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proc check_blob_size {tn rowid bytes} {
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uplevel [list do_test $tn [subst -nocommands {
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sqlite3_blob_open db main q1 s $rowid 0 B
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set res [sqlite3_blob_bytes [set B]]
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sqlite3_blob_close [set B]
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set res
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}] $bytes]
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}
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check_blob_size 1.1 43 43
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check_blob_size 1.2 391 391
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check_blob_size 1.3 6349 6349
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check_blob_size 1.4 2621 2621
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check_blob_size 1.5 7771 7771
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check_blob_size 1.6 7949 7949
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check_blob_size 1.7 4374 4374
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check_blob_size 1.8 2578 2578
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check_blob_size 1.9 7004 7004
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check_blob_size 1.10 2180 2180
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check_blob_size 1.11 3796 3796
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check_blob_size 1.12 7101 7101
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check_blob_size 1.13 7449 7449
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check_blob_size 1.14 7224 7224
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check_blob_size 1.15 3038 3038
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check_blob_size 1.16 1083 1083
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check_blob_size 1.17 5157 5157
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check_blob_size 1.18 6686 6686
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check_blob_size 1.19 6592 6592
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check_blob_size 1.20 0 0
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# EVIDENCE-OF: R-53088-19343 The incremental blob I/O routines can only
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# read or overwriting existing blob content; they cannot change the size
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# of a blob.
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#
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# Also demonstrated in other e_blobXXX.test files.
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#
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do_test 2.1 {
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sqlite3_blob_open db main q1 s 86 1 B
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list [catch { sqlite3_blob_write $B 86 "1" 1 } msg] $msg
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} {1 SQLITE_ERROR}
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sqlite3_blob_close $B
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finish_test
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