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209 lines
6.8 KiB
Plaintext
209 lines
6.8 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_blobwrite
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ifcapable !incrblob {
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finish_test
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return
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}
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#--------------------------------------------------------------------------
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# EVIDENCE-OF: R-62898-22698 This function is used to write data into an
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# open BLOB handle from a caller-supplied buffer. N bytes of data are
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# copied from the buffer Z into the open BLOB, starting at offset
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# iOffset.
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#
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set dots [string repeat . 40]
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do_execsql_test 1.0 {
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CREATE TABLE t1(a INTEGER PRIMARY KEY, t TEXT);
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INSERT INTO t1 VALUES(-1, $dots);
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INSERT INTO t1 VALUES(-2, $dots);
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INSERT INTO t1 VALUES(-3, $dots);
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INSERT INTO t1 VALUES(-4, $dots);
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INSERT INTO t1 VALUES(-5, $dots);
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INSERT INTO t1 VALUES(-6, $dots);
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}
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proc blob_write_test {tn id iOffset blob nData final} {
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sqlite3_blob_open db main t1 t $id 1 B
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# EVIDENCE-OF: R-45864-01884 On success, sqlite3_blob_write() returns
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# SQLITE_OK. Otherwise, an error code or an extended error code is
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# returned.
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#
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# This block tests the SQLITE_OK case in the requirement above (the
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# Tcl sqlite3_blob_write() wrapper uses an empty string in place of
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# "SQLITE_OK"). The error cases are tested by the "blob_write_error_test"
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# tests below.
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#
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set res [sqlite3_blob_write $B $iOffset $blob $nData]
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uplevel [list do_test $tn.1 [list set {} $res] {}]
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sqlite3_blob_close $B
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uplevel [list do_execsql_test $tn.3 "SELECT t FROM t1 WHERE a=$id" $final]
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}
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set blob "0123456789012345678901234567890123456789"
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blob_write_test 1.1 -1 0 $blob 10 { 0123456789.............................. }
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blob_write_test 1.2 -2 8 $blob 10 { ........0123456789...................... }
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blob_write_test 1.3 -3 8 $blob 1 { ........0............................... }
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blob_write_test 1.4 -4 18 $blob 22 { ..................0123456789012345678901 }
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blob_write_test 1.5 -5 18 $blob 0 { ........................................ }
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blob_write_test 1.6 -6 0 $blob 40 { 0123456789012345678901234567890123456789 }
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proc blob_write_error_test {tn B iOffset blob nData errcode errmsg} {
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# In cases where the underlying sqlite3_blob_write() function returns
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# SQLITE_OK, the Tcl wrapper returns an empty string. If the underlying
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# function returns an error, the Tcl wrapper throws an exception with
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# the error code as the Tcl exception message.
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#
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if {$errcode=="SQLITE_OK"} {
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set ret ""
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set isError 0
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} else {
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set ret $errcode
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set isError 1
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}
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set cmd [list sqlite3_blob_write $B $iOffset $blob $nData]
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uplevel [list do_test $tn.1 [subst -nocommands {
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list [catch {$cmd} msg] [set msg]
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}] [list $isError $ret]]
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# EVIDENCE-OF: R-34782-18311 Unless SQLITE_MISUSE is returned, this
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# function sets the database connection error code and message
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# accessible via sqlite3_errcode() and sqlite3_errmsg() and related
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# functions.
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#
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if {$errcode == "SQLITE_MISUSE"} { error "test proc misuse!" }
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uplevel [list do_test $tn.2 [list sqlite3_errcode db] $errcode]
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uplevel [list do_test $tn.3 [list sqlite3_errmsg db] $errmsg]
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}
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do_execsql_test 2.0 {
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CREATE TABLE t2(a TEXT, b INTEGER PRIMARY KEY);
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INSERT INTO t2 VALUES($dots, 43);
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INSERT INTO t2 VALUES($dots, 44);
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INSERT INTO t2 VALUES($dots, 45);
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}
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# EVIDENCE-OF: R-63341-57517 If the BLOB handle passed as the first
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# argument was not opened for writing (the flags parameter to
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# sqlite3_blob_open() was zero), this function returns SQLITE_READONLY.
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#
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sqlite3_blob_open db main t2 a 43 0 B
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blob_write_error_test 2.1 $B 0 $blob 10 \
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SQLITE_READONLY {attempt to write a readonly database}
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sqlite3_blob_close $B
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# EVIDENCE-OF: R-29804-27366 If offset iOffset is less than N bytes from
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# the end of the BLOB, SQLITE_ERROR is returned and no data is written.
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#
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sqlite3_blob_open db main t2 a 44 3 B
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blob_write_error_test 2.2.1 $B 31 $blob 10 \
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SQLITE_ERROR {SQL logic error}
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# Make a successful write to the blob handle. This shows that the
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# sqlite3_errcode() and sqlite3_errmsg() values are set even if the
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# blob_write() call succeeds (see requirement in the [blob_write_error_test]
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# proc).
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blob_write_error_test 2.2.1 $B 30 $blob 10 SQLITE_OK {not an error}
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# EVIDENCE-OF: R-58570-38916 If N or iOffset are less than zero
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# SQLITE_ERROR is returned and no data is written.
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#
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blob_write_error_test 2.2.2 $B 31 $blob -1 \
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SQLITE_ERROR {SQL logic error}
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blob_write_error_test 2.2.3 $B 20 $blob 10 SQLITE_OK {not an error}
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blob_write_error_test 2.2.4 $B -1 $blob 10 \
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SQLITE_ERROR {SQL logic error}
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sqlite3_blob_close $B
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# EVIDENCE-OF: R-20958-54138 An attempt to write to an expired BLOB
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# handle fails with an error code of SQLITE_ABORT.
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#
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do_test 2.3 {
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sqlite3_blob_open db main t2 a 43 0 B
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execsql { DELETE FROM t2 WHERE b=43 }
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} {}
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blob_write_error_test 2.3.1 $B 5 $blob 5 \
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SQLITE_ABORT {query aborted}
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do_test 2.3.2 {
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execsql { SELECT 1, 2, 3 }
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sqlite3_errcode db
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} {SQLITE_OK}
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blob_write_error_test 2.3.3 $B 5 $blob 5 \
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SQLITE_ABORT {query aborted}
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sqlite3_blob_close $B
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# EVIDENCE-OF: R-08382-59936 Writes to the BLOB that occurred before the
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# BLOB handle expired are not rolled back by the expiration of the
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# handle, though of course those changes might have been overwritten by
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# the statement that expired the BLOB handle or by other independent
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# statements.
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#
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# 3.1.*: not rolled back,
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# 3.2.*: overwritten.
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#
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do_execsql_test 3.0 {
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CREATE TABLE t3(i INTEGER PRIMARY KEY, j TEXT, k TEXT);
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INSERT INTO t3 VALUES(1, $dots, $dots);
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INSERT INTO t3 VALUES(2, $dots, $dots);
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SELECT * FROM t3 WHERE i=1;
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} {
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1
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........................................
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........................................
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}
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sqlite3_blob_open db main t3 j 1 1 B
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blob_write_error_test 3.1.1 $B 5 $blob 10 SQLITE_OK {not an error}
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do_execsql_test 3.1.2 {
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UPDATE t3 SET k = 'xyz' WHERE i=1;
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SELECT * FROM t3 WHERE i=1;
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} {
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1 .....0123456789......................... xyz
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}
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blob_write_error_test 3.1.3 $B 15 $blob 10 \
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SQLITE_ABORT {query aborted}
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sqlite3_blob_close $B
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do_execsql_test 3.1.4 {
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SELECT * FROM t3 WHERE i=1;
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} {
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1 .....0123456789......................... xyz
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}
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sqlite3_blob_open db main t3 j 2 1 B
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blob_write_error_test 3.2.1 $B 5 $blob 10 SQLITE_OK {not an error}
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do_execsql_test 3.2.2 {
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UPDATE t3 SET j = 'xyz' WHERE i=2;
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SELECT * FROM t3 WHERE i=2;
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} {
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2 xyz ........................................
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}
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blob_write_error_test 3.2.3 $B 15 $blob 10 \
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SQLITE_ABORT {query aborted}
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sqlite3_blob_close $B
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do_execsql_test 3.2.4 {
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SELECT * FROM t3 WHERE i=2;
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} {
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2 xyz ........................................
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}
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finish_test
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