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Clarify documentation on the return value from sqlite3_column_blob() for

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a zero-length BLOB.  Clarify the documentation on what happens when you
have a zeroblob() with a negative length.  Additional test cases but no
changes to code.  Ticket #2623. (CVS 4395)

FossilOrigin-Name: 63ca02a5b2700858f0eceadc9b58b942d473b191
This commit is contained in:
drh
2007-09-04 12:18:41 +00:00
parent 79491ab85d
commit c0b3abb276
4 changed files with 24 additions and 12 deletions
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10
test/zeroblob.test
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@@ -13,7 +13,7 @@
# including the sqlite3_bind_zeroblob(), sqlite3_result_zeroblob(),
# and the built-in zeroblob() SQL function.
#
# $Id: zeroblob.test,v 1.8 2007/09/01 16:16:16 danielk1977 Exp $
# $Id: zeroblob.test,v 1.9 2007/09/04 12:18:42 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -174,7 +174,13 @@ do_test zeroblob-6.4 {
} {1 {string or blob too big}}
do_test zeroblob-6.5 {
catchsql {select zeroblob(2147483648)}
} {1 {string or blob too big}}
} {1 {string or blob too big}}
do_test zeroblob-6.6 {
execsql {select hex(zeroblob(-1))}
} {{}}
do_test zeroblob-6.7 {
execsql {select typeof(zeroblob(-1))}
} {blob}
# Test bind_zeroblob()
#