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Add the "!" flag to the "%g" mprintf conversion parameter to force a

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decimal point.  This prevents floating point values from appearing as
integers.  Use this flag when converting floating point to text.
Ticket #1362. (CVS 2586)

FossilOrigin-Name: 4b98dace6b90abf4a6fe1cd51e6392fd213358c4
This commit is contained in:
drh
2005-08-13 12:59:14 +00:00
parent 592ac8cb6c
commit 557cc60f4d
7 changed files with 121 additions and 73 deletions
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27
test/printf.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the sqlite_*_printf() interface.
#
# $Id: printf.test,v 1.15 2005/08/13 03:07:47 drh Exp $
# $Id: printf.test,v 1.16 2005/08/13 12:59:16 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -180,5 +180,30 @@ do_test printf-10.3 {
sqlite3_mprintf_double {%d %d %f} 1 1 1e300
} {1 1 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.000000}
# The non-standard '!' flag on a 'g' conversion forces a decimal point
# and at least one digit on either side of the decimal point.
#
do_test printf-11.1 {
sqlite3_mprintf_double {%d %d %!g} 1 1 1
} {1 1 1.0}
do_test printf-11.2 {
sqlite3_mprintf_double {%d %d %!g} 1 1 123
} {1 1 123.0}
do_test printf-11.3 {
sqlite3_mprintf_double {%d %d %!g} 1 1 12.3
} {1 1 12.3}
do_test printf-11.4 {
sqlite3_mprintf_double {%d %d %!g} 1 1 0.123
} {1 1 0.123}
do_test printf-11.5 {
sqlite3_mprintf_double {%d %d %!.15g} 1 1 1
} {1 1 1.0}
do_test printf-11.6 {
sqlite3_mprintf_double {%d %d %!.15g} 1 1 1e10
} {1 1 10000000000.0}
do_test printf-11.7 {
sqlite3_mprintf_double {%d %d %!.15g} 1 1 1e300
} {1 1 1.0e+300}
finish_test