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+# 2013-12-17
+#
+# 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.  The
+# focus of this file is testing the printf() SQL function.
+#
+#
+# EVIDENCE-OF: R-32560-14372 The format(FORMAT,...) SQL function works
+# like the sqlite3_mprintf() C-language function and the printf()
+# function from the standard C library.
+#
+# EVIDENCE-OF: R-64900-53159 The printf() SQL function is an alias for
+# the format() SQL function.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# EVIDENCE-OF: R-40086-60101 If the FORMAT argument is missing or NULL
+# then the result is NULL.
+#
+do_execsql_test printf2-1.1 {
+  SELECT quote(format()), quote(format(NULL,1,2,3));
+} {NULL NULL}
+
+
+do_execsql_test printf2-1.2 {
+  SELECT printf('hello');
+} {hello}
+do_execsql_test printf2-1.3 {
+  SELECT format('%d,%d,%d',55,-11,3421);
+} {55,-11,3421}
+do_execsql_test printf2-1.4 {
+  SELECT printf('%d,%d,%d',55,'-11',3421);
+} {55,-11,3421}
+do_execsql_test printf2-1.5 {
+  SELECT format('%d,%d,%d,%d',55,'-11',3421);
+} {55,-11,3421,0}
+do_execsql_test printf2-1.6 {
+  SELECT printf('%.2f',3.141592653);
+} {3.14}
+do_execsql_test printf2-1.7 {
+  SELECT format('%.*f',2,3.141592653);
+} {3.14}
+do_execsql_test printf2-1.8 {
+  SELECT printf('%*.*f',5,2,3.141592653);
+} {{ 3.14}}
+do_execsql_test printf2-1.9 {
+  SELECT format('%d',314159.2653);
+} {314159}
+do_execsql_test printf2-1.10 {
+  SELECT printf('%lld',314159.2653);
+} {314159}
+do_execsql_test printf2-1.11 {
+  SELECT format('%lld%n',314159.2653,'hi');
+} {314159}
+do_execsql_test printf2-1.12 {
+  SELECT printf('%n',0);
+} {{}}
+
+# EVIDENCE-OF: R-17002-27534 The %z format is interchangeable with %s.
+#
+do_execsql_test printf2-1.12 {
+  SELECT format('%.*z',5,'abcdefghijklmnop');
+} {abcde}
+do_execsql_test printf2-1.13 {
+  SELECT printf('%c','abcdefghijklmnop');
+} {a}
+
+# EVIDENCE-OF: R-02347-27622 The %n format is silently ignored and does
+# not consume an argument.
+#
+do_execsql_test printf2-2.1 {
+  CREATE TABLE t1(a,b,c);
+  INSERT INTO t1 VALUES(1,2,3);
+  INSERT INTO t1 VALUES(-1,-2,-3);
+  INSERT INTO t1 VALUES('abc','def','ghi');
+  INSERT INTO t1 VALUES(1.5,2.25,3.125);
+  SELECT printf('(%s)-%n-(%s)',a,b,c) FROM t1 ORDER BY rowid;
+} {(1)--(2) (-1)--(-2) (abc)--(def) (1.5)--(2.25)}
+
+# EVIDENCE-OF: R-56064-04001 The %p format is an alias for %X.
+#
+do_execsql_test printf2-2.2 {
+  SELECT printf('%s=(%p)',a,a) FROM t1 ORDER BY a;
+} {-1=(FFFFFFFFFFFFFFFF) 1=(1) 1.5=(1) abc=(0)}
+
+# EVIDENCE-OF: R-29410-53018 If there are too few arguments in the
+# argument list, missing arguments are assumed to have a NULL value,
+# which is translated into 0 or 0.0 for numeric formats or an empty
+# string for %s.
+#
+do_execsql_test printf2-2.3 {
+  SELECT printf('%s=(%d/%g/%s)',a) FROM t1 ORDER BY a;
+} {-1=(0/0/) 1=(0/0/) 1.5=(0/0/) abc=(0/0/)}
+
+# The precision of the %c conversion causes the character to repeat.
+#
+do_execsql_test printf2-3.1 {
+  SELECT printf('|%110.100c|','*');
+} {{|          ****************************************************************************************************|}}
+do_execsql_test printf2-3.2 {
+  SELECT printf('|%-110.100c|','*');
+} {{|****************************************************************************************************          |}}
+do_execsql_test printf2-3.3 {
+  SELECT printf('|%9.8c|%-9.8c|','*','*');
+} {{| ********|******** |}}
+do_execsql_test printf2-3.4 {
+  SELECT printf('|%8.8c|%-8.8c|','*','*');
+} {|********|********|}
+do_execsql_test printf2-3.5 {
+  SELECT printf('|%7.8c|%-7.8c|','*','*');
+} {|********|********|}
+
+# The "," separator
+do_execsql_test printf2-4.1 {
+  SELECT printf('|%,d|%,d|',0,-1);
+} {|0|-1|}
+do_execsql_test printf2-4.2 {
+  SELECT printf('|%,d|%,d|',12,-12);
+} {|12|-12|}
+do_execsql_test printf2-4.3 {
+  SELECT printf('|%,d|%,d|',123,-123);
+} {|123|-123|}
+do_execsql_test printf2-4.4 {
+  SELECT printf('|%,d|%,d|',1234,-1234);
+} {|1,234|-1,234|}
+do_execsql_test printf2-4.5 {
+  SELECT printf('|%,d|%,d|',12345,-12345);
+} {|12,345|-12,345|}
+do_execsql_test printf2-4.6 {
+  SELECT printf('|%,d|%,d|',123456,-123456);
+} {|123,456|-123,456|}
+do_execsql_test printf2-4.7 {
+  SELECT printf('|%,d|%,d|',1234567,-1234567);
+} {|1,234,567|-1,234,567|}
+do_execsql_test printf2-4.8 {
+  SELECT printf('|%,d|%,d|',12345678,-12345678);
+} {|12,345,678|-12,345,678|}
+do_execsql_test printf2-4.9 {
+  SELECT printf('|%,d|%,d|',123456789,-123456789);
+} {|123,456,789|-123,456,789|}
+do_execsql_test printf2-4.10 {
+  SELECT printf('|%,d|%,d|',1234567890,-1234567890);
+} {|1,234,567,890|-1,234,567,890|}
+
+# 2018-02-19.  Unicode characters with %c
+do_execsql_test printf2-5.100 {
+  SELECT printf('(%8c)',char(11106));
+} {{(       ⭢)}}
+do_execsql_test printf2-5.101 {
+  SELECT printf('(%-8c)',char(11106));
+} {{(⭢       )}}
+do_execsql_test printf2-5.102 {
+  SELECT printf('(%5.3c)',char(1492));
+} {{(  ההה)}}
+do_execsql_test printf2-5.103 {
+  SELECT printf('(%-5.3c)',char(1492));
+} {{(ההה  )}}
+do_execsql_test printf2-5.104 {
+  SELECT printf('(%3.3c)',char(1492));
+} {{(ההה)}}
+do_execsql_test printf2-5.105 {
+  SELECT printf('(%-3.3c)',char(1492));
+} {{(ההה)}}
+do_execsql_test printf2-5.104 {
+  SELECT printf('(%2c)',char(1513));
+} {{( ש)}}
+do_execsql_test printf2-5.106 {
+  SELECT printf('(%-2c)',char(1513));
+} {{(ש )}}
+
+# 2018-02-19.  Unicode characters with the "!" flag in %s and friends.
+do_execsql_test printf2-6.100 {
+  SELECT printf('(%!.3s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {(הנה)}
+do_execsql_test printf2-6.101 {
+  SELECT printf('(%.6s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {(הנה)}
+do_execsql_test printf2-6.102 {
+  SELECT printf('(%!5.3s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(  הנה)}}
+do_execsql_test printf2-6.103 {
+  SELECT printf('(%8.6s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(  הנה)}}
+do_execsql_test printf2-6.104 {
+  SELECT printf('(%!-5.3s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(הנה  )}}
+do_execsql_test printf2-6.105 {
+  SELECT printf('(%-8.6s)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(הנה  )}}
+do_execsql_test printf2-6.106 {
+  SELECT printf('(%!.3Q)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {('הנה')}
+do_execsql_test printf2-6.107 {
+  SELECT printf('(%.6Q)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {('הנה')}
+do_execsql_test printf2-6.108 {
+  SELECT printf('(%!7.3Q)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(  'הנה')}}
+do_execsql_test printf2-6.109 {
+  SELECT printf('(%10.6Q)','הנה מה־טוב ומה־נעים שבת אחים גם־יחד');
+} {{(  'הנה')}}
+
+
+finish_test