# 2019-05-03 # # 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. # #*********************************************************************** # Tests to exercise the MEM_IntReal representation of Mem objects. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix intreal sqlite3_create_function db do_execsql_test 100 { SELECT intreal(5); } {5.0} do_execsql_test 110 { SELECT intreal(5)=5, 6=intreal(6); } {1 1} do_execsql_test 120 { SELECT intreal(7)=7.0, 8.0=intreal(8); } {1 1} do_execsql_test 130 { SELECT typeof(intreal(9)); } {real} do_execsql_test 140 { SELECT 'a'||intreal(11)||'z'; } {a11.0z} do_execsql_test 150 { SELECT max(1.0,intreal(2),3.0), max(1,intreal(2),3); } {3.0 3} do_execsql_test 160 { SELECT max(1.0,intreal(4),3.0), max(1,intreal(4),3); } {4.0 4.0} do_execsql_test 170 { SELECT max(1.0,intreal(2),intreal(3),4.0), max(1,intreal(2),intreal(3),4); } {4.0 4} do_execsql_test 180 { SELECT max(1.0,intreal(5),intreal(3),4.0), max(1,intreal(5),intreal(3),4); } {5.0 5.0} #------------------------------------------------------------------------- do_execsql_test 2.1 { CREATE TABLE t2(a REAL); INSERT INTO t2 VALUES( 836627109860825358 ); SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL); } {8.36} do_execsql_test 2.2 { CREATE INDEX i2 ON t2(a); SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL); } {8.36} do_execsql_test 2.3 { CREATE TABLE t0 (c0); CREATE TABLE t1 (c1 REAL); INSERT INTO t1(c1) VALUES (8366271098608253588); INSERT INTO t0(c0) VALUES ('a'); } set D [db one {SELECT c1 FROM t1}] do_execsql_test 2.4 { SELECT * FROM t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL)); } $D do_execsql_test 2.5 { SELECT * FROM t0, t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL)); } [list a $D] do_execsql_test 2.6 { SELECT * FROM t0, t1 WHERE ( t1.c1 >= CAST(8366271098608253588 AS REAL) AND t1.c1 <= CAST(8366271098608253588 AS REAL) ); } [list a $D] finish_test