sqlite/test/shell7.test

# 2016 December 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.
#
#***********************************************************************
# TESTRUNNER: shell
#
# Test the readfile() function built into the shell tool. Specifically,
# that it does not truncate the blob read at the first embedded 0x00
# byte.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix shell7
set CLI [test_find_cli]


do_execsql_test 1.0 { 
  CREATE TABLE f1(tn INTEGER PRIMARY KEY, x BLOB); 
  CREATE TABLE f2(tn INTEGER PRIMARY KEY, x BLOB); 

  INSERT INTO f1 VALUES(1, X'01020304');
  INSERT INTO f1 VALUES(2, X'01000304');
  INSERT INTO f1 VALUES(3, randomblob(200));
}

foreach {tn l x} [db eval { SELECT tn, length(x) AS l, x FROM f1 }] {
  forcedelete shell7_test.bin
  set fd [open shell7_test.bin w]
  fconfigure $fd -translation binary
  puts -nonewline $fd $x
  close $fd

  do_test 1.$tn.1 { file size shell7_test.bin } $l
  do_test 1.$tn.2 { 
    catchcmd test.db "INSERT INTO f2 VALUES($tn, readfile('shell7_test.bin'));"
  } {0 {}}

  do_execsql_test 1.$tn.3 { 
    SELECT (SELECT x FROM f1 WHERE tn=1)==(SELECT x FROM f2 WHERE tn=1)
  } {1}
}

#--------------------------------------------------------------------------
# Test that <https://sqlite.org/bugs/forumpost/e94b3920a3> is resolved.
#
if {[catch {db eval { SELECT * FROM dbstat }} msg]==0} {
  do_execsql_test 2.0 {
    CREATE TABLE t1(a, b);
    CREATE INDEX i1 ON t1(b);
    INSERT INTO t1 VALUES(1, 1), (2, 2);
  }

  do_test 2.1 {
    catchcmd test.db "SELECT length( diskused('main') ) > 1000"
  } {0 1}

  do_execsql_test 2.2 {
    CREATE TABLE "t2_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q"(a, b);
    INSERT INTO  "t2_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q" VALUES(10, 10), (20, 20);
    CREATE INDEX i2 ON "t2_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q_%q"(b);
  }

  do_test 2.3 {
    catchcmd test.db "SELECT length( diskused('main') ) > 1000"
  } {0 1}

  # https://sqlite.org/bugs/info/23d77b5d47908a41
  # Very small percentages should not be shown in exponential notation.
  #
  do_test 2.4 {
    forcedelete test2.db
    sqlite3 db2 test2.db
    db2 eval {
      PRAGMA auto_vacuum=OFF;
      PRAGMA page_size=4096;
      CREATE TABLE t1(x);
      INSERT INTO t1 VALUES(zeroblob(30000000));
      DELETE FROM t1;
      INSERT INTO t1 VALUES('x');
    }
    db2 close
    set res [catchcmd test2.db ".diskused"]
    list [lindex $res 0] [regexp {e-0} [lindex $res 1]] \
         [regexp {<0\.0001%} [lindex $res 1]]
  } {0 0 1}
  forcedelete test2.db
}

finish_test