# 2014-06-16
#
# 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 tests for various small extensions.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix extension01

load_static_extension db fileio
do_test 1.0 {
  forcedelete file1.txt
  set out [open ./file1.txt wb]
  puts -nonewline $out "This is a text file without a line ending"
  close $out
  db eval {
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
    INSERT INTO t1 VALUES(1, readfile('./file1.txt'));
    SELECT * FROM t1;
  }
} {1 {This is a text file without a line ending}}
do_test 1.1 {
  forcedelete file2.txt
  db nullvalue nil
  db eval {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(2, readfile(NULL)),(3, readfile('file2.txt'));
    SELECT a, b, typeof(b) FROM t1;
  }
} {2 nil null 3 nil null}

do_test 1.2 {
  db eval {
    SELECT writefile('./file2.txt', 'A second test line');
  }
} {18}
do_test 1.3 {
  set in [open ./file2.txt rb]
  set x [read $in]
  close $in
  list $x [file size file2.txt]
} {{A second test line} 18}

do_test 1.4 {
  db eval {
    SELECT writefile('./file2.txt', NULL);
  }
} {0}
do_test 1.5 {
  file size ./file2.txt
} {0}

do_test 1.6 {
  if {$::tcl_platform(platform)=="unix"} {
    file attributes ./file2.txt -permissions r--r--r--
  } else {
    file attributes ./file2.txt -readonly 1
  }
  db eval {
    SELECT writefile('./file2.txt', 'Another test');
  }
} {nil}
do_test 1.7 {
  if {$::tcl_platform(platform)=="unix"} {
    file attributes ./file2.txt -permissions rw-r--r--
  } else {
    file attributes ./file2.txt -readonly 0
  }
  db eval {
    SELECT writefile(NULL, 'Another test');
  }
} {nil}

finish_test