#!/usr/bin/env tclsh

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

do_execsql_test abs {
    select abs(1);
} {1}

do_execsql_test abs-negative {
    select abs(-1);
} {1}

do_execsql_test abs-char {
    select abs('a');
} {0.0}

do_execsql_test abs-null {
    select abs(null);
} {}

do_execsql_test upper {
  select upper('Limbo')
} {LIMBO}

do_execsql_test upper-number {
  select upper(1)
} {1}

do_execsql_test upper-char {
  select upper('a')
} {A}

do_execsql_test upper-null {
  select upper(null)
} {}

do_execsql_test lower {
  select lower('Limbo')
} {limbo}

do_execsql_test lower-number {
  select lower(1)
} {1}

do_execsql_test lower-char {
  select lower('A')
} {a}

do_execsql_test lower-null {
  select lower(null)
} {}

do_execsql_test trim {
  SELECT trim('   Limbo    ');
} {Limbo}

do_execsql_test trim-number {
  SELECT trim(1);
} {1}

do_execsql_test trim-null {
  SELECT trim(null);
} {}

do_execsql_test trim-leading-whitespace {
  SELECT trim('   Leading');
} {Leading}

do_execsql_test trim-trailing-whitespace {
  SELECT trim('Trailing   ');
} {Trailing}

do_execsql_test trim-pattern {
  SELECT trim('Limbo', 'Limbo');
} {}

do_execsql_test trim-pattern-number {
  SELECT trim(1, '1');
} {}

do_execsql_test trim-pattern-null {
  SELECT trim(null, 'null');
} {}

do_execsql_test trim-no-match-pattern {
  SELECT trim('Limbo', 'xyz');
} {Limbo}

do_execsql_test round-float-no-precision {
  SELECT round(123.456);
} {123.0}

do_execsql_test round-float-with-precision {
  SELECT round(123.456, 2);
} {123.46}

do_execsql_test round-float-with-text-precision {
  SELECT round(123.5, '1');
} {123.5}

do_execsql_test round-text-parsable {
  SELECT round('123.456', 2);
} {123.46}

do_execsql_test round-text-non-parsable {
  SELECT round('abc', 1);
} {0.0}

do_execsql_test round-integer-with-precision {
  SELECT round(123, 1);
} {123.0}

do_execsql_test round-float-negative-precision {
  SELECT round(123.456, -1);
} {123.0}

do_execsql_test round-float-zero-precision {
  SELECT round(123.456, 0);
} {123.0}

do_execsql_test round-null-precision {
  SELECT round(123.456, null);
} {}

do_execsql_test length-text {
  SELECT length('limbo');
} {5}

do_execsql_test length-integer {
  SELECT length(12345);
} {5}

do_execsql_test length-float {
  SELECT length(123.456);
} {7}

do_execsql_test length-null {
  SELECT length(NULL);
} {}

do_execsql_test length-empty-text {
  SELECT length('');
} {0}
do_execsql_test min-number {
  select min_arr(-10,2,3)
} {-10}

do_execsql_test min-str {
  select min_arr('b','a','z')
} {a}

do_execsql_test min-null {
  select min_arr(null,null)
} {}

do_execsql_test max-number {
  select max_arr(-10,2,3)
} {3}

do_execsql_test max-str {
  select max_arr('b','a','z')
} {z}

do_execsql_test max-null {
  select max_arr(null,null)
} {}