turso/testing/scalar-functions.test

#!/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}