#!/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 ltrim {
  SELECT ltrim('   Limbo    ');
} {"Limbo    "}

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

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

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

do_execsql_test ltrim-no-leading-whitespace {
  SELECT ltrim('Limbo');
} {Limbo}

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

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

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

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

do_execsql_test rtrim {
  SELECT rtrim('   Limbo    ');
} {"   Limbo"}

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

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

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

do_execsql_test rtrim-no-trailing-whitespace {
  SELECT rtrim('Limbo');
} {Limbo}

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

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

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

do_execsql_test rtrim-no-match-pattern {
  SELECT rtrim('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(-10,2,3)
} {-10}

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

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

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

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

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

do_execsql_test substr-3-args {
  SELECT substr('limbo', 1, 3);
} {lim}

do_execsql_test substr-3-args-exceed-length {
  SELECT substr('limbo', 1, 10);
} {limbo}

do_execsql_test substr-3-args-start-exceed-length {
  SELECT substr('limbo', 10, 3);
} {}

do_execsql_test substr-2-args {
  SELECT substr('limbo', 3);
} {mbo}

do_execsql_test substr-2-args-exceed-length {
  SELECT substr('limbo', 10);
} {}

do_execsql_test date-current-date {
  SELECT length(date('now')) = 10;
} {1}

do_execsql_test date-specific-date {
  SELECT date('2023-05-18');
} {2023-05-18}

do_execsql_test date-with-time {
  SELECT date('2023-05-18 15:30:45');
} {2023-05-18}

do_execsql_test date-iso8601 {
  SELECT date('2023-05-18T15:30:45');
} {2023-05-18}

do_execsql_test date-with-milliseconds {
  SELECT date('2023-05-18 15:30:45.123');
} {2023-05-18}

do_execsql_test date-julian-day-integer {
  SELECT date(2460082);
} {2023-05-17}

do_execsql_test date-julian-day-float {
  SELECT date(2460082.5);
} {2023-05-18}

do_execsql_test date-invalid-input {
  SELECT date('not a date');
} {{}}

do_execsql_test date-null-input {
  SELECT date(NULL);
} {{}}

do_execsql_test date-out-of-range {
  SELECT date('10001-01-01');
} {{}}

do_execsql_test date-time-only {
  SELECT date('15:30:45');
} {2000-01-01}

do_execsql_test date-with-timezone-utc {
  SELECT date('2023-05-18 15:30:45Z');
} {2023-05-18}

do_execsql_test date-with-timezone-positive {
  SELECT date('2023-05-18 23:30:45+02:00');
} {2023-05-18}

do_execsql_test date-with-timezone-negative {
  SELECT date('2023-05-19 01:30:45-05:00');
} {2023-05-19}

do_execsql_test date-with-timezone-day-change-positive {
  SELECT date('2023-05-18 23:30:45-03:00');
} {2023-05-19}

do_execsql_test date-with-timezone-day-change-negative {
  SELECT date('2023-05-19 01:30:45+03:00');
} {2023-05-18}

do_execsql_test date-with-timezone-iso8601 {
  SELECT date('2023-05-18T15:30:45+02:00');
} {2023-05-18}

do_execsql_test date-with-timezone-and-milliseconds {
  SELECT date('2023-05-18 15:30:45.123+02:00');
} {2023-05-18}

do_execsql_test date-with-invalid-timezone {
  SELECT date('2023-05-18 15:30:45+25:00');
} {{}}

do_execsql_test time-no-arg {
  SELECT length(time()) = 8;
} {1}

do_execsql_test time-current-time {
  SELECT length(time('now')) = 8;
} {1}

do_execsql_test time-specific-time {
  SELECT time('04:02:00');
} {04:02:00}

do_execsql_test time-of-datetime {
  SELECT time('2023-05-18 15:30:45');
} {15:30:45}

do_execsql_test time-iso8601 {
  SELECT time('2023-05-18T15:30:45');
} {15:30:45}

do_execsql_test time-with-milliseconds {
  SELECT time('2023-05-18 15:30:45.123');
} {15:30:45}

do_execsql_test time-julian-day-integer {
  SELECT time(2460082);
} {12:00:00}

do_execsql_test time-julian-day-float {
  SELECT time(2460082.2);
} {16:48:00}

do_execsql_test time-invalid-input {
  SELECT time('not a time');
} {{}}

do_execsql_test time-null-input {
  SELECT time(NULL);
} {{}}

do_execsql_test time-out-of-range {
  SELECT time('25:05:01');
} {{}}

do_execsql_test time-date-only {
  SELECT time('2024-02-02');
} {00:00:00}

do_execsql_test time-with-timezone-utc {
  SELECT time('2023-05-18 15:30:45Z');
} {15:30:45}

do_execsql_test time-with-timezone-positive {
  SELECT time('2023-05-18 23:30:45+07:00');
} {16:30:45}

do_execsql_test time-with-timezone-negative {
  SELECT time('2023-05-19 01:30:45-05:00');
} {06:30:45}

do_execsql_test time-with-timezone-day-change-positive {
  SELECT time('2023-05-18 23:30:45-03:00');
} {02:30:45}

do_execsql_test time-with-timezone-day-change-negative {
  SELECT time('2023-05-19 01:30:45+03:00');
} {22:30:45}

do_execsql_test time-with-timezone-iso8601 {
  SELECT time('2023-05-18T15:30:45+02:00');
} {13:30:45}

do_execsql_test time-with-timezone-and-milliseconds {
  SELECT time('2023-05-18 15:30:45.123+02:00');
} {13:30:45}

do_execsql_test time-with-invalid-timezone {
  SELECT time('2023-05-18 15:30:45+25:00');
} {{}}

do_execsql_test unicode-a {
  SELECT unicode('a');
} {97}

do_execsql_test unicode-emoji {
  SELECT unicode('😊');
} {128522}

do_execsql_test unicode-empty {
  SELECT unicode('');
} {}

do_execsql_test unicode-number {
  SELECT unicode(23);
} {50}

do_execsql_test unicode-float {
  SELECT unicode(23.45);
} {50}

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