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| 1 | +#!/usr/bin/env perl |
| 2 | + |
| 3 | +use Test2::V0 '!E', { E => 'EXISTS' }; |
| 4 | + |
| 5 | +die "PG_ROOT not found in environment.\n" unless $ENV{PG_ROOT}; |
| 6 | +do "$ENV{PG_ROOT}/t/build_PG_envir.pl"; |
| 7 | + |
| 8 | +use lib "$ENV{PG_ROOT}/lib"; |
| 9 | + |
| 10 | +use Units qw(evaluate_units); |
| 11 | +use Parser::Legacy::NumberWithUnits; |
| 12 | + |
| 13 | +loadMacros('parserNumberWithUnits.pl'); |
| 14 | + |
| 15 | +my $cubic_meter = NumberWithUnits(1, 'm^3'); |
| 16 | +my $liter = NumberWithUnits(1, 'L'); |
| 17 | +my $milliliter = NumberWithUnits(1, 'ml'); |
| 18 | +my $deciliter = NumberWithUnits(1, 'dL'); |
| 19 | + |
| 20 | +subtest 'metric LaTeX output' => sub { |
| 21 | + is $cubic_meter->TeX, '1\ {\rm m^{3}}', 'LaTeX output for 1 cubic meter'; |
| 22 | + is $liter->TeX, '1\ {\rm L}', 'LaTeX output for 1 liter'; |
| 23 | + is $deciliter->TeX, '1\ {\rm dL}', 'LaTeX output for 1 deciliter'; |
| 24 | + is $milliliter->TeX, '1\ {\rm ml}', 'LaTeX output for 1 milliliter'; |
| 25 | +}; |
| 26 | + |
| 27 | +subtest 'metric unit aliases' => sub { |
| 28 | + is { evaluate_units('ml') }, { evaluate_units('cc') }, '1 mL = 1 cc'; |
| 29 | +}; |
| 30 | + |
| 31 | +subtest 'metric volume conversion' => sub { |
| 32 | + is multiply_by(1000, evaluate_units('L')), { evaluate_units('m^3') }, '1000 L = 1 m^3'; |
| 33 | + is multiply_by(1000, evaluate_units('ml')), { evaluate_units('L') }, '1000 ml = 1 L'; |
| 34 | + is multiply_by(10, evaluate_units('dL')), { evaluate_units('L') }, '10 dL = 1 L'; |
| 35 | +}; |
| 36 | + |
| 37 | +my $gallon = NumberWithUnits(1, 'gal'); |
| 38 | +my $quart = NumberWithUnits(1, 'qt'); |
| 39 | +my $pint = NumberWithUnits(1, 'pt'); |
| 40 | +my $cup = NumberWithUnits(1, 'cup'); |
| 41 | + |
| 42 | +subtest 'U.S. Units LaTeX output' => sub { |
| 43 | + is $gallon->TeX, '1\ {\rm gal}', 'LaTeX output for 1 gallon'; |
| 44 | + is $quart->TeX, '1\ {\rm qt}', 'LaTeX output for 1 quart'; |
| 45 | + is $pint->TeX, '1\ {\rm pt}', 'LaTeX output for 1 pint'; |
| 46 | + is $cup->TeX, '1\ {\rm cup}', 'LaTeX output for 1 cup'; |
| 47 | +}; |
| 48 | + |
| 49 | +subtest 'metric unit aliases' => sub { |
| 50 | + is { evaluate_units('cup') }, { evaluate_units('cups') }, 'cups alias'; |
| 51 | + is { evaluate_units('pt') }, { evaluate_units('pint') }, 'pint alias'; |
| 52 | + is { evaluate_units('pt') }, { evaluate_units('pints') }, 'pints alias'; |
| 53 | + is { evaluate_units('qt') }, { evaluate_units('quart') }, 'quart alias'; |
| 54 | + is { evaluate_units('qt') }, { evaluate_units('quarts') }, 'pint alias'; |
| 55 | + is { evaluate_units('gallon') }, { evaluate_units('gal') }, 'gal alias'; |
| 56 | + is { evaluate_units('gallon') }, { evaluate_units('gallons') }, 'gallons alias'; |
| 57 | +}; |
| 58 | + |
| 59 | +subtest 'U.S. volume conversion' => sub { |
| 60 | + is multiply_by(3.78541, evaluate_units('L')), { evaluate_units('gal') }, '3.785412 L = 1 gal'; |
| 61 | + # Switch to check_score to do fuzzy comparison since cups/pints/quart/gallons are defined in |
| 62 | + # terms of cubic meters. |
| 63 | + is check_score(NumberWithUnits(2, 'cup'), $pint), 1, '2 cups = 1 pint'; |
| 64 | + is check_score(NumberWithUnits(2, 'pint'), $quart), 1, '2 pints = 1 quart'; |
| 65 | + is check_score(NumberWithUnits(4, 'quart'), $gallon), 1, '4 quarts = 1 gallon'; |
| 66 | +}; |
| 67 | + |
| 68 | +sub multiply_by { |
| 69 | + my ($conversion, %unit) = @_; |
| 70 | + $unit{factor} *= $conversion; |
| 71 | + return \%unit; |
| 72 | +} |
| 73 | + |
| 74 | +done_testing(); |
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