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Merge branch 'units' of https://github.com/Alex-Jordan/pg into units
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| #!/usr/bin/env perl | ||
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| use Test2::V0 '!E', { E => 'EXISTS' }; | ||
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| die "PG_ROOT not found in environment.\n" unless $ENV{PG_ROOT}; | ||
| do "$ENV{PG_ROOT}/t/build_PG_envir.pl"; | ||
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| use lib "$ENV{PG_ROOT}/lib"; | ||
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| use Units qw(evaluate_units); | ||
| use Parser::Legacy::NumberWithUnits; | ||
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| loadMacros('parserNumberWithUnits.pl'); | ||
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| my $cubic_meter = NumberWithUnits(1, 'm^3'); | ||
| my $liter = NumberWithUnits(1, 'L'); | ||
| my $milliliter = NumberWithUnits(1, 'ml'); | ||
| my $deciliter = NumberWithUnits(1, 'dL'); | ||
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| subtest 'metric LaTeX output' => sub { | ||
| is $cubic_meter->TeX, '1\ {\rm m^{3}}', 'LaTeX output for 1 cubic meter'; | ||
| is $liter->TeX, '1\ {\rm L}', 'LaTeX output for 1 liter'; | ||
| is $deciliter->TeX, '1\ {\rm dL}', 'LaTeX output for 1 deciliter'; | ||
| is $milliliter->TeX, '1\ {\rm ml}', 'LaTeX output for 1 milliliter'; | ||
| }; | ||
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| subtest 'metric unit aliases' => sub { | ||
| is { evaluate_units('ml') }, { evaluate_units('cc') }, '1 mL = 1 cc'; | ||
| }; | ||
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| subtest 'metric volume conversion' => sub { | ||
| is multiply_by(1000, evaluate_units('L')), { evaluate_units('m^3') }, '1000 L = 1 m^3'; | ||
| is multiply_by(1000, evaluate_units('ml')), { evaluate_units('L') }, '1000 ml = 1 L'; | ||
| is multiply_by(10, evaluate_units('dL')), { evaluate_units('L') }, '10 dL = 1 L'; | ||
| }; | ||
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| my $gallon = NumberWithUnits(1, 'gal'); | ||
| my $quart = NumberWithUnits(1, 'qt'); | ||
| my $pint = NumberWithUnits(1, 'pt'); | ||
| my $cup = NumberWithUnits(1, 'cup'); | ||
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| subtest 'U.S. Units LaTeX output' => sub { | ||
| is $gallon->TeX, '1\ {\rm gal}', 'LaTeX output for 1 gallon'; | ||
| is $quart->TeX, '1\ {\rm qt}', 'LaTeX output for 1 quart'; | ||
| is $pint->TeX, '1\ {\rm pt}', 'LaTeX output for 1 pint'; | ||
| is $cup->TeX, '1\ {\rm cup}', 'LaTeX output for 1 cup'; | ||
| }; | ||
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| subtest 'metric unit aliases' => sub { | ||
| is { evaluate_units('cup') }, { evaluate_units('cups') }, 'cups alias'; | ||
| is { evaluate_units('pt') }, { evaluate_units('pint') }, 'pint alias'; | ||
| is { evaluate_units('pt') }, { evaluate_units('pints') }, 'pints alias'; | ||
| is { evaluate_units('qt') }, { evaluate_units('quart') }, 'quart alias'; | ||
| is { evaluate_units('qt') }, { evaluate_units('quarts') }, 'pint alias'; | ||
| is { evaluate_units('gallon') }, { evaluate_units('gal') }, 'gal alias'; | ||
| is { evaluate_units('gallon') }, { evaluate_units('gallons') }, 'gallons alias'; | ||
| }; | ||
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| subtest 'U.S. volume conversion' => sub { | ||
| is multiply_by(3.78541, evaluate_units('L')), { evaluate_units('gal') }, '3.785412 L = 1 gal'; | ||
| # Switch to check_score to do fuzzy comparison since cups/pints/quart/gallons are defined in | ||
| # terms of cubic meters. | ||
| is check_score(NumberWithUnits(2, 'cup'), $pint), 1, '2 cups = 1 pint'; | ||
| is check_score(NumberWithUnits(2, 'pint'), $quart), 1, '2 pints = 1 quart'; | ||
| is check_score(NumberWithUnits(4, 'quart'), $gallon), 1, '4 quarts = 1 gallon'; | ||
| }; | ||
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| sub multiply_by { | ||
| my ($conversion, %unit) = @_; | ||
| $unit{factor} *= $conversion; | ||
| return \%unit; | ||
| } | ||
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| done_testing(); |