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gleam_stdlib

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A standard library for the Gleam programming language

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gleam_stdlib gen test gleam@regex_test.erl
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gen/test/gleam@regex_test.erl 

-module(gleam@regex_test).

-compile(no_auto_import).



-export([from_string_test/0, compile_test/0, check_test/0, split_test/0, scan_test/0]).



from_string_test() ->

    {ok, Re} = gleam@regex:from_string(<<"[0-9]"/utf8>>),

    gleam@should:equal(gleam@regex:check(Re, <<"abc123"/utf8>>), true),

    gleam@should:equal(gleam@regex:check(Re, <<"abcxyz"/utf8>>), false),

    {error, FromStringErr} = gleam@regex:from_string(<<"[0-9"/utf8>>),

    gleam@should:equal(

        FromStringErr,

        {compile_error, <<"missing terminating ] for character class"/utf8>>, 4}

    ).



compile_test() ->

    Options = {options, true, false},

    {ok, Re} = gleam@regex:compile(<<"[A-B]"/utf8>>, Options),

    gleam@should:equal(gleam@regex:check(Re, <<"abc123"/utf8>>), true),

    Options1 = {options, false, true},

    {ok, Re1} = gleam@regex:compile(<<"^[0-9]"/utf8>>, Options1),

    gleam@should:equal(gleam@regex:check(Re1, <<"abc\n123"/utf8>>), true).



check_test() ->

    {ok, Re} = gleam@regex:from_string(<<"^f.o.?"/utf8>>),

    gleam@should:equal(gleam@regex:check(Re, <<"foo"/utf8>>), true),

    gleam@should:equal(gleam@regex:check(Re, <<"boo"/utf8>>), false).



split_test() ->

    {ok, Re} = gleam@regex:from_string(<<" *, *"/utf8>>),

    gleam@should:equal(

        gleam@regex:split(Re, <<"foo,32, 4, 9  ,0"/utf8>>),

        [<<"foo"/utf8>>,

         <<"32"/utf8>>,

         <<"4"/utf8>>,

         <<"9"/utf8>>,

         <<"0"/utf8>>]

    ).



scan_test() ->

    {ok, Re} = gleam@regex:from_string(<<"Gl\\w+"/utf8>>),

    gleam@should:equal(

        gleam@regex:scan(Re, <<"!Gleam"/utf8>>),

        [{match, <<"Gleam"/utf8>>, 1, []}]

    ),

    gleam@should:equal(

        gleam@regex:scan(Re, <<"हGleam"/utf8>>),

        [{match, <<"Gleam"/utf8>>, 3, []}]

    ),

    gleam@should:equal(

        gleam@regex:scan(Re, <<"𐍈Gleam"/utf8>>),

        [{match, <<"Gleam"/utf8>>, 4, []}]

    ),

    {ok, Re1} = gleam@regex:from_string(<<"[oi]n a(.?) (\\w+)"/utf8>>),

    gleam@should:equal(

        gleam@regex:scan(Re1, <<"I am on a boat in a lake."/utf8>>),

        [{match, <<"on a boat"/utf8>>, 5, [none, {some, <<"boat"/utf8>>}]},

         {match, <<"in a lake"/utf8>>, 15, [none, {some, <<"lake"/utf8>>}]}]

    ).