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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@string_builder_test.erl
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gen/test/gleam@string_builder_test.erl 

-module(gleam@string_builder_test).

-compile(no_auto_import).



-export([string_builder_test/0, lowercase_test/0, uppercase_test/0, split_test/0, is_equal_test/0, is_empty_test/0]).



-spec string_builder_test() -> gleam@should:expectation().

string_builder_test() ->

    Data = gleam@string_builder:prepend(

        gleam@string_builder:append(

            gleam@string_builder:append(

                gleam@string_builder:from_string(<<"ello"/utf8>>),

                <<","/utf8>>

            ),

            <<" world!"/utf8>>

        ),

        <<"H"/utf8>>

    ),

    gleam@should:equal(

        gleam@string_builder:to_string(Data),

        <<"Hello, world!"/utf8>>

    ),

    gleam@should:equal(gleam@string_builder:byte_size(Data), 13),

    Data@1 = gleam@string_builder:prepend_builder(

        gleam@string_builder:append_builder(

            gleam@string_builder:append_builder(

                gleam@string_builder:from_string(<<"ello"/utf8>>),

                gleam@string_builder:from_string(<<","/utf8>>)

            ),

            gleam@string_builder:concat(

                [gleam@string_builder:from_string(<<" wo"/utf8>>),

                 gleam@string_builder:from_string(<<"rld!"/utf8>>)]

            )

        ),

        gleam@string_builder:from_string(<<"H"/utf8>>)

    ),

    gleam@should:equal(

        gleam@string_builder:to_string(Data@1),

        <<"Hello, world!"/utf8>>

    ),

    gleam@should:equal(gleam@string_builder:byte_size(Data@1), 13).



-spec lowercase_test() -> gleam@should:expectation().

lowercase_test() ->

    gleam@should:equal(

        gleam@string_builder:to_string(

            gleam@string_builder:lowercase(

                gleam@string_builder:from_strings(

                    [<<"Gleam"/utf8>>, <<"Gleam"/utf8>>]

                )

            )

        ),

        <<"gleamgleam"/utf8>>

    ).



-spec uppercase_test() -> gleam@should:expectation().

uppercase_test() ->

    gleam@should:equal(

        gleam@string_builder:to_string(

            gleam@string_builder:uppercase(

                gleam@string_builder:from_strings(

                    [<<"Gleam"/utf8>>, <<"Gleam"/utf8>>]

                )

            )

        ),

        <<"GLEAMGLEAM"/utf8>>

    ).



-spec split_test() -> gleam@should:expectation().

split_test() ->

    gleam@should:equal(

        gleam@string_builder:split(

            gleam@string_builder:from_string(<<"Gleam,Erlang,Elixir"/utf8>>),

            <<","/utf8>>

        ),

        [gleam@string_builder:from_string(<<"Gleam"/utf8>>),

         gleam@string_builder:from_string(<<"Erlang"/utf8>>),

         gleam@string_builder:from_string(<<"Elixir"/utf8>>)]

    ),

    gleam@should:equal(

        gleam@string_builder:split(

            gleam@string_builder:from_strings(

                [<<"Gleam, Erl"/utf8>>, <<"ang,Elixir"/utf8>>]

            ),

            <<", "/utf8>>

        ),

        [gleam@string_builder:from_string(<<"Gleam"/utf8>>),

         gleam@string_builder:from_strings(

             [<<"Erl"/utf8>>, <<"ang,Elixir"/utf8>>]

         )]

    ).



-spec is_equal_test() -> gleam@should:expectation().

is_equal_test() ->

    gleam@should:be_true(

        gleam@string_builder:is_equal(

            gleam@string_builder:from_string(<<"12"/utf8>>),

            gleam@string_builder:from_strings([<<"1"/utf8>>, <<"2"/utf8>>])

        )

    ),

    gleam@should:be_true(

        gleam@string_builder:is_equal(

            gleam@string_builder:from_string(<<"12"/utf8>>),

            gleam@string_builder:from_string(<<"12"/utf8>>)

        )

    ),

    gleam@should:be_false(

        gleam@string_builder:is_equal(

            gleam@string_builder:from_string(<<"12"/utf8>>),

            gleam@string_builder:from_string(<<"2"/utf8>>)

        )

    ).



-spec is_empty_test() -> gleam@should:expectation().

is_empty_test() ->

    gleam@should:be_true(

        gleam@string_builder:is_empty(

            gleam@string_builder:from_string(<<""/utf8>>)

        )

    ),

    gleam@should:be_false(

        gleam@string_builder:is_empty(

            gleam@string_builder:from_string(<<"12"/utf8>>)

        )

    ),

    gleam@should:be_true(

        gleam@string_builder:is_empty(gleam@string_builder:from_strings([]))

    ),

    gleam@should:be_true(

        gleam@string_builder:is_empty(

            gleam@string_builder:from_strings([<<""/utf8>>, <<""/utf8>>])

        )

    ).