172 lines
6.2 KiB
Erlang
172 lines
6.2 KiB
Erlang
-module(tokenizer_test).
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-include_lib("eunit/include/eunit.hrl").
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tokenize(String) ->
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{ok, _Line, _Column, Result} = elixir_tokenizer:tokenize(String, 1, []),
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Result.
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tokenize_error(String) ->
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{error, Error, _, _} = elixir_tokenizer:tokenize(String, 1, []),
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Error.
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type_test() ->
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[{number, {1, 1, 2}, 1}, {type_op, {1, 3, 5}, '::'}, {number, {1, 6, 7}, 3}] = tokenize("1 :: 3"),
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[{identifier, {1, 1, 5}, name},
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{'.', {1, 5, 6}},
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{paren_identifier, {1, 6, 8}, '::'},
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{'(', {1, 8, 9}},
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{number, {1, 9, 10}, 3},
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{')', {1, 10, 11}}] = tokenize("name.::(3)").
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arithmetic_test() ->
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[{number, {1, 1, 2}, 1}, {dual_op, {1, 3, 4}, '+'}, {number, {1, 5, 6}, 2}, {dual_op, {1, 7, 8}, '+'}, {number, {1, 9, 10}, 3}] = tokenize("1 + 2 + 3").
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op_kw_test() ->
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[{atom, {1, 1, 5}, foo}, {dual_op, {1, 5, 6}, '+'}, {atom, {1, 6, 10}, bar}] = tokenize(":foo+:bar").
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scientific_test() ->
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[{number, {1, 1, 7}, 0.1}] = tokenize("1.0e-1").
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hex_bin_octal_test() ->
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[{number, {1, 1, 5}, 255}] = tokenize("0xFF"),
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[{number, {1, 1, 5}, 255}] = tokenize("0xF_F"),
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[{number, {1, 1, 5}, 63}] = tokenize("0o77"),
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[{number, {1, 1, 5}, 63}] = tokenize("0o7_7"),
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[{number, {1, 1, 5}, 3}] = tokenize("0b11"),
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[{number, {1, 1, 5}, 3}] = tokenize("0b1_1").
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unquoted_atom_test() ->
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[{atom, {1, 1, 3}, '+'}] = tokenize(":+"),
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[{atom, {1, 1, 3}, '-'}] = tokenize(":-"),
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[{atom, {1, 1, 3}, '*'}] = tokenize(":*"),
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[{atom, {1, 1, 3}, '/'}] = tokenize(":/"),
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[{atom, {1, 1, 3}, '='}] = tokenize(":="),
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[{atom, {1, 1, 4}, '&&'}] = tokenize(":&&").
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quoted_atom_test() ->
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[{atom_unsafe, {1, 1, 11}, [<<"foo bar">>]}] = tokenize(":\"foo bar\"").
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oversized_atom_test() ->
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OversizedAtom = [$: | string:copies("a", 256)],
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{1, "atom length must be less than system limit", ":"} = tokenize_error(OversizedAtom).
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op_atom_test() ->
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[{atom, {1, 1, 6}, f0_1}] = tokenize(":f0_1").
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kw_test() ->
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[{kw_identifier, {1, 1, 4}, do}] = tokenize("do: "),
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[{kw_identifier, {1, 1, 4}, a@}] = tokenize("a@: "),
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[{kw_identifier, {1, 1, 4}, 'A@'}] = tokenize("A@: "),
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[{kw_identifier, {1, 1, 5}, a@b}] = tokenize("a@b: "),
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[{kw_identifier, {1, 1, 5}, 'A@!'}] = tokenize("A@!: "),
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[{kw_identifier, {1, 1, 5}, 'a@!'}] = tokenize("a@!: "),
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[{kw_identifier_unsafe, {1, 1, 10}, [<<"foo bar">>]}] = tokenize("\"foo bar\": ").
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integer_test() ->
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[{number, {1, 1, 4}, 123}] = tokenize("123"),
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[{number, {1, 1, 4}, 123}, {';', {1, 4, 5}}] = tokenize("123;"),
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[{eol, {1, 1, 2}}, {number, {3, 1, 4}, 123}] = tokenize("\n\n123"),
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[{number, {1, 3, 6}, 123}, {number, {1, 8, 11}, 234}] = tokenize(" 123 234 ").
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float_test() ->
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[{number, {1, 1, 5}, 12.3}] = tokenize("12.3"),
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[{number, {1, 1, 5}, 12.3}, {';', {1, 5, 6}}] = tokenize("12.3;"),
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[{eol, {1, 1, 2}}, {number, {3, 1, 5}, 12.3}] = tokenize("\n\n12.3"),
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[{number, {1, 3, 7}, 12.3}, {number, {1, 9, 13}, 23.4}] = tokenize(" 12.3 23.4 ").
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comments_test() ->
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[{number, {1, 1, 2}, 1}, {eol, {1, 3, 4}}, {number, {2, 1, 2}, 2}] = tokenize("1 # Comment\n2").
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identifier_test() ->
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[{identifier, {1, 1, 4}, abc}] = tokenize("abc "),
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[{identifier, {1, 1, 5}, 'abc?'}] = tokenize("abc?"),
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[{identifier, {1, 1, 5}, 'abc!'}] = tokenize("abc!"),
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[{identifier, {1, 1, 5}, 'a0c!'}] = tokenize("a0c!"),
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[{paren_identifier, {1, 1, 4}, 'a0c'}, {'(', {1, 4, 5}}, {')', {1, 5, 6}}] = tokenize("a0c()"),
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[{paren_identifier, {1, 1, 5}, 'a0c!'}, {'(', {1, 5, 6}}, {')', {1, 6, 7}}] = tokenize("a0c!()").
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module_macro_test() ->
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[{identifier, {1, 1, 11}, '__MODULE__'}] = tokenize("__MODULE__").
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triple_dot_test() ->
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[{identifier, {1, 1, 4}, '...'}] = tokenize("..."),
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[{'.', {1, 1, 2}}, {identifier, {1, 3, 5}, '..'}] = tokenize(". ..").
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dot_test() ->
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[{identifier, {1, 1, 4}, foo},
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{'.', {1, 4, 5}},
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{identifier, {1, 5, 8}, bar},
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{'.', {1, 8, 9}},
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{identifier, {1, 9, 12}, baz}] = tokenize("foo.bar.baz").
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dot_keyword_test() ->
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[{identifier, {1, 1, 4}, foo},
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{'.', {1, 4, 5}},
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{identifier, {1, 5, 7}, do}] = tokenize("foo.do").
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newline_test() ->
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[{identifier, {1, 1, 4}, foo},
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{'.', {2, 1, 2}},
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{identifier, {2, 2, 5}, bar}] = tokenize("foo\n.bar"),
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[{number, {1, 1, 2}, 1},
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{two_op, {2, 1, 3}, '++'},
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{number, {2, 3, 4}, 2}] = tokenize("1\n++2").
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dot_newline_operator_test() ->
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[{identifier, {1, 1, 4}, foo},
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{'.', {2, 4, 5}},
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{identifier, {2, 1, 2}, '+'},
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{number, {2, 2, 3}, 1}] = tokenize("foo.\n+1"),
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[{identifier, {1, 1, 4}, foo},
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{'.', {2, 4, 5}},
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{identifier, {2, 1, 2}, '+'},
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{number, {2, 2, 3}, 1}] = tokenize("foo.#bar\n+1").
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aliases_test() ->
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[{'aliases', {1, 1, 4}, ['Foo']}] = tokenize("Foo"),
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[{'aliases', {1, 1, 4}, ['Foo']},
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{'.', {1, 4, 5}},
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{'aliases', {1, 5, 8}, ['Bar']},
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{'.', {1, 8, 9}},
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{'aliases', {1, 9, 12}, ['Baz']}] = tokenize("Foo.Bar.Baz").
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string_test() ->
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[{bin_string, {1, 1, 6}, [<<"foo">>]}] = tokenize("\"foo\""),
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[{bin_string, {1, 1, 6}, [<<"f\"">>]}] = tokenize("\"f\\\"\""),
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[{list_string, {1, 1, 6}, [<<"foo">>]}] = tokenize("'foo'").
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empty_string_test() ->
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[{bin_string, {1, 1, 3}, [<<>>]}] = tokenize("\"\""),
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[{list_string, {1, 1, 3}, [<<>>]}] = tokenize("''").
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addadd_test() ->
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[{identifier, {1, 1, 2}, x}, {two_op, {1, 3, 5}, '++'}, {identifier, {1, 6, 7}, y}] = tokenize("x ++ y").
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space_test() ->
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[{op_identifier, {1, 1, 4}, foo}, {dual_op, {1, 5, 6}, '-'}, {number, {1, 6, 7}, 2}] = tokenize("foo -2"),
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[{op_identifier, {1, 1, 4}, foo}, {dual_op, {1, 6, 7}, '-'}, {number, {1, 7, 8}, 2}] = tokenize("foo -2").
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chars_test() ->
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[{char, {1, 1, 3}, 97}] = tokenize("?a"),
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[{char, {1, 1, 3}, 99}] = tokenize("?c"),
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[{char, {1, 1, 4}, 0}] = tokenize("?\\0"),
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[{char, {1, 1, 4}, 7}] = tokenize("?\\a"),
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[{char, {1, 1, 4}, 10}] = tokenize("?\\n"),
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[{char, {1, 1, 4}, 92}] = tokenize("?\\\\").
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interpolation_test() ->
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[{bin_string, {1, 1, 9}, [<<"f">>,
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{{1, 3, 8}, [{identifier, {1, 5, 7}, oo}]}]},
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{two_op, {1, 10, 12}, '<>'}, {bin_string, {1, 13, 15},
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[<<>>]}] = tokenize("\"f#{oo}\" <> \"\"").
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capture_test() ->
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[{capture_op, {1, 1, 2}, '&'},
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{identifier, {1, 2, 4}, '||'},
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{mult_op, {1, 4, 5}, '/'},
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{number, {1, 5, 6}, 2}] = tokenize("&||/2"),
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[{capture_op, {1, 1, 2}, '&'},
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{identifier, {1, 2, 4}, 'or'},
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{mult_op, {1, 4, 5}, '/'},
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{number, {1, 5, 6}, 2}] = tokenize("&or/2").
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