-module(string_test). -include("../../src/elixir.hrl"). -include_lib("eunit/include/eunit.hrl"). eval(Content) -> Quoted = elixir:'string_to_quoted!'(Content, 1, 1, <<"nofile">>, []), {Value, Binding, _} = elixir:eval_forms(Quoted, [], elixir:env_for_eval([])), {Value, Binding}. extract_interpolations(String) -> case elixir_interpolation:extract(1, 1, #elixir_tokenizer{}, true, String ++ [$"], $") of {error, Error} -> Error; {_, _, Parts, _, _} -> Parts end. % Interpolations extract_interpolations_without_interpolation_test() -> ["foo"] = extract_interpolations("foo"). extract_interpolations_with_escaped_interpolation_test() -> ["f\\#{o}o"] = extract_interpolations("f\\#{o}o"), {1, 10, ["f\\#{o}o"], [], _} = elixir_interpolation:extract(1, 2, #elixir_tokenizer{}, true, "f\\#{o}o\"", $"). extract_interpolations_with_interpolation_test() -> ["f", {{1, 2, nil}, {1, 6, nil}, [{atom, {1, 4, _}, o}]}, "o"] = extract_interpolations("f#{:o}o"). extract_interpolations_with_two_interpolations_test() -> ["f", {{1, 2, nil}, {1, 6, nil}, [{atom, {1, 4, _}, o}]}, {{1, 7, nil}, {1, 11, nil}, [{atom, {1, 9, _}, o}]}, "o"] = extract_interpolations("f#{:o}#{:o}o"). extract_interpolations_with_only_two_interpolations_test() -> [{{1, 1, nil}, {1, 5, nil}, [{atom, {1, 3, _}, o}]}, {{1, 6, nil}, {1, 10, nil}, [{atom, {1, 8, _}, o}]}] = extract_interpolations("#{:o}#{:o}"). extract_interpolations_with_tuple_inside_interpolation_test() -> ["f", {{1, 2, nil}, {1, 7, nil}, [{'{', {1, 4, nil}}, {int, {1, 5, 1}, "1"}, {'}', {1, 6, nil}}]}, "o"] = extract_interpolations("f#{{1}}o"). extract_interpolations_with_many_expressions_inside_interpolation_test() -> ["f", {{1, 2, nil}, {2, 2, nil}, [{int, {1, 4, 1}, "1"}, {eol, {1, 5, 1}}, {int, {2, 1, 2}, "2"}]}, "o"] = extract_interpolations("f#{1\n2}o"). extract_interpolations_with_right_curly_inside_string_inside_interpolation_test() -> ["f", {{1, 2, nil}, {1, 9, nil}, [{bin_string, {1, 4, nil}, [<<"f}o">>]}]}, "o"] = extract_interpolations("f#{\"f}o\"}o"). extract_interpolations_with_left_curly_inside_string_inside_interpolation_test() -> ["f", {{1, 2, nil}, {1, 9, nil}, [{bin_string, {1, 4, nil}, [<<"f{o">>]}]}, "o"] = extract_interpolations("f#{\"f{o\"}o"). extract_interpolations_with_escaped_quote_inside_string_inside_interpolation_test() -> ["f", {{1, 2, nil}, {1, 10, nil}, [{bin_string, {1, 4, nil}, [<<"f\"o">>]}]}, "o"] = extract_interpolations("f#{\"f\\\"o\"}o"). extract_interpolations_with_less_than_operation_inside_interpolation_test() -> ["f", {{1, 2, nil}, {1, 7, nil}, [{int, {1, 4, 1}, "1"}, {rel_op, {1, 5, nil}, '<'}, {int, {1, 6, 2}, "2"}]}, "o"] = extract_interpolations("f#{1<2}o"). extract_interpolations_with_an_escaped_character_test() -> ["f", {{1, 2, nil}, {1, 16, nil}, [{char, {1, 4, "?\\a"}, 7}, {rel_op, {1, 8, nil}, '>'}, {char, {1, 10, "?\\a"}, 7}]} ] = extract_interpolations("f#{?\\a > ?\\a }"). extract_interpolations_with_invalid_expression_inside_interpolation_test() -> {1, 4, "unexpected token: ", _} = extract_interpolations("f#{:1}o"). %% Bin strings empty_bin_string_test() -> {<<"">>, _} = eval("\"\""). simple_bin_string_test() -> {<<"foo">>, _} = eval("\"foo\""). bin_string_with_double_quotes_test() -> {<<"f\"o\"o">>, _} = eval("\"f\\\"o\\\"o\""). bin_string_with_newline_test() -> {<<"f\no">>, _} = eval("\"f\no\""). bin_string_with_slash_test() -> {<<"f\\o">>, _} = eval("\"f\\\\o\""). bin_string_with_bell_character_test() -> {<<"f\ao">>, _} = eval("\"f\ao\""). bin_string_with_interpolation_test() -> {<<"foo">>, _} = eval("\"f#{\"o\"}o\""). bin_string_with_another_string_inside_string_inside_interpolation_test() -> {<<"fbaro">>, _} = eval("\"f#{\"b#{\"a\"}r\"}o\""). bin_string_with_another_string_with_curly_inside_interpolation_test() -> {<<"fb}ro">>, _} = eval("\"f#{\"b}r\"}o\""). bin_string_with_atom_with_separator_inside_interpolation_test() -> {<<"f}o">>, _} = eval("\"f#{\"}\"}o\""). bin_string_with_lower_case_hex_interpolation_test() -> {<<"jklmno">>, _} = eval("\"\\x6a\\x6b\\x6c\\x6d\\x6e\\x6f\""). bin_string_with_upper_case_hex_interpolation_test() -> {<<"jklmno">>, _} = eval("\"\\x6A\\x6B\\x6C\\x6D\\x6E\\x6F\""). bin_string_without_interpolation_and_escaped_test() -> {<<"f#o">>, _} = eval("\"f\\#o\""). bin_string_with_escaped_interpolation_test() -> {<<"f#{'o}o">>, _} = eval("\"f\\#{'o}o\""). bin_string_with_the_end_of_line_slash_test() -> {<<"fo">>, _} = eval("\"f\\\no\""), {<<"fo">>, _} = eval("\"f\\\r\no\""). invalid_string_interpolation_test() -> ?assertError(#{'__struct__' := 'Elixir.TokenMissingError'}, eval("\"f#{some\"")), ?assertError(#{'__struct__' := 'Elixir.TokenMissingError'}, eval("\"f#{1+")). unterminated_string_interpolation_test() -> ?assertError(#{'__struct__' := 'Elixir.TokenMissingError'}, eval("\"foo")). %% List strings empty_list_string_test() -> {[], _} = eval("\'\'"). simple_list_string_test() -> {"foo", _} = eval("'foo'"). list_string_with_double_quotes_test() -> {"f'o'o", _} = eval("'f\\'o\\'o'"). list_string_with_newline_test() -> {"f\no", _} = eval("'f\no'"). list_string_with_slash_test() -> {"f\\o", _} = eval("'f\\\\o'"). list_string_with_bell_character_test() -> {"f\ao", _} = eval("'f\ao'"). list_string_with_interpolation_test() -> {"foo", _} = eval("'f#{\"o\"}o'"). list_string_with_another_string_with_curly_inside_interpolation_test() -> {"fb}ro", _} = eval("'f#{\"b}r\"}o'"). list_string_with_atom_with_separator_inside_interpolation_test() -> {"f}o", _} = eval("'f#{\"}\"}o'"). list_string_with_lower_case_hex_interpolation_test() -> {"JKLMNO", _} = eval("'\\x4a\\x4b\\x4c\\x4d\\x4e\\x4f'"). list_string_with_upper_case_hex_interpolation_test() -> {"JKLMNO", _} = eval("'\\x4A\\x4B\\x4C\\x4D\\x4E\\x4F'"). list_string_without_interpolation_and_escaped_test() -> {"f#o", _} = eval("'f\\#o'"). list_string_with_escaped_interpolation_test() -> {"f#{\"o}o", _} = eval("'f\\#{\"o}o'"). list_string_with_the_end_of_line_slash_test() -> {"fo", _} = eval("'f\\\no'"), {"fo", _} = eval("'f\\\r\no'"). char_test() -> {99, []} = eval("?1 + ?2"), {10, []} = eval("?\\n"), {40, []} = eval("?("). %% Binaries bitstr_with_int_test() -> {<<"fdo">>, _} = eval("<< \"f\", 50+50, \"o\" >>").