diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/edlin_expand_SUITE.erl | 79 |
1 files changed, 76 insertions, 3 deletions
diff --git a/lib/stdlib/test/edlin_expand_SUITE.erl b/lib/stdlib/test/edlin_expand_SUITE.erl index 718d91c6a3..1f694ea549 100644 --- a/lib/stdlib/test/edlin_expand_SUITE.erl +++ b/lib/stdlib/test/edlin_expand_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2016. All Rights Reserved. +%% Copyright Ericsson AB 2010-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -21,7 +21,8 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_testcase/2, end_per_testcase/2, init_per_group/2,end_per_group/2]). --export([normal/1, quoted_fun/1, quoted_module/1, quoted_both/1, erl_1152/1]). +-export([normal/1, quoted_fun/1, quoted_module/1, quoted_both/1, erl_1152/1, + erl_352/1]). -include_lib("common_test/include/ct.hrl"). @@ -36,7 +37,7 @@ suite() -> {timetrap,{minutes,1}}]. all() -> - [normal, quoted_fun, quoted_module, quoted_both, erl_1152]. + [normal, quoted_fun, quoted_module, quoted_both, erl_1152, erl_352]. groups() -> []. @@ -153,6 +154,78 @@ erl_1152(Config) when is_list(Config) -> "\n"++"foo"++" "++[1089]++_ = do_format(["foo",[1089]]), ok. +erl_352(Config) when is_list(Config) -> + erl_352_test(3, 3), + + erl_352_test(3, 75), + erl_352_test(3, 76, [trailing]), + erl_352_test(4, 74), + erl_352_test(4, 75, [leading]), + erl_352_test(4, 76, [leading, trailing]), + + erl_352_test(75, 3), + erl_352_test(76, 3, [leading]), + erl_352_test(74, 4), + erl_352_test(75, 4, [leading]), + erl_352_test(76, 4, [leading]), + + erl_352_test(74, 74, [leading]), + erl_352_test(74, 75, [leading]), + erl_352_test(74, 76, [leading, trailing]). + +erl_352_test(PrefixLen, SuffixLen) -> + erl_352_test(PrefixLen, SuffixLen, []). + +erl_352_test(PrefixLen, SuffixLen, Dots) -> + io:format("\nPrefixLen = ~w, SuffixLen = ~w\n", [PrefixLen, SuffixLen]), + + PrefixM = lists:duplicate(PrefixLen, $p), + SuffixM = lists:duplicate(SuffixLen, $s), + LM = [PrefixM ++ S ++ SuffixM || S <- ["1", "2"]], + StrM = do_format(LM), + check_leading(StrM, "", PrefixM, SuffixM, Dots), + + PrefixF = lists:duplicate(PrefixLen, $p), + SuffixF = lists:duplicate(SuffixLen-2, $s), + LF = [{PrefixF ++ S ++ SuffixF, 1} || S <- ["1", "2"]], + StrF = do_format(LF), + true = check_leading(StrF, "/1", PrefixF, SuffixF, Dots), + + ok. + +check_leading(FormStr, ArityStr, Prefix, Suffix, Dots) -> + List = string:tokens(FormStr, "\n "), + io:format("~p\n", [List]), + true = lists:all(fun(L) -> length(L) < 80 end, List), + case lists:member(leading, Dots) of + true -> + true = lists:all(fun(L) -> + {"...", Rest} = lists:split(3, L), + check_trailing(Rest, ArityStr, + Suffix, Dots) + end, List); + false -> + true = lists:all(fun(L) -> + {Prefix, Rest} = + lists:split(length(Prefix), L), + check_trailing(Rest, ArityStr, + Suffix, Dots) + end, List) + end. + +check_trailing([I|Str], ArityStr, Suffix, Dots) -> + true = lists:member(I, [$1, $2]), + case lists:member(trailing, Dots) of + true -> + {Rest, "..." ++ ArityStr} = + lists:split(length(Str) - (3 + length(ArityStr)), Str), + true = lists:prefix(Rest, Suffix); + false -> + {Rest, ArityStr} = + lists:split(length(Str) - length(ArityStr), Str), + Rest =:= Suffix + end. + do_expand(String) -> edlin_expand:expand(lists:reverse(String)). |