%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2008-2010. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. %% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. %% %% %CopyrightEnd% %% -module(bs_utf_SUITE). -export([all/1, utf8_roundtrip/1,unused_utf_char/1,utf16_roundtrip/1, utf32_roundtrip/1,guard/1,extreme_tripping/1, literals/1,coverage/1]). -include("test_server.hrl"). all(suite) -> test_lib:recompile(?MODULE), [utf8_roundtrip,unused_utf_char,utf16_roundtrip, utf32_roundtrip,guard,extreme_tripping, literals,coverage]. utf8_roundtrip(Config) when is_list(Config) -> ?line [utf8_roundtrip_1(P) || P <- utf_data()], ok. utf8_roundtrip_1({Str,Bin,Bin}) -> ?line Str = utf8_to_list(Bin), ?line Bin = list_to_utf8(Str), ?line [ok = utf8_guard(C, <<42,C/utf8>>) || C <- Str], ?line [error = utf8_guard(C, <<C/utf8>>) || C <- Str], ok. utf8_guard(C, Bin) when <<42,C/utf8>> =:= Bin -> ok; utf8_guard(_, _) -> error. utf8_to_list(<<C/utf8,T/binary>>) -> [C|utf8_to_list(T)]; utf8_to_list(<<>>) -> []. list_to_utf8(L) -> list_to_utf8(L, <<>>). list_to_utf8([H|T], Bin) -> list_to_utf8(T, <<Bin/binary,H/utf8>>); list_to_utf8([], Bin) -> Bin. unused_utf_char(Config) when is_list(Config) -> [true = utf8_len(Utf8) =:= length(Str) || {Str,Utf8} <- utf_data()], ok. utf8_len(B) -> utf8_len(B, 0). utf8_len(<<_/utf8,T/binary>>, N) -> utf8_len(T, N+1); utf8_len(<<>>, N) -> N. utf16_roundtrip(Config) when is_list(Config) -> ?line {Str,Big,Big,Little,Little} = utf16_data(), ?line 4 = utf16_big_len(Big), ?line 4 = utf16_little_len(Little), ?line Str = big_utf16_to_list(Big), ?line Str = little_utf16_to_list(Little), ?line Big = list_to_big_utf16(Str), ?line Little = list_to_little_utf16(Str), ok. utf16_big_len(B) -> utf16_big_len(B, 0). utf16_big_len(<<_/utf16,T/binary>>, N) -> utf16_big_len(T, N+1); utf16_big_len(<<>>, N) -> N. utf16_little_len(B) -> utf16_little_len(B, 0). utf16_little_len(<<_/little-utf16,T/binary>>, N) -> utf16_little_len(T, N+1); utf16_little_len(<<>>, N) -> N. list_to_big_utf16(List) -> list_to_big_utf16(List, <<>>). list_to_big_utf16([H|T], Bin) -> list_to_big_utf16(T, <<Bin/binary,H/utf16>>); list_to_big_utf16([], Bin) -> Bin. list_to_little_utf16(List) -> list_to_little_utf16(List, <<>>). list_to_little_utf16([H|T], Bin) -> list_to_little_utf16(T, <<Bin/binary,H/little-utf16>>); list_to_little_utf16([], Bin) -> Bin. big_utf16_to_list(<<H/utf16,T/binary>>) -> [H|big_utf16_to_list(T)]; big_utf16_to_list(<<>>) -> []. little_utf16_to_list(<<H/little-utf16,T/binary>>) -> [H|little_utf16_to_list(T)]; little_utf16_to_list(<<>>) -> []. utf32_roundtrip(Config) when is_list(Config) -> ?line {Str,Big,Big,Little,Little} = utf32_data(), ?line 4 = utf32_big_len(Big), ?line 4 = utf32_little_len(Little), ?line Str = big_utf32_to_list(Big), ?line Str = little_utf32_to_list(Little), ?line Big = list_to_big_utf32(Str), ?line Little = list_to_little_utf32(Str), ok. utf32_big_len(B) -> utf32_big_len(B, 0). utf32_big_len(<<_/utf32,T/binary>>, N) -> utf32_big_len(T, N+1); utf32_big_len(<<>>, N) -> N. utf32_little_len(B) -> utf32_little_len(B, 0). utf32_little_len(<<_/little-utf32,T/binary>>, N) -> utf32_little_len(T, N+1); utf32_little_len(<<>>, N) -> N. list_to_big_utf32(List) -> list_to_big_utf32(List, <<>>). list_to_big_utf32([H|T], Bin) -> list_to_big_utf32(T, <<Bin/binary,H/utf32>>); list_to_big_utf32([], Bin) -> Bin. list_to_little_utf32(List) -> list_to_little_utf32(List, <<>>). list_to_little_utf32([H|T], Bin) -> list_to_little_utf32(T, <<Bin/binary,H/little-utf32>>); list_to_little_utf32([], Bin) -> Bin. big_utf32_to_list(<<H/utf32,T/binary>>) -> [H|big_utf32_to_list(T)]; big_utf32_to_list(<<>>) -> []. little_utf32_to_list(<<H/little-utf32,T/binary>>) -> [H|little_utf32_to_list(T)]; little_utf32_to_list(<<>>) -> []. guard(Config) when is_list(Config) -> ?line error = do_guard(16#D800), ok. do_guard(C) when byte_size(<<C/utf8>>) =/= 42 -> ok; do_guard(C) when byte_size(<<C/utf16>>) =/= 42 -> ok; do_guard(C) when byte_size(<<C/utf32>>) =/= 42 -> ok; do_guard(_) -> error. %% The purpose of this test is to make sure that %% the delayed creation of sub-binaries works. extreme_tripping(Config) when is_list(Config) -> ?line Unicode = lists:seq(0, 1024), ?line Utf8 = unicode_to_utf8(Unicode, <<>>), ?line Utf16 = utf8_to_utf16(Utf8, <<>>), ?line Utf32 = utf8_to_utf32(Utf8, <<>>), ?line Utf32 = utf16_to_utf32(Utf16, <<>>), ?line Utf8 = utf32_to_utf8(Utf32, <<>>), ?line Unicode = utf32_to_unicode(Utf32), ok. unicode_to_utf8([C|T], Bin) -> unicode_to_utf8(T, <<Bin/bytes,C/utf8>>); unicode_to_utf8([], Bin) -> Bin. utf8_to_utf16(<<C/utf8,T/binary>>, Bin) -> utf8_to_utf16(T, <<Bin/bytes,C/utf16>>); utf8_to_utf16(<<>>, Bin) -> Bin. utf16_to_utf32(<<C/utf16,T/binary>>, Bin) -> utf16_to_utf32(T, <<Bin/bytes,C/utf32>>); utf16_to_utf32(<<>>, Bin) -> Bin. utf8_to_utf32(<<C/utf8,T/binary>>, Bin) -> utf8_to_utf32(T, <<Bin/bytes,C/utf32>>); utf8_to_utf32(<<>>, Bin) -> Bin. utf32_to_utf8(<<C/utf32,T/binary>>, Bin) -> utf32_to_utf8(T, <<Bin/bytes,C/utf8>>); utf32_to_utf8(<<>>, Bin) -> Bin. utf32_to_unicode(<<C/utf32,T/binary>>) -> [C|utf32_to_unicode(T)]; utf32_to_unicode(<<>>) -> []. literals(Config) when is_list(Config) -> ?line abc_utf8 = match_literal(<<"abc"/utf8>>), ?line abc_utf8 = match_literal(<<$a,$b,$c>>), ?line abc_utf16be = match_literal(<<"abc"/utf16>>), ?line abc_utf16be = match_literal(<<$a:16,$b:16,$c:16>>), ?line abc_utf16le = match_literal(<<"abc"/little-utf16>>), ?line abc_utf16le = match_literal(<<$a:16/little,$b:16/little,$c:16/little>>), ?line abc_utf32be = match_literal(<<"abc"/utf32>>), ?line abc_utf32be = match_literal(<<$a:32,$b:32,$c:32>>), ?line abc_utf32le = match_literal(<<"abc"/little-utf32>>), ?line abc_utf32le = match_literal(<<$a:32/little,$b:32/little,$c:32/little>>), ?line bjorn_utf8 = match_literal(<<"bj\366rn"/utf8>>), ?line bjorn_utf8 = match_literal(<<$b,$j,195,182,$r,$n>>), ?line bjorn_utf16be = match_literal(<<"bj\366rn"/utf16>>), ?line bjorn_utf16be = match_literal(<<$b:16,$j:16,246:16,$r:16,$n:16>>), ?line bjorn_utf16le = match_literal(<<"bj\366rn"/little-utf16>>), ?line bjorn_utf16le = match_literal(<<$b:16/little,$j:16/little, 246:16/little,$r:16/little, $n:16/little>>), ?line <<244,143,191,191>> = <<16#10ffff/utf8>>, %% Invalid literals. I = 0, ?line {'EXIT',{badarg,_}} = (catch <<(-1)/utf8,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<(-1)/utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<(-1)/little-utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<(-1)/utf32,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<(-1)/little-utf32,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#D800/utf8,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFE/utf8,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFF/utf8,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#D800/utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#D800/little-utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFE/utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFE/little-utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFF/utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFF/little-utf16,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#D800/utf32,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#D800/little-utf32,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFE/utf32,I/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<16#FFFF/little-utf32,I/utf8>>), B = 16#10FFFF+1, ?line {'EXIT',{badarg,_}} = (catch <<B/utf8>>), ?line {'EXIT',{badarg,_}} = (catch <<B/utf16>>), ?line {'EXIT',{badarg,_}} = (catch <<B/little-utf16>>), ?line {'EXIT',{badarg,_}} = (catch <<B/utf32>>), ?line {'EXIT',{badarg,_}} = (catch <<B/little-utf32>>), %% Matching of bad literals. ?line error = bad_literal_match(<<237,160,128>>), %16#D800 in UTF-8 ?line error = bad_literal_match(<<239,191,190>>), %16#FFFE in UTF-8 ?line error = bad_literal_match(<<239,191,191>>), %16#FFFF in UTF-8 ?line error = bad_literal_match(<<244,144,128,128>>), %16#110000 in UTF-8 ?line error = bad_literal_match(<<255,254>>), %16#FFFE in UTF-16 ?line error = bad_literal_match(<<255,255>>), %16#FFFF in UTF-16 ?line error = bad_literal_match(<<16#D800:32>>), ?line error = bad_literal_match(<<16#FFFE:32>>), ?line error = bad_literal_match(<<16#FFFF:32>>), ?line error = bad_literal_match(<<16#110000:32>>), ?line error = bad_literal_match(<<16#D800:32/little>>), ?line error = bad_literal_match(<<16#FFFE:32/little>>), ?line error = bad_literal_match(<<16#FFFF:32/little>>), ?line error = bad_literal_match(<<16#110000:32/little>>), ok. match_literal(<<"abc"/utf8>>) -> abc_utf8; match_literal(<<"abc"/big-utf16>>) -> abc_utf16be; match_literal(<<"abc"/little-utf16>>) -> abc_utf16le; match_literal(<<"abc"/big-utf32>>) -> abc_utf32be; match_literal(<<"abc"/little-utf32>>) -> abc_utf32le; match_literal(<<"bj\366rn"/utf8>>) -> bjorn_utf8; match_literal(<<"bj\366rn"/big-utf16>>) -> bjorn_utf16be; match_literal(<<"bj\366rn"/little-utf16>>) -> bjorn_utf16le. bad_literal_match(<<16#D800/utf8>>) -> ok; bad_literal_match(<<16#FFFE/utf8>>) -> ok; bad_literal_match(<<16#FFFF/utf8>>) -> ok; bad_literal_match(<<16#110000/utf8>>) -> ok; bad_literal_match(<<16#FFFE/utf16>>) -> ok; bad_literal_match(<<16#FFFF/utf16>>) -> ok; bad_literal_match(<<16#D800/utf32>>) -> ok; bad_literal_match(<<16#110000/utf32>>) -> ok; bad_literal_match(<<16#D800/little-utf32>>) -> ok; bad_literal_match(<<16#110000/little-utf32>>) -> ok; bad_literal_match(_) -> error. coverage(Config) when is_list(Config) -> %% Cover bit syntax matching optimizations in v3_kernel. ?line 0 = coverage_1(<<4096/utf8,65536/utf8,0>>), ?line 1 = coverage_1(<<4096/utf8,65536/utf8,1>>), ?line 0 = coverage_2(<<4096/utf8,65536/utf8,0>>), ?line 1 = coverage_2(<<1024/utf8,1025/utf8,1>>), ?line fc(catch coverage_3(1)), %% Cover beam_flatten (combining the heap allocation in %% a subsequent test_heap instruction into the bs_init2 %% instruction). {ok,<<533/utf8>>} = cover_test_heap_utf8(533), {ok,<<1024/utf16>>} = cover_test_heap_utf16(1024), {ok,<<7966/utf32>>} = cover_test_heap_utf32(7966), ok. coverage_1(<<4096/utf8,65536/utf8,0>>) -> 0; coverage_1(<<4096/utf8,65536/utf8,1>>) -> 1. coverage_2(<<4096/utf8,65536/utf8,0>>) -> 0; coverage_2(<<1024/utf8,1025/utf8,1>>) -> 1. coverage_3(<<16#7fffffff/utf8,65536/utf8,0>>) -> 0. cover_test_heap_utf8(C) -> {ok,<<C/utf8>>}. cover_test_heap_utf16(C) -> {ok,<<C/utf16>>}. cover_test_heap_utf32(C) -> {ok,<<C/utf32>>}. utf_data() -> %% From RFC-3629. %% Give the compiler a chance to do some constant propagation. NotIdentical = 16#2262, [ %% "A<NOT IDENTICAL TO><ALPHA>." {[16#0041,NotIdentical,16#0391,16#002E], <<16#0041/utf8,NotIdentical/utf8,16#0391/utf8,16#002E/utf8>>, <<16#41,16#E2,16#89,16#A2,16#CE,16#91,16#2E>>}, %% Korean "hangugeo" (meaning "the Korean language") {[16#D55C,16#AD6D,16#C5B4], <<16#D55C/utf8,16#AD6D/utf8,16#C5B4/utf8>>, <<16#ED,16#95,16#9C,16#EA,16#B5,16#AD,16#EC,16#96,16#B4>>}, %% Japanese "nihongo" (meaning "the Japanese language"). {[16#65E5,16#672C,16#8A9E], <<16#65E5/utf8,16#672C/utf8,16#8A9E/utf8>>, <<16#E6,16#97,16#A5,16#E6,16#9C,16#AC,16#E8,16#AA,16#9E>>} ]. utf16_data() -> %% Example from RFC-2781. "*=Ra", where "*" represents a %% hypothetical Ra hieroglyph (code point 16#12345). %% Give the compiler a chance to do some constant propagation. RaHieroglyph = 16#12345, %% First as a list of Unicode characters. {[RaHieroglyph,16#3D,16#52,16#61], %% Big endian (the two binaries should be equal). <<RaHieroglyph/big-utf16,16#3D/big-utf16,16#52/big-utf16,16#61/big-utf16>>, <<16#D8,16#08,16#DF,16#45,16#00,16#3D,16#00,16#52,16#00,16#61>>, %% Little endian (the two binaries should be equal). <<RaHieroglyph/little-utf16,16#3D/little-utf16, 16#52/little-utf16,16#61/little-utf16>>, <<16#08,16#D8,16#45,16#DF,16#3D,16#00,16#52,16#00,16#61,16#00>>}. utf32_data() -> %% "A<NOT IDENTICAL TO><ALPHA>." NotIdentical = 16#2262, {[16#0041,NotIdentical,16#0391,16#002E], %% Big endian. <<16#0041/utf32,NotIdentical/utf32,16#0391/utf32,16#002E/utf32>>, <<16#41:32,NotIdentical:32,16#0391:32,16#2E:32>>, %% Little endian. <<16#0041/little-utf32,NotIdentical/little-utf32, 16#0391/little-utf32,16#002E/little-utf32>>, <<16#41:32/little,NotIdentical:32/little, 16#0391:32/little,16#2E:32/little>>}. fc({'EXIT',{function_clause,_}}) -> ok; fc({'EXIT',{{case_clause,_},_}}) when ?MODULE =:= bs_utf_inline_SUITE -> ok.