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author | Björn Gustavsson <[email protected]> | 2010-10-07 11:41:19 +0200 |
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committer | Björn Gustavsson <[email protected]> | 2010-10-07 11:41:19 +0200 |
commit | 714415871fe2a03c63ba54932669bf2b7ed89a91 (patch) | |
tree | fd7aa9d202a181aa1460b004599adddc324f6d69 /lib/compiler/test | |
parent | 0f851e8dbfcc33ca31603409e21742455d37e3be (diff) | |
parent | 7b283aa9507b45f2cd403b061ad92ab059fb71b5 (diff) | |
download | otp-714415871fe2a03c63ba54932669bf2b7ed89a91.tar.gz otp-714415871fe2a03c63ba54932669bf2b7ed89a91.tar.bz2 otp-714415871fe2a03c63ba54932669bf2b7ed89a91.zip |
Merge branch 'bjorn/compiler-bin-generators/OTP-8864' into dev
* bjorn/compiler-bin-generators/OTP-8864:
core_lint: Enforce that tail segments only occur at the end
Don't generate multiple tail segments in binary matching
Factor out some of the code for binary generators
Add tests for tail segments in binary generators
Diffstat (limited to 'lib/compiler/test')
-rw-r--r-- | lib/compiler/test/bs_bincomp_SUITE.erl | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/lib/compiler/test/bs_bincomp_SUITE.erl b/lib/compiler/test/bs_bincomp_SUITE.erl index a64a5d590b..74f69893af 100644 --- a/lib/compiler/test/bs_bincomp_SUITE.erl +++ b/lib/compiler/test/bs_bincomp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2009. All Rights Reserved. +%% Copyright Ericsson AB 2006-2010. 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 @@ -24,7 +24,7 @@ -export([all/1, byte_aligned/1,bit_aligned/1,extended_byte_aligned/1, extended_bit_aligned/1,mixed/1,filters/1,trim_coverage/1, - nomatch/1,sizes/1]). + nomatch/1,sizes/1,tail/1]). -include("test_server.hrl"). @@ -32,7 +32,7 @@ all(suite) -> test_lib:recompile(?MODULE), [byte_aligned,bit_aligned,extended_byte_aligned, extended_bit_aligned,mixed,filters,trim_coverage, - nomatch,sizes]. + nomatch,sizes,tail]. byte_aligned(Config) when is_list(Config) -> @@ -270,6 +270,38 @@ sizes(Config) when is_list(Config) -> ?line cs_end(), ok. +tail(Config) when is_list(Config) -> + ?line [] = tail_1(<<0:7>>), + ?line [0] = tail_1(<<0>>), + ?line [0] = tail_1(<<0:12>>), + ?line [0,0] = tail_1(<<0:20>>), + + ?line [] = tail_2(<<0:7>>), + ?line [42] = tail_2(<<0>>), + ?line [] = tail_2(<<0:12>>), + ?line [42,42] = tail_2(<<0,1>>), + + ?line <<>> = tail_3(<<0:7>>), + ?line <<42>> = tail_3(<<0>>), + ?line <<42>> = tail_3(<<0:12>>), + ?line <<42,42>> = tail_3(<<0:20>>), + + ?line [] = tail_4(<<0:15>>), + ?line [7] = tail_4(<<7,8>>), + ?line [9] = tail_4(<<9,17:12>>), + ok. + +tail_1(Bits) -> + [X || <<X:8/integer, _/bits>> <= Bits]. + +tail_2(Bits) -> + [42 || <<_:8/integer, _/bytes>> <= Bits]. + +tail_3(Bits) -> + << <<42>> || <<_:8/integer, _/bits>> <= Bits >>. + +tail_4(Bits) -> + [X || <<X:8/integer, Tail/bits>> <= Bits, bit_size(Tail) >= 8]. cs_init() -> |