diff options
Diffstat (limited to 'erts/emulator/test/beam_literals_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/beam_literals_SUITE.erl | 78 |
1 files changed, 68 insertions, 10 deletions
diff --git a/erts/emulator/test/beam_literals_SUITE.erl b/erts/emulator/test/beam_literals_SUITE.erl index 75841adbfc..3ab7fc615b 100644 --- a/erts/emulator/test/beam_literals_SUITE.erl +++ b/erts/emulator/test/beam_literals_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2009. All Rights Reserved. +%% Copyright Ericsson AB 1999-2010. 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 @@ -18,21 +18,41 @@ %% -module(beam_literals_SUITE). --export([all/1]). +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2]). -export([putting/1, matching_smalls/1, matching_smalls_jt/1, matching_bigs/1, matching_more_bigs/1, matching_bigs_and_smalls/1, badmatch/1, case_clause/1, receiving/1, literal_type_tests/1, - put_list/1, fconv/1, literal_case_expression/1]). + put_list/1, fconv/1, literal_case_expression/1, + increment/1]). --include("test_server.hrl"). +-include_lib("test_server/include/test_server.hrl"). -all(suite) -> +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> [putting, matching_smalls, matching_smalls_jt, matching_bigs, matching_more_bigs, matching_bigs_and_smalls, badmatch, case_clause, - receiving, literal_type_tests, - put_list, fconv, literal_case_expression]. + receiving, literal_type_tests, put_list, fconv, + literal_case_expression, increment]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + putting(doc) -> "Test creating lists and tuples containing big number literals."; putting(Config) when is_list(Config) -> @@ -48,6 +68,7 @@ matching_bigs(doc) -> "Test matching of a few big number literals (in Beam," matching_bigs(Config) when is_list(Config) -> a = matching1(3972907842873739), b = matching1(-389789298378939783333333333333333333784), + other = matching1(3141699999999999999999999999999999999), other = matching1(42). matching_smalls(doc) -> "Test matching small numbers (both positive and negative)."; @@ -236,14 +257,14 @@ make_test([{T,L}|Ts]) -> make_test([]) -> []. test(T, L) -> - S = lists:flatten(io_lib:format("begin io:format(\"~~p~~n\", [{~p,~p}]), if ~w(~w) -> true; true -> false end end. ", [T, L, T, L])), + S = lists:flatten(io_lib:format("begin io:format(\"~~p~n\", [{~p,~p}]), if ~w(~w) -> true; true -> false end end. ", [T, L, T, L])), {ok,Toks,_Line} = erl_scan:string(S), {ok,E} = erl_parse:parse_exprs(Toks), {value,Val,_Bs} = erl_eval:exprs(E, []), {match,0,{atom,0,Val},hd(E)}. test(T, A, L) -> - S = lists:flatten(io_lib:format("begin io:format(\"~~p~~n\", [{~p,~p,~p}]), if ~w(~w, ~w) -> true; true -> false end end. ", + S = lists:flatten(io_lib:format("begin io:format(\"~~p~n\", [{~p,~p,~p}]), if ~w(~w, ~w) -> true; true -> false end end. ", [T,L,A,T,L,A])), {ok,Toks,_Line} = erl_scan:string(S), {ok,E} = erl_parse:parse_exprs(Toks), @@ -405,14 +426,51 @@ fconv_2(F) when is_float(F) -> literal_case_expression(Config) when is_list(Config) -> ?line DataDir = ?config(data_dir, Config), ?line Src = filename:join(DataDir, "literal_case_expression"), - ?line {ok,literal_case_expression=Mod,Code} = compile:file(Src, [from_asm,binary]), + ?line {ok,literal_case_expression=Mod,Code} = + compile:file(Src, [from_asm,binary]), ?line {module,Mod} = code:load_binary(Mod, Src, Code), ?line ok = Mod:x(), ?line ok = Mod:y(), + ?line ok = Mod:zi1(), + ?line ok = Mod:zi2(), + ?line ok = Mod:za1(), + ?line ok = Mod:za2(), ?line true = code:delete(Mod), ?line code:purge(Mod), ok. +%% Test the i_increment instruction. +increment(Config) when is_list(Config) -> + %% In the 32-bit emulator, Neg32 can be represented as a small, + %% but -Neg32 cannot. Therefore the i_increment instruction must + %% not be used in the subtraction that follows (since i_increment + %% cannot handle a bignum literal). + Neg32 = -(1 bsl 27), + Big32 = id(1 bsl 32), + Result32 = (1 bsl 32) + (1 bsl 27), + ?line Result32 = Big32 + (1 bsl 27), + ?line Result32 = Big32 - Neg32, + + %% Same thing, but for the 64-bit emulator. + Neg64 = -(1 bsl 59), + Big64 = id(1 bsl 64), + Result64 = (1 bsl 64) + (1 bsl 59), + ?line Result64 = Big64 + (1 bsl 59), + ?line Result64 = Big64 - Neg64, + + %% Test error handling for the i_increment instruction. + Bad = id(bad), + ?line {'EXIT',{badarith,_}} = (catch Bad + 42), + + %% Small operands, but a big result. + Res32 = 1 bsl 27, + Small32 = id(Res32-1), + ?line Res32 = Small32 + 1, + Res64 = 1 bsl 59, + Small64 = id(Res64-1), + ?line Res64 = Small64 + 1, + ok. + %% Help functions. chksum(Term) -> |