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-rw-r--r--erts/emulator/test/alloc_SUITE.erl9
-rw-r--r--erts/emulator/test/bif_SUITE.erl10
-rw-r--r--erts/emulator/test/decode_packet_SUITE.erl12
-rw-r--r--erts/emulator/test/distribution_SUITE.erl6
-rw-r--r--erts/emulator/test/driver_SUITE.erl6
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl2
-rw-r--r--erts/emulator/test/port_SUITE.erl12
-rw-r--r--erts/emulator/test/scheduler_SUITE.erl6
8 files changed, 29 insertions, 34 deletions
diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl
index f0871ead7d..5e5cd6f578 100644
--- a/erts/emulator/test/alloc_SUITE.erl
+++ b/erts/emulator/test/alloc_SUITE.erl
@@ -89,10 +89,11 @@ mmsc_flags() ->
mmsc_flags(Env) ->
case os:getenv(Env) of
false -> false;
- V -> case string:str(V, "+MMsc") of
- 0 -> false;
- P -> Env ++ "=" ++ string:substr(V, P)
- end
+ V ->
+ case string:find(V, "+MMsc") of
+ nomatch -> false;
+ SubStr -> Env ++ "=" ++ SubStr
+ end
end.
erts_mmap_do(Config, SCO, SCRPM, SCRFSD) ->
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl
index 04b7f2de15..146c37b118 100644
--- a/erts/emulator/test/bif_SUITE.erl
+++ b/erts/emulator/test/bif_SUITE.erl
@@ -731,10 +731,12 @@ erlang_halt(Config) when is_list(Config) ->
[broken_halt, "Validate correct crash dump"]),
{ok,_} = wait_until_stable_size(CrashDump,-1),
{ok, Bin} = file:read_file(CrashDump),
- case {string:str(binary_to_list(Bin),"\n=end\n"),
- string:str(binary_to_list(Bin),"\r\n=end\r\n")} of
- {0,0} -> ct:fail("Could not find end marker in crash dump");
- _ -> ok
+ case {string:find(Bin, <<"\n=end\n">>),
+ string:find(Bin, <<"\r\n=end\r\n">>)} of
+ {nomatch,nomatch} ->
+ ct:fail("Could not find end marker in crash dump");
+ {_,_} ->
+ ok
end.
wait_until_stable_size(_File,-10) ->
diff --git a/erts/emulator/test/decode_packet_SUITE.erl b/erts/emulator/test/decode_packet_SUITE.erl
index 54ee4d5567..0ccdbd7ee8 100644
--- a/erts/emulator/test/decode_packet_SUITE.erl
+++ b/erts/emulator/test/decode_packet_SUITE.erl
@@ -239,7 +239,7 @@ packet_size(Config) when is_list(Config) ->
%% Test OTP-9389, long HTTP header lines.
Opts = [{packet_size, 128}],
Pkt = list_to_binary(["GET / HTTP/1.1\r\nHost: localhost\r\nLink: /",
- string:chars($Y, 64), "\r\n\r\n"]),
+ lists:duplicate(64, $Y), "\r\n\r\n"]),
<<Pkt1:50/binary, Pkt2/binary>> = Pkt,
{ok, {http_request,'GET',{abs_path,"/"},{1,1}}, Rest1} =
erlang:decode_packet(http, Pkt1, Opts),
@@ -250,7 +250,7 @@ packet_size(Config) when is_list(Config) ->
erlang:decode_packet(httph, list_to_binary([Rest2, Pkt2]), Opts),
Pkt3 = list_to_binary(["GET / HTTP/1.1\r\nHost: localhost\r\nLink: /",
- string:chars($Y, 129), "\r\n\r\n"]),
+ lists:duplicate(129, $Y), "\r\n\r\n"]),
{ok, {http_request,'GET',{abs_path,"/"},{1,1}}, Rest3} =
erlang:decode_packet(http, Pkt3, Opts),
{ok, {http_header,_,'Host',_,"localhost"}, Rest4} =
@@ -509,9 +509,9 @@ decode_line(Bin,MaxLen) ->
end.
find_in_binary(Byte, Bin) ->
- case string:chr(binary_to_list(Bin),Byte) of
- 0 -> notfound;
- P -> P
+ case string:find(Bin, [Byte]) of
+ nomatch -> notfound;
+ Suffix -> byte_size(Bin) - byte_size(Suffix) + 1
end.
ssl(Config) when is_list(Config) ->
@@ -562,7 +562,7 @@ decode_pkt(Type,Bin,Opts) ->
otp_9389(Config) when is_list(Config) ->
Opts = [{packet_size, 16384}, {line_length, 3000}],
Pkt = list_to_binary(["GET / HTTP/1.1\r\nHost: localhost\r\nLink: /",
- string:chars($X, 8192),
+ lists:duplicate(8192, $X),
"\r\nContent-Length: 0\r\n\r\n"]),
<<Pkt1:5000/binary, Pkt2/binary>> = Pkt,
{ok, {http_request,'GET',{abs_path,"/"},{1,1}}, Rest1} =
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 17cd1d1a3b..2d0ae9c83e 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -786,8 +786,8 @@ dist_auto_connect_once(Config) when is_list(Config) ->
{ok, pong} = do_inet_rpc(Sock2,net_adm,ping,[NN]),
{ok,[NN2]} = do_inet_rpc(Sock,erlang,nodes,[]),
{ok,[NN]} = do_inet_rpc(Sock2,erlang,nodes,[]),
- [_,HostPartPeer] = string:tokens(atom_to_list(NN),"@"),
- [_,MyHostPart] = string:tokens(atom_to_list(node()),"@"),
+ [_,HostPartPeer] = string:lexemes(atom_to_list(NN),"@"),
+ [_,MyHostPart] = string:lexemes(atom_to_list(node()),"@"),
% Give net_kernel a chance to change the state of the node to up to.
receive after 1000 -> ok end,
case HostPartPeer of
@@ -2094,7 +2094,7 @@ start_relay_node(Node, Args) ->
[{args, Args ++
" -setcookie "++Cookie++" -pa "++Pa++" "++
RunArg}]),
- [N,H] = string:tokens(atom_to_list(NN),"@"),
+ [N,H] = string:lexemes(atom_to_list(NN),"@"),
{ok, Sock} = gen_tcp:accept(LSock),
pang = net_adm:ping(NN),
{N,H,Sock}.
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 33d0b708cf..475e03087a 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -1192,9 +1192,9 @@ check_driver_system_info_result(Result) ->
io:format("All names: ~p~n", [?EXPECTED_SYSTEM_INFO_NAMES]),
io:format("Result: ~p~n", [Result]),
{[], Ns, DDVSN} = chk_sis(lists:map(fun (Str) ->
- string:tokens(Str, "=")
+ string:lexemes(Str, "=")
end,
- string:tokens(Result, " ")),
+ string:lexemes(Result, " ")),
?EXPECTED_SYSTEM_INFO_NAMES),
case {DDVSN,
drv_vsn_str2tup(erlang:system_info(driver_version))} of
@@ -2438,7 +2438,7 @@ wait_until(Fun) ->
end.
drv_vsn_str2tup(Str) ->
- [Major, Minor] = string:tokens(Str, "."),
+ [Major, Minor] = string:lexemes(Str, "."),
{list_to_integer(Major), list_to_integer(Minor)}.
%% Build port data from a template.
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl
index 1c76eb8019..17555d63c6 100644
--- a/erts/emulator/test/num_bif_SUITE.erl
+++ b/erts/emulator/test/num_bif_SUITE.erl
@@ -145,7 +145,7 @@ t_float_to_string(Config) when is_list(Config) ->
123456789012345678.0, [{decimals, 237}])),
{'EXIT', {badarg, _}} = (catch float_to_binary(
123456789012345678.0, [{decimals, 237}])),
- test_fts("1." ++ string:copies("0", 249) ++ "e+00",
+ test_fts("1." ++ lists:duplicate(249, $0) ++ "e+00",
1.0, [{scientific, 249}, compact]),
X1 = float_to_list(1.0),
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 730a17d7e8..f29528a22f 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -1662,13 +1662,7 @@ spawn_executable(Config) when is_list(Config) ->
[ExactFile2,"hello world","dlrow olleh"] =
run_echo_args_2(unicode:characters_to_binary("\""++ExactFile2++"\" "++"\"hello world\" \"dlrow olleh\"")),
- ExeExt =
- case string:to_lower(lists:last(string:tokens(ExactFile2,"."))) of
- "exe" ->
- ".exe";
- _ ->
- ""
- end,
+ ExeExt = filename:extension(ExactFile2),
Executable2 = "spoky name"++ExeExt,
file:copy(ExactFile1,filename:join([SpaceDir,Executable2])),
ExactFile3 = filename:nativename(filename:join([SpaceDir,Executable2])),
@@ -1836,7 +1830,7 @@ collect_data(Port) ->
end.
parse_echo_args_output(Data) ->
- [lists:last(string:tokens(S,"|")) || S <- string:tokens(Data,"\r\n")].
+ [lists:last(string:lexemes(S,"|")) || S <- string:lexemes(Data,["\r\n",$\n])].
%% Test that the emulator does not mix up ports when the port table wraps
mix_up_ports(Config) when is_list(Config) ->
@@ -1962,7 +1956,7 @@ max_ports() ->
erlang:system_info(port_limit).
port_ix(Port) when is_port(Port) ->
- ["#Port",_,PortIxStr] = string:tokens(erlang:port_to_list(Port),
+ ["#Port",_,PortIxStr] = string:lexemes(erlang:port_to_list(Port),
"<.>"),
list_to_integer(PortIxStr).
diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl
index 7afb82a1b8..7eebbe8b19 100644
--- a/erts/emulator/test/scheduler_SUITE.erl
+++ b/erts/emulator/test/scheduler_SUITE.erl
@@ -894,11 +894,9 @@ adjust_schedulers_online() ->
read_affinity(Data) ->
Exp = "pid " ++ os:getpid() ++ "'s current affinity mask",
- case string:tokens(Data, ":") of
+ case string:lexemes(Data, ":") of
[Exp, DirtyAffinityStr] ->
- AffinityStr = string:strip(string:strip(DirtyAffinityStr,
- both, $ ),
- both, $\n),
+ AffinityStr = string:trim(DirtyAffinityStr),
case catch erlang:list_to_integer(AffinityStr, 16) of
Affinity when is_integer(Affinity) ->
Affinity;