aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/test
diff options
context:
space:
mode:
authorBjörn Gustavsson <[email protected]>2011-12-05 14:22:21 +0100
committerRaimo Niskanen <[email protected]>2011-12-20 12:07:40 +0100
commitceb6dc4167d4d4c61ee41df60168cd318be624de (patch)
tree4e6e2ef1fb17fb06f920fe47a10b61023683ff2e /lib/kernel/test
parent28e3678aaf61de3a727820c8fbf500118990bcfc (diff)
downloadotp-ceb6dc4167d4d4c61ee41df60168cd318be624de.tar.gz
otp-ceb6dc4167d4d4c61ee41df60168cd318be624de.tar.bz2
otp-ceb6dc4167d4d4c61ee41df60168cd318be624de.zip
file_SUITE: Add large_write/1
Test writing 2GB to a file in one go.
Diffstat (limited to 'lib/kernel/test')
-rw-r--r--lib/kernel/test/file_SUITE.erl34
1 files changed, 26 insertions, 8 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 3c97ecde80..b1c06e6aa7 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -78,7 +78,7 @@
-export([altname/1]).
--export([large_file/1]).
+-export([large_file/1, large_write/1]).
-export([read_line_1/1, read_line_2/1, read_line_3/1,read_line_4/1]).
@@ -106,7 +106,7 @@ all() ->
{group, compression}, {group, links}, copy,
delayed_write, read_ahead, segment_read, segment_write,
ipread, pid2name, interleaved_read_write, otp_5814,
- large_file, read_line_1, read_line_2, read_line_3,
+ large_file, large_write, read_line_1, read_line_2, read_line_3,
read_line_4, standard_io].
groups() ->
@@ -3334,6 +3334,25 @@ do_large_file(Name) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+large_write(Config) when is_list(Config) ->
+ run_large_file_test(Config,
+ fun(Name) -> do_large_write(Name) end,
+ "_large_write").
+
+do_large_write(Name) ->
+ case erlang:system_info(wordsize) of
+ 4 ->
+ {skip,"Needs a 64-bit emulator"};
+ 8 ->
+ Size = 4*1024*1024*1024+1,
+ Bin = <<0:Size/unit:8>>,
+ ok = file:write_file(Name, Bin),
+ {ok,#file_info{size=Size}} = file:read_file_info(Name),
+ ok
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
response_analysis(Module, Function, Arguments) ->
@@ -3918,12 +3937,11 @@ run_large_file_test(Config, Run, Name) ->
case {os:type(),os:version()} of
{{win32,nt},_} ->
do_run_large_file_test(Config, Run, Name);
- {{unix,sunos},{A,B,C}}
- when A == 5, B == 5, C >= 1; A == 5, B >= 6; A >= 6 ->
- do_run_large_file_test(Config, Run, Name);
- {{unix,Unix},_} when Unix =/= sunos ->
- N = unix_free(Config),
- io:format("Free: ~w KByte~n", [N]),
+ {{unix,sunos},OsVersion} when OsVersion < {5,5,1} ->
+ {skip,"Only supported on Win32, Unix or SunOS >= 5.5.1"};
+ {{unix,_},_} ->
+ N = unix_free(?config(priv_dir, Config)),
+ io:format("Free disk: ~w KByte~n", [N]),
if N < 5 * (1 bsl 20) ->
%% Less than 5 GByte free
{skip,"Less than 5 GByte free"};