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author | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
commit | 98cfd6016f8b40fc97e03b31177d14318349040f (patch) | |
tree | c0fcdd768071c36bfbcbf186d369d9ca14c47421 /erts/emulator/test/ref_SUITE.erl | |
parent | e2ca71b6e7172b320b5b171359d53a161383fb19 (diff) | |
parent | 3825199794da28d79b21052a2e69e2335921d55e (diff) | |
download | otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.gz otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.bz2 otp-98cfd6016f8b40fc97e03b31177d14318349040f.zip |
Merge tag 'OTP-21.2' into sverker/map-from-ks-vs-bug
Diffstat (limited to 'erts/emulator/test/ref_SUITE.erl')
-rw-r--r-- | erts/emulator/test/ref_SUITE.erl | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/erts/emulator/test/ref_SUITE.erl b/erts/emulator/test/ref_SUITE.erl index 5f519d522e..925c30caa5 100644 --- a/erts/emulator/test/ref_SUITE.erl +++ b/erts/emulator/test/ref_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -22,6 +22,7 @@ -export([all/0, suite/0]). -export([wrap_1/1]). +-export([compare_list/1, compare_ets/1]). -export([loop_ref/1]). @@ -32,7 +33,7 @@ suite() -> {timetrap, {minutes, 2}}]. all() -> - [wrap_1]. + [wrap_1, compare_list, compare_ets]. %% Check that refs don't wrap around easily. wrap_1(Config) when is_list(Config) -> @@ -53,3 +54,28 @@ loop_ref(Parent) -> loop_ref(R, R, _) -> ok; loop_ref(R0, _, N) -> loop_ref(R0, make_ref(), N+1). + +%% Check that ref ordering works +compare_list(Config) when is_list(Config) -> + %% Although this test uses external refs, it would apply the same to plain refs + ExtRef1 = <<131,114,0,3,100,0,3,110,64,98,3, 0,0,173,156, 0,216,0,4, 0,0,0,0>>, + ExtRef2 = <<131,114,0,3,100,0,3,110,64,98,3, 0,1,31,27, 129,4,0,1, 0,0,0,0>>, + + Ref1 = binary_to_term(ExtRef1), %% #Ref<[email protected]> + Ref2 = binary_to_term(ExtRef2), %% #Ref<[email protected]> + OrderedList = [Ref1, Ref2], + OrderedList = lists:sort(OrderedList), + ok. + +%% This is the scarier case since it makes terms "invisible" in ets or Mnesia +%% (the underlying fault cause is the same as compare_list/1) +compare_ets(Config) when is_list(Config) -> + W2s = [610350147,899574699,2994196869,686384822,2397690439, 923302211], + ExtRefBase = <<131,114,0,3,100,0,3,110,64,98,3>>, + ExtRefs = [<<ExtRefBase/binary, 1:32, W2:32, 0:32>> || W2 <- W2s], + Refs = [binary_to_term(Bin) || Bin <- ExtRefs], + + Ets = ets:new(refbug, [ordered_set]), + ets:insert(Ets, [{Ref,Ref} || Ref <- Refs]), + 0 = length([R || R <- ets:tab2list(Ets), ets:lookup(Ets, element(1,R)) == []]), + ok. |