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-rw-r--r--erts/emulator/test/float_SUITE.erl9
1 files changed, 7 insertions, 2 deletions
diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl
index 8e6923ce9f..abe01bf5ec 100644
--- a/erts/emulator/test/float_SUITE.erl
+++ b/erts/emulator/test/float_SUITE.erl
@@ -25,7 +25,7 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,
- bad_float_unpack/1,cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
+ bad_float_unpack/1, write/1, cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
-export([otp_7178/1]).
-export([hidden_inf/1]).
@@ -42,7 +42,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[fpe, fp_drv, fp_drv_thread, otp_7178, denormalized,
- match, bad_float_unpack, {group, comparison}
+ match, bad_float_unpack, write, {group, comparison}
,hidden_inf
].
@@ -190,6 +190,11 @@ bad_float_unpack(Config) when is_list(Config) ->
bad_float_unpack_match(<<F:64/float>>) -> F;
bad_float_unpack_match(<<I:64/integer-signed>>) -> I.
+%% Exposes endianness issues.
+
+write(Config) when is_list(Config) ->
+ "1.0" = io_lib:write(1.0).
+
cmp_zero(_Config) ->
cmp(0.5e-323,0).