diff options
Diffstat (limited to 'lib/stdlib/test/lists_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/lists_SUITE.erl | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl index 14e6a12fda..6bed793028 100644 --- a/lib/stdlib/test/lists_SUITE.erl +++ b/lib/stdlib/test/lists_SUITE.erl @@ -44,7 +44,7 @@ sublist_2/1, sublist_3/1, sublist_2_e/1, sublist_3_e/1, flatten_1/1, flatten_2/1, flatten_1_e/1, flatten_2_e/1, - dropwhile/1, + dropwhile/1, takewhile/1, sort_1/1, sort_stable/1, merge/1, rmerge/1, sort_rand/1, usort_1/1, usort_stable/1, umerge/1, rumerge/1,usort_rand/1, keymerge/1, rkeymerge/1, @@ -122,8 +122,8 @@ groups() -> [flatten_1, flatten_2, flatten_1_e, flatten_2_e]}, {tickets, [parallel], [otp_5939, otp_6023, otp_6606, otp_7230]}, {zip, [parallel], [zip_unzip, zip_unzip3, zipwith, zipwith3]}, - {misc, [parallel], [reverse, member, dropwhile, filter_partition, - suffix, subtract]} + {misc, [parallel], [reverse, member, dropwhile, takewhile, + filter_partition, suffix, subtract]} ]. init_per_suite(Config) -> @@ -358,6 +358,33 @@ dropwhile(Config) when is_list(Config) -> ok. +takewhile(Config) when is_list(Config) -> + F = fun(C) -> C =/= $@ end, + + [] = lists:takewhile(F, []), + [a] = lists:takewhile(F, [a]), + [a,b] = lists:takewhile(F, [a,b]), + [a,b,c] = lists:takewhile(F, [a,b,c]), + + [] = lists:takewhile(F, [$@]), + [] = lists:takewhile(F, [$@,$@]), + [a] = lists:takewhile(F, [a,$@]), + + [$k] = lists:takewhile(F, [$k,$@]), + [$k,$l] = lists:takewhile(F, [$k,$l,$@,$@]), + [a] = lists:takewhile(F, [a,$@,$@,$@]), + + [] = lists:takewhile(F, [$@,a,$@,b]), + [] = lists:takewhile(F, [$@,$@,a,$@,b]), + [] = lists:takewhile(F, [$@,$@,$@,a,$@,b]), + + Long = lists:seq(1, 1024), + Shorter = lists:seq(1, 400), + + Shorter = lists:takewhile(fun(E) -> E =< 400 end, Long), + + ok. + keystore(doc) -> ["OTP-XXX."]; keystore(suite) -> []; |