Add more formatting tests
diff --git a/test/couch_log_trunc_io_fmt_test.erl b/test/couch_log_trunc_io_fmt_test.erl
index 13d74d2..77d5554 100644
--- a/test/couch_log_trunc_io_fmt_test.erl
+++ b/test/couch_log_trunc_io_fmt_test.erl
@@ -28,32 +28,58 @@
end, cases()).
+
+chomp_test() ->
+ R1 = couch_log_trunc_io_fmt:format("\n", [], 1024, [{chomp, true}]),
+ ?assertEqual("", lists:flatten(R1)),
+ R2 = couch_log_trunc_io_fmt:format("~n", [], 1024, [{chomp, true}]),
+ ?assertEqual("", lists:flatten(R2)).
+
+
cases() ->
[
{"", [], ""},
+ {"stuff\n\t", [], "stuff\n\t"},
{"~w", [foo], "foo"},
{"~p", [bar], "bar"},
{"~W", [{{{2}}}, 2], "{{...}}"},
{"~P", [{{{ohai}}}, 1], "{...}"},
{"~s", [[$s, [$t, [$u, [$f, [$f]]]]]], "stuff"},
+ {"~4s", ["stuff"], "stuf"},
+ {"~8s", ["stuff"], " stuff"},
+ {"~.8s", ["stuff"], "stuff "},
+ {"~10.4s", ["stuff"], " stuf"},
+ {"~10.6s", ["stuff"], " stuff "},
+ {"~10.5s", ["stuff"], " stuff"},
+ {"~10.10s", ["stuff"], " stuff"},
{"~r", [{reason, [{x, k, [c, d]}]}], "reason at x:k/2"},
{"~e", [1.0], "1.00000e+0"},
{"~f", [1.0], "1.000000"},
+ {"~f", [0.000323], "0.000323"},
+ {"~f", [31.4], "31.400000"},
+ {"~f", [-2.3], "-2.300000"},
{"~g", [1.0], "1.00000"},
+ {"~b", [-15], "-15"},
{"~b", [15], "15"},
{"~B", [15], "15"},
{"~.16b", [15], "f"},
{"~.16B", [15], "F"},
+ {"~.16b", [-15], "-f"},
+ {"~.16B", [-15], "-F"},
{"~.16x", [15, "16#"], "16#f"},
{"~.16x", [15, '16#'], "16#f"},
+ {"~.16x", [-15, "16#"], "-16#f"},
{"~.16X", [15, "16#"], "16#F"},
{"~.16X", [15, '16#'], "16#F"},
+ {"~.16X", [-15, "16#"], "-16#F"},
{"~.16#", [15], "16#F"},
{"~.16+", [15], "16#f"},
{"~c", [$z], "z"},
{"~tc", [$g], "g"},
{"~~", [], "\~"},
{"~n", [], "\n"},
+ {"~2n", [], "\n\n"},
+ {"~3n", [], "\n\n\n"},
{"~i", [ignored], ""},
{"~2.w", [1], " 1"},
{"~*w", [2, 1], " 1"},
