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| author | Serge Aleynikov <[email protected]> | 2013-01-25 15:58:41 -0500 |
|---|---|---|
| committer | Serge Aleynikov <[email protected]> | 2013-02-07 10:53:55 -0500 |
| commit | ddf8881308b27f308aa456bef3e4833bc0383413 (patch) | |
| tree | d56f01a86d5ef3b2c2751935df3d02b5bbcaafb6 /erts/emulator/test | |
| parent | 28dce0b9ea79f8635a3253da7f4d3c6e49cb48b8 (diff) | |
| download | otp-ddf8881308b27f308aa456bef3e4833bc0383413.tar.gz otp-ddf8881308b27f308aa456bef3e4833bc0383413.tar.bz2 otp-ddf8881308b27f308aa456bef3e4833bc0383413.zip | |
float_to_list/2 changed rounding and cosmetic cleanup
Changed rouding to round half-way up instead of down.
Cosmetic cleanup and error handling of additional edge cases.
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/num_bif_SUITE.erl | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl index bf33c337ee..c625e655ce 100644 --- a/erts/emulator/test/num_bif_SUITE.erl +++ b/erts/emulator/test/num_bif_SUITE.erl @@ -128,10 +128,17 @@ t_float_to_list(Config) when is_list(Config) -> "-1.00000000000000000000e+00" = float_to_list(-1.0, []), "-1.00000000000000000000" = float_to_list(-1.0, [{decimals, 20}]), {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, -1}])), - {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, 250}])), + {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{decimals, 254}])), + {'EXIT', {badarg, _}} = (catch float_to_list(1.0, [{scientific, 250}])), {'EXIT', {badarg, _}} = (catch float_to_list(1.0e+300, [{decimals, 1}])), "1.0e+300" = float_to_list(1.0e+300, [{scientific, 1}]), - "1.0" = float_to_list(1.0, [{decimals, 249}, compact]), + "1.0" = float_to_list(1.0, [{decimals, 249}, compact]), + "1" = float_to_list(1.0, [{decimals, 0}]), + "2" = float_to_list(1.9, [{decimals, 0}]), + "123456789012345680.0" = erlang:float_to_list( + 123456789012345678.0, [{decimals, 236}, compact]), + {'EXIT', {badarg, _}} = (catch float_to_list( + 123456789012345678.0, [{decimals, 237}])), Expected = "1." ++ string:copies("0", 249) ++ "e+00", Expected = float_to_list(1.0, [{scientific, 249}, compact]), @@ -139,7 +146,8 @@ t_float_to_list(Config) when is_list(Config) -> X2 = float_to_list(1.0, [{scientific, 20}]), X1 = X2, "1.000e+00" = float_to_list(1.0, [{scientific, 3}]), - "1.000" = float_to_list(1.0, [{decimals, 3}]), + "1.000" = float_to_list(1.0, [{decimals, 3}]), + "1.0" = float_to_list(1.0, [{decimals, 1}]), "1.0" = float_to_list(1.0, [{decimals, 3}, compact]), "1.12" = float_to_list(1.123, [{decimals, 2}]), "1.123" = float_to_list(1.123, [{decimals, 3}]), @@ -148,6 +156,14 @@ t_float_to_list(Config) when is_list(Config) -> "1.12300" = float_to_list(1.123, [{decimals, 5}]), "1.123" = float_to_list(1.123, [{decimals, 5}, compact]), "1.1234" = float_to_list(1.1234,[{decimals, 6}, compact]), + "1.01" = float_to_list(1.005, [{decimals, 2}]), + "-1.01" = float_to_list(-1.005,[{decimals, 2}]), + "0.999" = float_to_list(0.999, [{decimals, 3}]), + "-0.999" = float_to_list(-0.999,[{decimals, 3}]), + "1.0" = float_to_list(0.999, [{decimals, 2}, compact]), + "-1.0" = float_to_list(-0.999,[{decimals, 2}, compact]), + "0.5" = float_to_list(0.5, [{decimals, 1}]), + "-0.5" = float_to_list(-0.5, [{decimals, 1}]), "2.333333" = erlang:float_to_list(7/3, [{decimals, 6}, compact]), "2.333333" = erlang:float_to_list(7/3, [{decimals, 6}]), "0.00000000000000000000e+00" = float_to_list(0.0, [compact]), |