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authorSerge Aleynikov <[email protected]>2013-01-25 15:58:41 -0500
committerSerge Aleynikov <[email protected]>2013-02-07 10:53:55 -0500
commitddf8881308b27f308aa456bef3e4833bc0383413 (patch)
treed56f01a86d5ef3b2c2751935df3d02b5bbcaafb6 /erts/emulator/test/num_bif_SUITE.erl
parent28dce0b9ea79f8635a3253da7f4d3c6e49cb48b8 (diff)
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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/num_bif_SUITE.erl')
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl22
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]),