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numeric.c: fix exception message for nil rounding

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* numeric.c (rb_num_get_rounding_option): fix exception message
  for the case of nil rounding mode.

* test_float.rb: add an assertion for the above change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57000 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2016-12-06 12:54:19 +00:00
parent a560add68a
commit 0cb1a2b812
2 changed files with 7 additions and 1 deletions
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5
numeric.c
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@ -243,7 +243,10 @@ rb_num_get_rounding_option(VALUE opts)
break;
}
invalid:
rb_raise(rb_eArgError, "invalid rounding mode: % "PRIsVALUE, rounding);
if (NIL_P(rounding))
rb_raise(rb_eArgError, "invalid rounding mode: nil");
else
rb_raise(rb_eArgError, "invalid rounding mode: % "PRIsVALUE, rounding);
}
noopt:
return RUBY_NUM_ROUND_DEFAULT;

3
test/ruby/test_float.rb
View file

@ -723,6 +723,9 @@ class TestFloat < Test::Unit::TestCase
end
def test_round_half_invalid
assert_raise_with_message(ArgumentError, /nil/) {
1.0.round(half: nil)
}
assert_raise_with_message(ArgumentError, /xxx/) {
1.0.round(half: "\0xxx")
}