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Suppress too big exponent warnings

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Nobuyoshi Nakada 2020-12-28 12:12:54 +09:00
parent 228ad7d84b
commit 64d79d333b
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1 changed files with 15 additions and 5 deletions
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20
spec/ruby/shared/rational/exponent.rb
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@ -105,14 +105,24 @@ describe :rational_exponent, shared: true do
# Fails on linux due to pow() bugs in glibc: http://sources.redhat.com/bugzilla/show_bug.cgi?id=3866
platform_is_not :linux do
it "returns positive Infinity when self < -1" do
(Rational(-2) ** bignum_value).infinite?.should == 1
(Rational(-2) ** (bignum_value + 1)).infinite?.should == 1
(Rational(fixnum_min) ** bignum_value).infinite?.should == 1
-> {
(Rational(-2) ** bignum_value).infinite?.should == 1
}.should complain(/warning: in a\*\*b, b may be too big/)
-> {
(Rational(-2) ** (bignum_value + 1)).infinite?.should == 1
}.should complain(/warning: in a\*\*b, b may be too big/)
-> {
(Rational(fixnum_min) ** bignum_value).infinite?.should == 1
}.should complain(/warning: in a\*\*b, b may be too big/)
end
it "returns 0.0 when self is < -1 and the exponent is negative" do
(Rational(-2) ** -bignum_value).should eql(0.0)
(Rational(fixnum_min) ** -bignum_value).should eql(0.0)
-> {
(Rational(-2) ** -bignum_value).should eql(0.0)
}.should complain(/warning: in a\*\*b, b may be too big/)
-> {
(Rational(fixnum_min) ** -bignum_value).should eql(0.0)
}.should complain(/warning: in a\*\*b, b may be too big/)
end
end
end