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Diffstat (limited to 'spec/ruby/core/integer/shared/exponent.rb')
-rw-r--r--spec/ruby/core/integer/shared/exponent.rb11
1 files changed, 7 insertions, 4 deletions
diff --git a/spec/ruby/core/integer/shared/exponent.rb b/spec/ruby/core/integer/shared/exponent.rb
index f949c514c8..15df518b7e 100644
--- a/spec/ruby/core/integer/shared/exponent.rb
+++ b/spec/ruby/core/integer/shared/exponent.rb
@@ -30,11 +30,13 @@ describe :integer_exponent, shared: true do
(-2).send(@method, 30).should eql(1073741824)
(-2).send(@method, 31).should eql(-2147483648)
(-2).send(@method, 32).should eql(4294967296)
+ (-2).send(@method, 33).should eql(-8589934592)
(-2).send(@method, 61).should eql(-2305843009213693952)
(-2).send(@method, 62).should eql(4611686018427387904)
(-2).send(@method, 63).should eql(-9223372036854775808)
(-2).send(@method, 64).should eql(18446744073709551616)
+ (-2).send(@method, 65).should eql(-36893488147419103232)
end
it "can raise 1 to a bignum safely" do
@@ -96,8 +98,8 @@ describe :integer_exponent, shared: true do
end
it "returns self raised to other power" do
- (@bignum.send(@method, 4)).should == 7237005577332262361485077344629993318496048279512298547155833600056910050625
- (@bignum.send(@method, 1.2)).should be_close(57262152889751597425762.57804, TOLERANCE)
+ (@bignum.send(@method, 4)).should == 115792089237316196603666111261383895964500887398800252671052694326794607293761
+ (@bignum.send(@method, 1.3)).should be_close(11109528802438156839288832.0, TOLERANCE)
end
it "raises a TypeError when given a non-Integer" do
@@ -116,8 +118,9 @@ describe :integer_exponent, shared: true do
end
it "returns a complex number when negative and raised to a fractional power" do
- ((-@bignum).send(@method, (1.0/3))) .should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
- ((-@bignum).send(@method, Rational(1,3))).should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
+ (-bignum_value).send(@method, (1.0/2)).should be_close(Complex(0.0, 4294967296.0), TOLERANCE)
+ (-@bignum).send(@method, (1.0/3)) .should be_close(Complex(1321122.9748145656, 2288252.1154253655), TOLERANCE)
+ (-@bignum).send(@method, Rational(1,3)).should be_close(Complex(1321122.9748145656, 2288252.1154253655), TOLERANCE)
end
end
end