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require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#|" do
before :each do
@bignum = bignum_value(11)
end
it "returns self bitwise OR other" do
(@bignum | 2).should == 9223372036854775819
(@bignum | 9).should == 9223372036854775819
(@bignum | bignum_value).should == 9223372036854775819
end
it "returns self bitwise OR other when one operand is negative" do
(@bignum | -0x40000000000000000).should == -64563604257983430645
(@bignum | -@bignum).should == -1
(@bignum | -0x8000000000000000).should == -9223372036854775797
end
it "returns self bitwise OR other when both operands are negative" do
(-@bignum | -0x4000000000000005).should == -1
(-@bignum | -@bignum).should == -9223372036854775819
(-@bignum | -0x4000000000000000).should == -11
end
it "raises a TypeError when passed a Float" do
not_supported_on :opal do
lambda {
bignum_value | bignum_value(0xffff).to_f
}.should raise_error(TypeError)
end
lambda { @bignum | 9.9 }.should raise_error(TypeError)
end
it "raises a TypeError and does not call #to_int when defined on an object" do
obj = mock("bignum bit or")
obj.should_not_receive(:to_int)
lambda { @bignum | obj }.should raise_error(TypeError)
end
end
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