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Versions: 52
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Stored size: 1.71 KB
Contents
require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#coerce" do
it "coerces other to a Bignum and returns [other, self] when passed a Fixnum" do
a = bignum_value
ary = a.coerce(2)
ary[0].should be_kind_of(Bignum)
ary[1].should be_kind_of(Bignum)
ary.should == [2, a]
end
it "returns [other, self] when passed a Bignum" do
a = bignum_value
b = bignum_value
ary = a.coerce(b)
ary[0].should be_kind_of(Bignum)
ary[1].should be_kind_of(Bignum)
ary.should == [b, a]
end
it "raises a TypeError when not passed a Fixnum or Bignum" do
a = bignum_value
lambda { a.coerce(nil) }.should raise_error(TypeError)
lambda { a.coerce(mock('str')) }.should raise_error(TypeError)
lambda { a.coerce(1..4) }.should raise_error(TypeError)
lambda { a.coerce(:test) }.should raise_error(TypeError)
end
not_compliant_on :rubinius do
it "raises a TypeError when passed a Float or String" do
a = bignum_value
lambda { a.coerce(12.3) }.should raise_error(TypeError)
lambda { a.coerce("123") }.should raise_error(TypeError)
end
end
deviates_on :rubinius do
it "coerces both values to Floats and returns [other, self] when passed a Float" do
a = bignum_value
a.coerce(1.2).should == [1.2, a.to_f]
end
it "coerces both values to Floats and returns [other, self] when passed a String" do
a = bignum_value
a.coerce("123").should == [123.0, a.to_f]
end
it "calls #to_f to coerce other to a Float" do
b = mock("bignum value")
b.should_receive(:to_f).and_return(1.2)
a = bignum_value
ary = a.coerce(b)
ary.should == [1.2, a.to_f]
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems