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require File.expand_path('../spec_helper', __FILE__)
load_extension("fixnum")
describe "CApiFixnumSpecs" do
before :each do
@s = CApiFixnumSpecs.new
end
platform_is wordsize: 64 do
describe "rb_fix2uint" do
it "raises a TypeError if passed nil" do
lambda { @s.rb_fix2uint(nil) }.should raise_error(TypeError)
end
it "converts a Fixnum" do
@s.rb_fix2uint(1).should == 1
end
it "converts the maximum uint value" do
@s.rb_fix2uint(0xffff_ffff).should == 0xffff_ffff
end
it "converts a Float" do
@s.rb_fix2uint(25.4567).should == 25
end
it "raises a RangeError if the value is more than 32bits" do
lambda { @s.rb_fix2uint(0xffff_ffff+1) }.should raise_error(RangeError)
end
it "raises a RangeError if the value is more than 64bits" do
lambda { @s.rb_fix2uint(0xffff_ffff_ffff_ffff+1) }.should raise_error(RangeError)
end
end
describe "rb_fix2int" do
it "raises a TypeError if passed nil" do
lambda { @s.rb_fix2int(nil) }.should raise_error(TypeError)
end
it "converts a Fixnum" do
@s.rb_fix2int(-1).should == -1
@s.rb_fix2int(1).should == 1
end
it "converts the maximum uint value" do
@s.rb_fix2int(0x7fff_ffff).should == 0x7fff_ffff
end
it "converts a Float" do
@s.rb_fix2int(25.4567).should == 25
end
it "converts a negative Bignum into an signed number" do
@s.rb_fix2int(-2147442171).should == -2147442171
end
it "raises a RangeError if the value is more than 32bits" do
lambda { @s.rb_fix2int(0xffff_ffff+1) }.should raise_error(RangeError)
end
it "raises a RangeError if the value is more than 64bits" do
lambda { @s.rb_fix2int(0xffff_ffff_ffff_ffff+1) }.should raise_error(RangeError)
end
it "calls #to_int to coerce the value" do
obj = mock("number")
obj.should_receive(:to_int).and_return(2)
@s.rb_fix2int(obj).should == 2
end
end
end
end
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