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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
# Note: We can't completely spec this in terms of to_int() because hex()
# allows the base to be changed by a base specifier in the string.
# See http://groups.google.com/group/ruby-core-google/browse_frm/thread/b53e9c2003425703
describe "String#oct" do
it "treats numeric digits as base-8 digits by default" do
"0".oct.should == 0
"77".oct.should == 077
"077".oct.should == 077
end
it "accepts numbers formatted as binary" do
"0b1010".oct.should == 0b1010
end
it "accepts numbers formatted as hexadecimal" do
"0xFF".oct.should == 0xFF
end
it "accepts numbers formatted as decimal" do
"0d500".oct.should == 500
end
describe "with a leading minus sign" do
it "treats numeric digits as base-8 digits by default" do
"-12348".oct.should == -01234
end
it "accepts numbers formatted as binary" do
"-0b0101".oct.should == -0b0101
end
it "accepts numbers formatted as hexadecimal" do
"-0xEE".oct.should == -0xEE
end
it "accepts numbers formatted as decimal" do
"-0d500".oct.should == -500
end
end
describe "with a leading plus sign" do
it "treats numeric digits as base-8 digits by default" do
"+12348".oct.should == 01234
end
it "accepts numbers formatted as binary" do
"+0b1010".oct.should == 0b1010
end
it "accepts numbers formatted as hexadecimal" do
"+0xFF".oct.should == 0xFF
end
it "accepts numbers formatted as decimal" do
"+0d500".oct.should == 500
end
end
it "accepts a single underscore separating digits" do
"755_333".oct.should == 0755_333
end
it "does not accept a sequence of underscores as part of a number" do
"7__3".oct.should == 07
"7___3".oct.should == 07
"7__5".oct.should == 07
end
it "ignores characters that are incorrect for the base-8 digits" do
"0o".oct.should == 0
"5678".oct.should == 0567
end
it "returns 0 if no characters can be interpreted as a base-8 number" do
"".oct.should == 0
"+-5".oct.should == 0
"wombat".oct.should == 0
end
it "returns 0 for strings with leading underscores" do
"_7".oct.should == 0
"_07".oct.should == 0
" _7".oct.should == 0
end
end
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