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# -*- encoding: utf-8 -*-
require File.expand_path('../spec_helper', __FILE__)
load_extension('symbol')
describe "C-API Symbol function" do
before :each do
@s = CApiSymbolSpecs.new
end
describe "rb_intern" do
it "converts a string to a symbol, uniquely" do
@s.rb_intern("test_symbol").should == :test_symbol
@s.rb_intern_c_compare("test_symbol", :test_symbol).should == true
end
end
describe "rb_intern2" do
it "converts a string to a symbol, uniquely, for a string of given length" do
@s.rb_intern2("test_symbol", 4).should == :test
@s.rb_intern2_c_compare("test_symbol", 4, :test).should == true
end
end
describe "rb_intern3" do
it "converts a multibyte symbol with the encoding" do
sym = @s.rb_intern3("Ω", 2, Encoding::UTF_8)
sym.encoding.should == Encoding::UTF_8
sym.should == :Ω
@s.rb_intern3_c_compare("Ω", 2, Encoding::UTF_8, :Ω).should == true
end
it "converts an ascii compatible symbol with the ascii encoding" do
sym = @s.rb_intern3("foo", 3, Encoding::UTF_8)
sym.encoding.should == Encoding::US_ASCII
sym.should == :foo
end
it "should respect the symbol encoding via rb_intern3" do
:Ω.to_s.encoding.should == Encoding::UTF_8
end
end
describe "rb_intern_const" do
it "converts a string to a Symbol" do
@s.rb_intern_const("test").should == :test
end
end
describe "rb_id2name" do
it "converts a symbol to a C char array" do
@s.rb_id2name(:test_symbol).should == "test_symbol"
end
end
describe "rb_id2str" do
it "converts a symbol to a Ruby string" do
@s.rb_id2str(:test_symbol).should == "test_symbol"
end
it "creates a string with the same encoding as the symbol" do
str = "test_symbol".encode(Encoding::UTF_16LE)
@s.rb_id2str(str.to_sym).encoding.should == Encoding::UTF_16LE
end
end
describe "rb_intern_str" do
it "converts a Ruby String to a Symbol" do
str = "test_symbol"
@s.rb_intern_str(str).should == :test_symbol
end
end
describe "rb_is_const_id" do
it "returns true given a const-like symbol" do
@s.rb_is_const_id(:Foo).should == true
end
it "returns false given an ivar-like symbol" do
@s.rb_is_const_id(:@foo).should == false
end
it "returns false given a cvar-like symbol" do
@s.rb_is_const_id(:@@foo).should == false
end
it "returns false given an undecorated symbol" do
@s.rb_is_const_id(:foo).should == false
end
end
describe "rb_is_instance_id" do
it "returns false given a const-like symbol" do
@s.rb_is_instance_id(:Foo).should == false
end
it "returns true given an ivar-like symbol" do
@s.rb_is_instance_id(:@foo).should == true
end
it "returns false given a cvar-like symbol" do
@s.rb_is_instance_id(:@@foo).should == false
end
it "returns false given an undecorated symbol" do
@s.rb_is_instance_id(:foo).should == false
end
end
describe "rb_is_class_id" do
it "returns false given a const-like symbol" do
@s.rb_is_class_id(:Foo).should == false
end
it "returns false given an ivar-like symbol" do
@s.rb_is_class_id(:@foo).should == false
end
it "returns true given a cvar-like symbol" do
@s.rb_is_class_id(:@@foo).should == true
end
it "returns false given an undecorated symbol" do
@s.rb_is_class_id(:foo).should == false
end
end
describe "rb_sym2str" do
it "converts a Symbol to a String" do
@s.rb_sym2str(:bacon).should == "bacon"
end
end
end
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