require File.expand_path('../spec_helper', __FILE__) load_extension("exception") describe "C-API Exception function" do before :each do @s = CApiExceptionSpecs.new end describe "rb_exc_new" do it "creates an exception from a C string and length" do @s.rb_exc_new('foo').to_s.should == 'foo' end end describe "rb_exc_new2" do it "creates an exception from a C string" do @s.rb_exc_new2('foo').to_s.should == 'foo' end end describe "rb_exc_new3" do it "creates an exception from a Ruby string" do @s.rb_exc_new3('foo').to_s.should == 'foo' end end describe "rb_exc_raise" do it "raises passed exception" do runtime_error = RuntimeError.new '42' lambda { @s.rb_exc_raise(runtime_error) }.should raise_error(RuntimeError, '42') end it "raises an exception with an empty backtrace" do runtime_error = RuntimeError.new '42' runtime_error.set_backtrace [] lambda { @s.rb_exc_raise(runtime_error) }.should raise_error(RuntimeError, '42') end end describe "rb_set_errinfo" do after :each do @s.rb_set_errinfo(nil) end it "accepts nil" do @s.rb_set_errinfo(nil).should be_nil end it "accepts an Exception instance" do @s.rb_set_errinfo(Exception.new).should be_nil end it "raises a TypeError if the object is not nil or an Exception instance" do lambda { @s.rb_set_errinfo("error") }.should raise_error(TypeError) end end end