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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
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