diff options
Diffstat (limited to 'spec/ruby/core/thread/backtrace_locations_spec.rb')
-rw-r--r-- | spec/ruby/core/thread/backtrace_locations_spec.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/backtrace_locations_spec.rb b/spec/ruby/core/thread/backtrace_locations_spec.rb new file mode 100644 index 0000000000..66947f8ea6 --- /dev/null +++ b/spec/ruby/core/thread/backtrace_locations_spec.rb @@ -0,0 +1,33 @@ +require_relative '../../spec_helper' + +describe "Thread#backtrace_locations" do + it "returns an Array" do + locations = Thread.current.backtrace_locations + locations.should be_an_instance_of(Array) + locations.should_not be_empty + end + + it "sets each element to a Thread::Backtrace::Location" do + locations = Thread.current.backtrace_locations + locations.each { |loc| loc.should be_an_instance_of(Thread::Backtrace::Location) } + end + + it "can be called on any Thread" do + locations = Thread.new { Thread.current.backtrace_locations }.value + locations.should be_an_instance_of(Array) + locations.should_not be_empty + locations.each { |loc| loc.should be_an_instance_of(Thread::Backtrace::Location) } + end + + it "without argument is the same as showing all locations with 0..-1" do + Thread.current.backtrace_locations.map(&:to_s).should == Thread.current.backtrace_locations(0..-1).map(&:to_s) + end + + it "the first location reports the call to #backtrace_locations" do + Thread.current.backtrace_locations(0..0)[0].to_s.should == "#{__FILE__ }:#{__LINE__ }:in `backtrace_locations'" + end + + it "[1..-1] is the same as #caller_locations(0..-1) for Thread.current" do + Thread.current.backtrace_locations(1..-1).map(&:to_s).should == caller_locations(0..-1).map(&:to_s) + end +end |