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require_relative 'spec_helper'
load_extension('debug')
describe "C-API Debug function" do
before :each do
@o = CApiDebugSpecs.new
end
describe "rb_debug_inspector_open" do
it "creates a debug context and calls the given callback" do
@o.rb_debug_inspector_open(42).should be_kind_of(Array)
@o.debug_spec_callback_data.should == 42
end
end
describe "rb_debug_inspector_frame_self_get" do
it "returns self" do
@o.rb_debug_inspector_frame_self_get(0).should == @o
end
end
describe "rb_debug_inspector_frame_class_get" do
it "returns the frame class" do
@o.rb_debug_inspector_frame_class_get(0).should == CApiDebugSpecs
end
end
describe "rb_debug_inspector_frame_binding_get" do
it "returns the current binding" do
a = "test"
b = @o.rb_debug_inspector_frame_binding_get(1)
b.should be_an_instance_of(Binding)
b.local_variable_get(:a).should == "test"
end
it "matches the locations in rb_debug_inspector_backtrace_locations" do
frames = @o.rb_debug_inspector_open(42);
frames.each do |_s, _klass, binding, _iseq, backtrace_location|
if binding
"#{backtrace_location.path}:#{backtrace_location.lineno}".should == "#{binding.source_location[0]}:#{binding.source_location[1]}"
end
end
end
end
describe "rb_debug_inspector_frame_iseq_get" do
it "returns an InstructionSequence" do
if defined?(RubyVM::InstructionSequence)
@o.rb_debug_inspector_frame_iseq_get(1).should be_an_instance_of(RubyVM::InstructionSequence)
else
@o.rb_debug_inspector_frame_iseq_get(1).should == nil
end
end
end
describe "rb_debug_inspector_backtrace_locations" do
it "returns an array of Thread::Backtrace::Location" do
bts = @o.rb_debug_inspector_backtrace_locations
bts.should_not.empty?
bts.each { |bt| bt.should be_kind_of(Thread::Backtrace::Location) }
location = "#{__FILE__}:#{__LINE__ - 3}"
bts[1].to_s.should include(location)
end
end
end
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