require 'spec_helper'

describe V8::C::External do
  include C::ContextHelper

  it "can catch javascript exceptions" do
    V8::C::V8::SetCaptureStackTraceForUncaughtExceptions(true, 99, V8::C::StackTrace::kDetailed)
    V8::C::TryCatch() do |trycatch|
      V8::C::HandleScope() do
        source = V8::C::String::New(<<-JS)
        function one() {
          two()
        }
        function two() {
          three()
        }
        function three() {
          boom()
        }
        function boom() {
          throw new Error('boom!')
        }
        eval('one()')
        JS
        filename = V8::C::String::New("<eval>")
        script = V8::C::Script::New(source, filename)
        result = script.Run()
        trycatch.HasCaught().should be_true
        trycatch.CanContinue().should be_true
        exception = trycatch.Exception()
        exception.should_not be_nil
        exception.IsNativeError().should be_true
        trycatch.StackTrace().Utf8Value().should match /boom.*three.*two.*one/m
        message = trycatch.Message();
        message.should_not be_nil
        message.Get().Utf8Value().should eql "Uncaught Error: boom!"
        message.GetSourceLine().Utf8Value().should eql "          throw new Error('boom!')"
        message.GetScriptResourceName().Utf8Value().should eql "<eval>"
        message.GetLineNumber().should eql 11
        stack = message.GetStackTrace()
        stack.should_not be_nil
        stack.GetFrameCount().should eql 6
        frame = stack.GetFrame(0)
        frame.GetLineNumber().should eql 11
        frame.GetColumn().should eql 17
        frame.GetScriptName().Utf8Value().should eql "<eval>"
        frame.GetScriptNameOrSourceURL().Utf8Value().should eql "<eval>"
        frame.IsEval().should be_false
        stack.GetFrame(4).IsEval().should be_true
        frame.IsConstructor().should be_false
      end
    end
  end
end