require_relative '../spec_helper'

describe "The --backtrace-limit command line option" do
  it "limits top-level backtraces to a given number of entries" do
    file = fixture(__FILE__ , "backtrace.rb")
    out = ruby_exe(file, options: "--backtrace-limit=2", args: "top 2>&1", exit_status: 1)
    out = out.gsub(__dir__, '')

    out.should == <<-MSG
top
/fixtures/backtrace.rb:2:in `a': oops (RuntimeError)
\tfrom /fixtures/backtrace.rb:6:in `b'
\tfrom /fixtures/backtrace.rb:10:in `c'
\t ... 2 levels...
    MSG
  end

  it "affects Exception#full_message" do
    file = fixture(__FILE__ , "backtrace.rb")
    out = ruby_exe(file, options: "--backtrace-limit=2", args: "full_message 2>&1")
    out = out.gsub(__dir__, '')

    out.should == <<-MSG
full_message
/fixtures/backtrace.rb:2:in `a': oops (RuntimeError)
\tfrom /fixtures/backtrace.rb:6:in `b'
\tfrom /fixtures/backtrace.rb:10:in `c'
\t ... 2 levels...
    MSG
  end

  it "does not affect Exception#backtrace" do
    file = fixture(__FILE__ , "backtrace.rb")
    out = ruby_exe(file, options: "--backtrace-limit=2", args: "backtrace 2>&1")
    out = out.gsub(__dir__, '')

    out.should == <<-MSG
backtrace
/fixtures/backtrace.rb:2:in `a'
/fixtures/backtrace.rb:6:in `b'
/fixtures/backtrace.rb:10:in `c'
/fixtures/backtrace.rb:14:in `d'
/fixtures/backtrace.rb:29:in `<main>'
    MSG
  end
end