Thread#kill Thread#raise quiz

thread_quiz.rb

def example_1
  clean_env = false
  t = Thread.new do
    begin
    ensure
      clean_env = true
    end
  end
  t.kill
  t.join
  clean_env
end

def example_2
  clean_env = false
  t = Thread.new do
    begin
    ensure
      sleep 1
      clean_env = true
    end
  end
  t.kill
  t.join
  clean_env
end

def example_3
  clean_env = false
  t = Thread.new do
    begin
      sleep 1
    ensure
      sleep 1
      clean_env = true
    end
  end
  t.kill
  t.join
  clean_env
end

def example_4
  clean_env = false
  t = Thread.new do
    begin
    ensure
      clean_env = true
    end
  end
  t.raise
  begin
    t.join
  rescue
  end
  clean_env
end

def example_5
  clean_env = false
  t = Thread.new do
    begin
    ensure
      sleep 1
      clean_env = true
    end
  end
  t.raise
  begin
  rescue
    t.join
  end
  clean_env
end

def example_6
  clean_env = false
  t = Thread.new do
    begin
      sleep 1
    ensure
      sleep 1
      clean_env = true
    end
  end
  t.raise
  begin
    t.join
  rescue
  end
  clean_env
end

require "minitest/autorun"

class ThreadTest < Minitest::Test
  def test_example_1
    assert_equal "choose either true of false", example_1
  end

  def test_example_2
    assert_equal "choose either true of false", example_2
  end

  def test_example_3
    assert_equal "choose either true of false", example_3
  end

  def test_example_4
    assert_equal "choose either true of false", example_4
  end

  def test_example_5
    assert_equal "choose either true of false", example_5
  end

  def test_example_6
    assert_equal "choose either true of false", example_6
  end
end