source: EcnlProtoTool/trunk/mruby-1.3.0/test/t/codegen.rb@ 331

##
# Codegen tests

assert('peephole optimization does not eliminate move whose result is reused') do
  assert_raise LocalJumpError do
    def method
      yield
    end
    method(&a &&= 0)
  end
end

assert('empty condition in ternary expression parses correctly') do
  assert_equal(() ? 1 : 2, 2)
end

assert('method call with exactly 127 arguments') do
  def args_to_ary(*args)
    args
  end

  assert_equal [0]*127, args_to_ary(
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, \
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
  )
end

assert('nested empty heredoc') do
  _, a = nil, <<B
#{<<A}
A
B
  assert_equal "\n", a
end

assert('splat in case splat') do
  a = *case
    when 0
      * = 1
  end

  assert_equal [1], a
end

assert('undef with 127 or more arguments') do
  assert_raise NameError do
    undef
      a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
      a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
      a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,
      a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a
  end
end

assert('next in normal loop with 127 arguments') do
  assert_raise NameError do
    while true
      next A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A
    end
  end
end

assert('negate literal register alignment') do
  a = *case
  when 0
    -0.0
    2
  end

  assert_equal [2], a
end