1 files changed, 0 insertions, 82 deletions
diff --git a/test/ruby/test_stack.rb b/test/ruby/test_stack.rb
deleted file mode 100644
index 763aeb6bc2..0000000000
--- a/test/ruby/test_stack.rb
+++ /dev/null
@@ -1,82 +0,0 @@
-# frozen_string_literal: false
-require 'test/unit'
-require 'tmpdir'
-
-class TestStack < Test::Unit::TestCase
-  LARGE_VM_STACK_SIZE = 1024*1024*5
-  LARGE_MACHINE_STACK_SIZE = 1024*1024*10
-
-  def initialize(*)
-    super
-
-    @h_default = nil
-    @h_0 = nil
-    @h_large = nil
-  end
-
-  def invoke_ruby script, vm_stack_size: nil, machine_stack_size: nil
-    env = {}
-    env['RUBY_FIBER_VM_STACK_SIZE'] = vm_stack_size.to_s if vm_stack_size
-    env['RUBY_FIBER_MACHINE_STACK_SIZE'] = machine_stack_size.to_s if machine_stack_size
-    env['ASAN_OPTIONS'] = ENV['ASAN_OPTIONS'] if ENV['ASAN_OPTIONS']
-
-    stdout, stderr, status = EnvUtil.invoke_ruby([env, '-e', script], '', true, true, timeout: 30)
-    assert(!status.signaled?, FailDesc[status, nil, stderr])
-
-    return stdout
-  end
-
-  def h_default
-    @h_default ||= eval(invoke_ruby('p RubyVM::DEFAULT_PARAMS'))
-  end
-
-  def h_0
-    @h_0 ||= eval(invoke_ruby('p RubyVM::DEFAULT_PARAMS',
-      vm_stack_size: 0,
-      machine_stack_size: 0
-    ))
-  end
-
-  def h_large
-    @h_large ||= eval(invoke_ruby('p RubyVM::DEFAULT_PARAMS',
-      vm_stack_size: LARGE_VM_STACK_SIZE,
-      machine_stack_size: LARGE_MACHINE_STACK_SIZE
-    ))
-  end
-
-  def test_relative_stack_sizes
-    assert_operator(h_default[:fiber_vm_stack_size], :>, h_0[:fiber_vm_stack_size])
-    assert_operator(h_default[:fiber_vm_stack_size], :<, h_large[:fiber_vm_stack_size])
-    assert_operator(h_default[:fiber_machine_stack_size], :>=, h_0[:fiber_machine_stack_size])
-    assert_operator(h_default[:fiber_machine_stack_size], :<=, h_large[:fiber_machine_stack_size])
-  end
-
-  def test_vm_stack_size
-    script = '$stdout.sync=true; def rec; print "."; rec; end; Fiber.new{rec}.resume'
-
-    size_default = invoke_ruby(script).bytesize
-    assert_operator(size_default, :>, 0)
-
-    size_0 = invoke_ruby(script, vm_stack_size: 0).bytesize
-    assert_operator(size_default, :>, size_0)
-
-    size_large = invoke_ruby(script, vm_stack_size: LARGE_VM_STACK_SIZE).bytesize
-    assert_operator(size_default, :<, size_large)
-  end
-
-  # Depending on OS, machine stack size may not change size.
-  def test_machine_stack_size
-    return if /mswin|mingw/ =~ RUBY_PLATFORM
-
-    script = '$stdout.sync=true; def rec; print "."; 1.times{1.times{1.times{rec}}}; end; Fiber.new{rec}.resume'
-
-    vm_stack_size = 1024 * 1024
-    size_default = invoke_ruby(script, vm_stack_size: vm_stack_size).bytesize
-
-    size_0 = invoke_ruby(script, vm_stack_size: vm_stack_size, machine_stack_size: 0).bytesize
-    assert_operator(size_default, :>=, size_0)
-
-    size_large = invoke_ruby(script, vm_stack_size: vm_stack_size, machine_stack_size: LARGE_MACHINE_STACK_SIZE).bytesize
-    assert_operator(size_default, :<=, size_large)
-  end
-end