From 0bfb185654b13237b874dc00d5719e695416b711 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 30 Oct 2022 00:36:19 +0900
Subject: [ruby/optparse] Add `raise_unknown` flag
 (https://github.com/ruby/optparse/pull/38)

https://github.com/ruby/optparse/commit/12529653cd
---
 test/optparse/test_optparse.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test/optparse')

diff --git a/test/optparse/test_optparse.rb b/test/optparse/test_optparse.rb
index 5f5ea183b0..285c4a5d1b 100644
--- a/test/optparse/test_optparse.rb
+++ b/test/optparse/test_optparse.rb
@@ -98,6 +98,18 @@ class TestOptionParser < Test::Unit::TestCase
     assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-z foo))}
   end
 
+  def test_raise_unknown
+    @opt.def_option('--foo [ARG]') {|arg| @foo = arg}
+    assert @opt.raise_unknown
+
+    @opt.raise_unknown = false
+    assert_equal(%w[--bar], @opt.parse(%w[--foo --bar]))
+    assert_nil(@foo)
+
+    assert_equal(%w[--bar], @opt.parse(%w[--foo x --bar]))
+    assert_equal("x", @foo)
+  end
+
   def test_nonopt_pattern
     @opt.def_option(/^[^-]/) do |arg|
       assert(false, "Never gets called")
-- 
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