process.c: add :exception option to Kernel.#system

to raise error when it fails.

[Feature 14386] [GH-1795]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 0 deletions

diff --git a/test/ruby/test_system.rb b/test/ruby/test_system.rb
index 60037ab044..0c0ad33fb6 100644
--- a/test/ruby/test_system.rb
+++ b/test/ruby/test_system.rb
@@ -160,4 +160,23 @@ class TestSystem < Test::Unit::TestCase
       assert_equal(true, system(tmpfilename), '[ruby-core:32745]')
     }
   end if File.executable?("/bin/sh")
+
+  def test_system_exception
+    ruby = EnvUtil.rubybin
+    assert_nothing_raised do
+      system('feature_14235', exception: false)
+      system("'#{ruby}' -e 'exit 1'", exception: false)
+    end
+    assert_raise(Errno::ENOENT) do
+      system('feature_14235', exception: true)
+    end
+    assert_raise(RuntimeError) do
+      system("'#{ruby}' -e 'exit 1'", exception: true)
+    end
+    begin
+      system("'#{ruby}' -e 'exit 1'", exception: true)
+    rescue RuntimeError => e
+      assert_equal true, e.message.include?('status (1)')
+    end
+  end
 end