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-rw-r--r--spec/ruby/command_line/dash_upper_w_spec.rb22
1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/command_line/dash_upper_w_spec.rb b/spec/ruby/command_line/dash_upper_w_spec.rb
index 31bb976ad21..8343bc08e43 100644
--- a/spec/ruby/command_line/dash_upper_w_spec.rb
+++ b/spec/ruby/command_line/dash_upper_w_spec.rb
@@ -18,3 +18,25 @@ end
describe "The -W command line option with 2" do
it_behaves_like :command_line_verbose, "-W2"
end
+
+ruby_version_is "2.7" do
+ describe "The -W command line option with :no-deprecated" do
+ it "suppresses deprecation warnings" do
+ result = ruby_exe('$; = ""', options: '-w', args: '2>&1')
+ result.should =~ /is deprecated/
+
+ result = ruby_exe('$; = ""', options: '-w -W:no-deprecated', args: '2>&1')
+ result.should == ""
+ end
+ end
+
+ describe "The -W command line option with :no-experimental" do
+ it "suppresses experimental warnings" do
+ result = ruby_exe('0 in a', args: '2>&1')
+ result.should =~ /is experimental/
+
+ result = ruby_exe('0 in a', options: '-W:no-experimental', args: '2>&1')
+ result.should == ""
+ end
+ end
+end