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Diffstat (limited to 'spec/ruby/core/kernel/warn_spec.rb')
-rw-r--r-- | spec/ruby/core/kernel/warn_spec.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/warn_spec.rb b/spec/ruby/core/kernel/warn_spec.rb index 7a0c431ff0..0b461ec25a 100644 --- a/spec/ruby/core/kernel/warn_spec.rb +++ b/spec/ruby/core/kernel/warn_spec.rb @@ -77,6 +77,15 @@ describe "Kernel#warn" do }.should output(nil, /\n/) end + it "writes to_s representation if passed a non-string" do + obj = mock("obj") + obj.should_receive(:to_s).and_return("to_s called") + lambda { + $VERBOSE = true + warn(obj) + }.should output(nil, "to_s called\n") + end + ruby_version_is "2.5" do describe ":uplevel keyword argument" do before :each do |