1 files changed, 0 insertions, 44 deletions
diff --git a/spec/ruby/library/set/proper_subset_spec.rb b/spec/ruby/library/set/proper_subset_spec.rb
deleted file mode 100644
index 6b51dedc9f..0000000000
--- a/spec/ruby/library/set/proper_subset_spec.rb
+++ /dev/null
@@ -1,44 +0,0 @@
-require_relative '../../spec_helper'
-require_relative 'fixtures/set_like'
-require 'set'
-set_version = defined?(Set::VERSION) ? Set::VERSION : '1.0.0'
-
-describe "Set#proper_subset?" do
-  before :each do
-    @set = Set[1, 2, 3, 4]
-  end
-
-  it "returns true if passed a Set that self is a proper subset of" do
-    Set[].proper_subset?(@set).should be_true
-    Set[].proper_subset?(Set[1, 2, 3]).should be_true
-    Set[].proper_subset?(Set["a", :b, ?c]).should be_true
-
-    Set[1, 2, 3].proper_subset?(@set).should be_true
-    Set[1, 3].proper_subset?(@set).should be_true
-    Set[1, 2].proper_subset?(@set).should be_true
-    Set[1].proper_subset?(@set).should be_true
-
-    Set[5].proper_subset?(@set).should be_false
-    Set[1, 5].proper_subset?(@set).should be_false
-    Set[nil].proper_subset?(@set).should be_false
-    Set["test"].proper_subset?(@set).should be_false
-
-    @set.proper_subset?(@set).should be_false
-    Set[].proper_subset?(Set[]).should be_false
-  end
-
-  it "raises an ArgumentError when passed a non-Set" do
-    -> { Set[].proper_subset?([]) }.should raise_error(ArgumentError)
-    -> { Set[].proper_subset?(1) }.should raise_error(ArgumentError)
-    -> { Set[].proper_subset?("test") }.should raise_error(ArgumentError)
-    -> { Set[].proper_subset?(Object.new) }.should raise_error(ArgumentError)
-  end
-
-  version_is(set_version, ""..."1.1.0") do #ruby_version_is ""..."3.3" do
-    context "when comparing to a Set-like object" do
-      it "returns true if passed a Set-like object that self is a proper subset of" do
-        Set[1, 2, 3].proper_subset?(SetSpecs::SetLike.new([1, 2, 3, 4])).should be_true
-      end
-    end
-  end
-end