1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/fetch_values_spec.rb b/spec/ruby/core/hash/fetch_values_spec.rb
new file mode 100644
index 0000000000..d6e47d5885
--- /dev/null
+++ b/spec/ruby/core/hash/fetch_values_spec.rb
@@ -0,0 +1,35 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+ruby_version_is "2.3" do
+  describe "Hash#fetch_values" do
+    before :each do
+      @hash = { a: 1, b: 2, c: 3 }
+    end
+
+    describe "with matched keys" do
+      it "returns the values for keys" do
+        @hash.fetch_values(:a).should == [1]
+        @hash.fetch_values(:a, :c).should == [1, 3]
+      end
+    end
+
+    describe "with unmatched keys" do
+      it "raises a KeyError" do
+        ->{ @hash.fetch_values :z }.should raise_error(KeyError)
+        ->{ @hash.fetch_values :a, :z }.should raise_error(KeyError)
+      end
+
+      it "returns the default value from block" do
+        @hash.fetch_values(:z) { |key| "`#{key}' is not found" }.should == ["`z' is not found"]
+        @hash.fetch_values(:a, :z) { |key| "`#{key}' is not found" }.should == [1, "`z' is not found"]
+      end
+    end
+
+    describe "without keys" do
+      it "returns an empty Array" do
+        @hash.fetch_values.should == []
+      end
+    end
+  end
+end