1 files changed, 31 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/shared/integer_rounding.rb b/spec/ruby/core/integer/shared/integer_rounding.rb
new file mode 100644
index 0000000000..ecbda1bb4a
--- /dev/null
+++ b/spec/ruby/core/integer/shared/integer_rounding.rb
@@ -0,0 +1,31 @@
+describe :integer_rounding_positive_precision, shared: true do
+  it "returns self if not passed a precision" do
+    [2, -4, 10**70, -10**100].each do |v|
+      v.send(@method).should eql(v)
+    end
+  end
+
+  ruby_version_is "2.4" do
+    it "returns self if passed a precision of zero" do
+      [2, -4, 10**70, -10**100].each do |v|
+        v.send(@method, 0).should eql(v)
+      end
+    end
+  end
+
+  ruby_version_is "2.4"..."2.5" do
+    it "returns itself as a float if passed a positive precision" do
+      [2, -4, 10**70, -10**100].each do |v|
+        v.send(@method, 42).should eql(v.to_f)
+      end
+    end
+  end
+
+  ruby_version_is "2.5" do
+    it "returns itself if passed a positive precision" do
+      [2, -4, 10**70, -10**100].each do |v|
+        v.send(@method, 42).should eql(v)
+      end
+    end
+  end
+end