1 files changed, 48 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/Complex_spec.rb b/spec/ruby/core/kernel/Complex_spec.rb
index 44e4f44ada..e5435a56e6 100644
--- a/spec/ruby/core/kernel/Complex_spec.rb
+++ b/spec/ruby/core/kernel/Complex_spec.rb
@@ -138,4 +138,52 @@ describe "Kernel.Complex()" do
       lambda { Complex(nil, 0) }.should raise_error(TypeError, "can't convert nil into Complex")
     end
   end
+
+  ruby_version_is "2.6" do
+    describe "when passed exception: false" do
+      describe "and [Numeric]" do
+        it "returns a complex number" do
+          Complex("123", exception: false).should == Complex(123)
+        end
+      end
+
+      describe "and [non-Numeric]" do
+        it "swallows an error" do
+          Complex(:sym, exception: false).should == nil
+        end
+      end
+
+      describe "and [non-Numeric, Numeric] argument" do
+        it "throws a TypeError" do
+          lambda { Complex(:sym, 0, exception: false) }.should raise_error(TypeError, "not a real")
+        end
+      end
+
+      describe "and [anything, non-Numeric] argument" do
+        it "swallows an error" do
+          Complex("a",  :sym, exception: false).should == nil
+          Complex(:sym, :sym, exception: false).should == nil
+          Complex(0,    :sym, exception: false).should == nil
+        end
+      end
+
+      describe "and non-numeric String arguments" do
+        it "swallows an error" do
+          Complex("a", "b", exception: false).should == nil
+          Complex("a", 0, exception: false).should == nil
+          Complex(0, "b", exception: false).should == nil
+        end
+      end
+
+      ruby_bug "#15525", "2.6"..."2.6.1" do
+        describe "and nil arguments" do
+          it "swallows an error" do
+            Complex(nil, exception: false).should == nil
+            Complex(0, nil, exception: false).should == nil
+            Complex(nil, 0, exception: false).should == nil
+          end
+        end
+      end
+    end
+  end
 end