1 files changed, 11 insertions, 6 deletions
diff --git a/spec/ruby/shared/sizedqueue/new.rb b/spec/ruby/shared/sizedqueue/new.rb
index 4439f2a9c6..2573194efb 100644
--- a/spec/ruby/shared/sizedqueue/new.rb
+++ b/spec/ruby/shared/sizedqueue/new.rb
@@ -1,18 +1,23 @@
 describe :sizedqueue_new, shared: true do
-  it "raises a TypeError when the given argument is not Numeric" do
-    lambda { @object.call("foo") }.should raise_error(TypeError)
-    lambda { @object.call(Object.new) }.should raise_error(TypeError)
+  it "raises a TypeError when the given argument doesn't respond to #to_int" do
+    -> { @object.call("12") }.should raise_error(TypeError)
+    -> { @object.call(Object.new) }.should raise_error(TypeError)
+
+    @object.call(12.9).max.should == 12
+    object = Object.new
+    object.define_singleton_method(:to_int) { 42 }
+    @object.call(object).max.should == 42
   end
 
   it "raises an argument error when no argument is given" do
-    lambda { @object.call }.should raise_error(ArgumentError)
+    -> { @object.call }.should raise_error(ArgumentError)
   end
 
   it "raises an argument error when the given argument is zero" do
-    lambda { @object.call(0) }.should raise_error(ArgumentError)
+    -> { @object.call(0) }.should raise_error(ArgumentError)
   end
 
   it "raises an argument error when the given argument is negative" do
-    lambda { @object.call(-1) }.should raise_error(ArgumentError)
+    -> { @object.call(-1) }.should raise_error(ArgumentError)
   end
 end