1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/shared/sizedqueue/new.rb b/spec/ruby/shared/sizedqueue/new.rb
new file mode 100644
index 0000000000..2573194efb
--- /dev/null
+++ b/spec/ruby/shared/sizedqueue/new.rb
@@ -0,0 +1,23 @@
+describe :sizedqueue_new, shared: true do
+  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
+    -> { @object.call }.should raise_error(ArgumentError)
+  end
+
+  it "raises an argument error when the given argument is zero" do
+    -> { @object.call(0) }.should raise_error(ArgumentError)
+  end
+
+  it "raises an argument error when the given argument is negative" do
+    -> { @object.call(-1) }.should raise_error(ArgumentError)
+  end
+end