Add specs for constants with op assigns (2.0+ feature)

jruby · Feb 2, 2016 · 82d8c47 · 82d8c47 · kares · Feb 3, 2016
1 parent 2500f47
commit 82d8c47
Showing 1 changed file with 37 additions and 0 deletions.
diff --git a/spec/ruby/language/optional_assignments_spec.rb b/spec/ruby/language/optional_assignments_spec.rb
@@ -36,4 +36,41 @@
       a.should == 10
     end
   end
+
+  describe 'using compunded constants' do
+    before do
+      Object.send(:remove_const, :A) if defined? Object::A
+    end
+
+    it 'with ||= assignments' do
+      Object::A ||= 10
+      Object::A.should == 10
+    end
+
+    it 'with ||= do not reassign' do
+      Object::A = 20
+      Object::A ||= 10
+      Object::A.should == 20
+    end
+
+    it 'with &&= assignments' do
+      Object::A = 20
+      Object::A &&= 10
+      Object::A.should == 10
+    end
+
+    it 'with &&= assignments will fail with non-existant constants' do
+      lambda { Object::A &&= 10 }.should raise_error(NameError)
+    end
+
+    it 'with operator assignments' do
+      Object::A = 20
+      Object::A += 10
+      Object::A.should == 30
+    end
+
+    it 'with operator assignments will fail with non-existant constants' do
+      lambda { Object::A += 10 }.should raise_error(NameError)
+    end
+  end
 end