aboutsummaryrefslogtreecommitdiffstats
path: root/spec/ruby/core/kernel/singleton_method_spec.rb
diff options
context:
space:
mode:
authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/kernel/singleton_method_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/kernel/singleton_method_spec.rb')
-rw-r--r--spec/ruby/core/kernel/singleton_method_spec.rb41
1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/singleton_method_spec.rb b/spec/ruby/core/kernel/singleton_method_spec.rb
new file mode 100644
index 0000000000..77022b40c2
--- /dev/null
+++ b/spec/ruby/core/kernel/singleton_method_spec.rb
@@ -0,0 +1,41 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Kernel#singleton_method" do
+ it "find a method defined on the singleton class" do
+ obj = Object.new
+ def obj.foo; end
+ obj.singleton_method(:foo).should be_an_instance_of(Method)
+ end
+
+ it "returns a Method which can be called" do
+ obj = Object.new
+ def obj.foo; 42; end
+ obj.singleton_method(:foo).call.should == 42
+ end
+
+ it "only looks at singleton methods and not at methods in the class" do
+ klass = Class.new do
+ def foo
+ 42
+ end
+ end
+ obj = klass.new
+ obj.foo.should == 42
+ -> {
+ obj.singleton_method(:foo)
+ }.should raise_error(NameError) { |e|
+ # a NameError and not a NoMethodError
+ e.class.should == NameError
+ }
+ end
+
+ it "raises a NameError if there is no such method" do
+ obj = Object.new
+ -> {
+ obj.singleton_method(:not_existing)
+ }.should raise_error(NameError) { |e|
+ # a NameError and not a NoMethodError
+ e.class.should == NameError
+ }
+ end
+end