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

1 files changed, 27 insertions, 0 deletions

diff --git a/spec/ruby/core/hash/invert_spec.rb b/spec/ruby/core/hash/invert_spec.rb
new file mode 100644
index 0000000000..bc2bf711f7
--- /dev/null
+++ b/spec/ruby/core/hash/invert_spec.rb
@@ -0,0 +1,27 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Hash#invert" do
+  it "returns a new hash where keys are values and vice versa" do
+    { 1 => 'a', 2 => 'b', 3 => 'c' }.invert.should ==
+      { 'a' => 1, 'b' => 2, 'c' => 3 }
+  end
+
+  it "handles collisions by overriding with the key coming later in keys()" do
+    h = { a: 1, b: 1 }
+    override_key = h.keys.last
+    h.invert[1].should == override_key
+  end
+
+  it "compares new keys with eql? semantics" do
+    h = { a: 1.0, b: 1 }
+    i = h.invert
+    i[1.0].should == :a
+    i[1].should == :b
+  end
+
+  it "does not return subclass instances for subclasses" do
+    HashSpecs::MyHash[1 => 2, 3 => 4].invert.class.should == Hash
+    HashSpecs::MyHash[].invert.class.should == Hash
+  end
+end