Reword Thread #thread_variable_get/#thread_variable_set/#thread_varia…

…ble?/#thread_variables specs titles

core/thread/thread_variable_get_spec.rb

@@ -23,9 +23,10 @@
     Thread.current.thread_variable_get(:thread_variable_get_spec).should be_nil
   end
 
-  it "converts a String key into a Symbol" do
-    @t.thread_variable_set(:a, 49)
-    @t.thread_variable_get('a').should == 49
+  it "accepts String and Symbol keys interchangeably" do
+    @t.thread_variable_set("a", 49)
+    @t.thread_variable_get("a").should == 49
+    @t.thread_variable_get(:a).should == 49
   end
 
   it "converts a key that is neither String nor Symbol with #to_str" do

core/thread/thread_variable_set_spec.rb

@@ -24,9 +24,12 @@
     Thread.current.thread_variable_get(:thread_variable_get_spec).should be_nil
   end
 
-  it "converts a String key into a Symbol" do
+  it "accepts String and Symbol keys interchangeably" do
     @t.thread_variable_set('a', 49)
-    @t.thread_variable_get(:a).should == 49
+    @t.thread_variable_get('a').should == 49
+
+    @t.thread_variable_set(:a, 50)
+    @t.thread_variable_get('a').should == 50
   end
 
   it "converts a key that is neither String nor Symbol with #to_str" do

core/thread/thread_variable_spec.rb

@@ -19,9 +19,14 @@
     @t.thread_variable?(:a).should be_true
   end
 
-  it "converts a String key into a Symbol" do
+  it "accepts String and Symbol keys interchangeably" do
+    @t.thread_variable?('a').should be_false
+    @t.thread_variable?(:a).should be_false
+
     @t.thread_variable_set(:a, 49)
+
     @t.thread_variable?('a').should be_true
+    @t.thread_variable?(:a).should be_true
   end
 
   it "converts a key that is neither String nor Symbol with #to_str" do

core/thread/thread_variables_spec.rb

@@ -27,11 +27,13 @@
     @t.thread_variables.should == []
   end
 
-  it "converts keys into Symbols" do
+  it "returns keys as Symbols" do
     key = mock('key')
     key.should_receive(:to_str).and_return('a')
+
     @t.thread_variable_set(key, 49)
     @t.thread_variable_set('b', 50)
-    @t.thread_variables.sort.should == [:a, :b]
+    @t.thread_variable_set(:c, 51)
+    @t.thread_variables.sort.should == [:a, :b, :c]
   end
 end