Update throw_symbol specs to use method instead of matcher

[#1040 state:resolved]

example_spec.rb

@@ -0,0 +1,4 @@
+context 'foo' do
+  subject { [] }
+  its(:size) { should == 1 }
+end

lib/spec/matchers/throw_symbol.rb

@@ -93,8 +93,8 @@ def args
     #   lambda { do_something_risky }.should_not throw_symbol
     #   lambda { do_something_risky }.should_not throw_symbol(:that_was_risky)
     #   lambda { do_something_risky }.should_not throw_symbol(:that_was_risky, culprit)
-    def throw_symbol(sym=nil)
-      Matchers::ThrowSymbol.new(sym)
+    def throw_symbol(expected_symbol = nil, expected_arg=nil)
+      Matchers::ThrowSymbol.new(expected_symbol, expected_arg)
     end
   end
 end

spec/spec/matchers/throw_symbol_spec.rb

@@ -4,7 +4,7 @@ module Spec
   module Matchers
     describe ThrowSymbol do
       describe "with no args" do
-        let(:matcher) { ThrowSymbol.new }
+        let(:matcher) { throw_symbol }
 
         it "matches if any Symbol is thrown" do
           matcher.matches?(lambda{ throw :sym }).should be_true
@@ -30,7 +30,7 @@ module Matchers
       end
 
       describe "with a symbol" do
-        let(:matcher) { ThrowSymbol.new(:sym) }
+        let(:matcher) { throw_symbol(:sym) }
 
         it "matches if correct Symbol is thrown" do
           matcher.matches?(lambda{ throw :sym }).should be_true
@@ -75,7 +75,7 @@ module Matchers
       end
 
       describe "with a symbol and an arg" do
-        let(:matcher) { ThrowSymbol.new(:sym, "a") }
+        let(:matcher) { throw_symbol(:sym, "a") }
 
         it "matches if correct Symbol and args are thrown" do
           matcher.matches?(lambda{ throw :sym, "a" }).should be_true