+module Spec
+ module Matchers
+ class BaseOperatorMatcher
+ attr_reader :generated_description
+
+ def initialize(target)
+ @target = target
+ end
+
+ def ==(expected)
+ @expected = expected
+ __delegate_method_missing_to_target("==", expected)
+ end
+
+ def ===(expected)
+ @expected = expected
+ __delegate_method_missing_to_target("===", expected)
+ end
+
+ def =~(expected)
+ @expected = expected
+ __delegate_method_missing_to_target("=~", expected)
+ end
+
+ def >(expected)
+ @expected = expected
+ __delegate_method_missing_to_target(">", expected)
+ end
+
+ def >=(expected)
+ @expected = expected
+ __delegate_method_missing_to_target(">=", expected)
+ end
+
+ def <(expected)
+ @expected = expected
+ __delegate_method_missing_to_target("<", expected)
+ end
+
+ def <=(expected)
+ @expected = expected
+ __delegate_method_missing_to_target("<=", expected)
+ end
+
+ def fail_with_message(message)
+ Spec::Expectations.fail_with(message, @expected, @target)
+ end
+
+ end
+
+ class PositiveOperatorMatcher < BaseOperatorMatcher #:nodoc:
+
+ def __delegate_method_missing_to_target(operator, expected)
+ ::Spec::Matchers.generated_description = "should #{operator} #{expected.inspect}"
+ return if @target.send(operator, expected)
+ return fail_with_message("expected: #{expected.inspect},\n got: #{@target.inspect} (using #{operator})") if ['==','===', '=~'].include?(operator)
+ return fail_with_message("expected: #{operator} #{expected.inspect},\n got: #{operator.gsub(/./, ' ')} #{@target.inspect}")
+ end
+
+ end
+
+ class NegativeOperatorMatcher < BaseOperatorMatcher #:nodoc:
+
+ def __delegate_method_missing_to_target(operator, expected)
+ ::Spec::Matchers.generated_description = "should not #{operator} #{expected.inspect}"
+ return unless @target.send(operator, expected)
+ return fail_with_message("expected not: #{operator} #{expected.inspect},\n got: #{operator.gsub(/./, ' ')} #{@target.inspect}")
+ end
+
+ end
+
+ end
+end