From d020a8c3498c0f7cda230dd950afc5e4ec2356ef Mon Sep 17 00:00:00 2001
From: Marc-Andre Lafortune <github@marc-andre.ca>
Date: Thu, 4 Jun 2020 13:29:55 -0400
Subject: [PATCH] Define correct predicates such that config.xxx? returns
 true/false

Notes:
* no idea why the `remove_method` is needed now and wasn't needed previously
* no spec failure as specs use `be_falsey` and `be_truthy`
---
 lib/rspec/core/configuration.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/rspec/core/configuration.rb b/lib/rspec/core/configuration.rb
index 0ad7e28b4a..60ec6e3c53 100644
--- a/lib/rspec/core/configuration.rb
+++ b/lib/rspec/core/configuration.rb
@@ -75,7 +75,13 @@ def self.define_aliases(name, alias_name)
 
       # @private
       def self.define_predicate_for(*names)
-        names.each { |name| alias_method "#{name}?", name }
+        names.each do |name|
+          class_eval <<-PREDICATE, __FILE__ , __LINE__ + 1
+            def #{name}?
+              !!#{name}
+            end
+          PREDICATE
+        end
       end
 
       # @private
@@ -1038,6 +1044,7 @@ def reporter
       #
       # Defaults `profile_examples` to 10 examples when `@profile_examples` is
       # `true`.
+      remove_method :profile_examples
       def profile_examples
         profile = value_for(:profile_examples) { @profile_examples }
         if profile && !profile.is_a?(Integer)