test/unit/assertions.rb: all_assertions

* test/lib/test/unit/assertions.rb (all_assertions): try all
  assertions and check if all passed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb
index 727c54c9d5..6c36c4e8c5 100644
--- a/test/lib/test/unit/assertions.rb
+++ b/test/lib/test/unit/assertions.rb
@@ -442,6 +442,28 @@ EOT
         assert(failed.empty?, message(m) {failed.pretty_inspect})
       end
 
+      class AllFailures
+        attr_reader :failures
+
+        def initialize
+          @failures = {}
+        end
+
+        def for(key)
+          yield
+        rescue Exception => e
+          @failures[key] = e
+        end
+      end
+
+      def all_assertions(msg = nil)
+        all = AllFailures.new
+        yield all
+      ensure
+        failures = all.failures
+        assert(failures.empty?, message(msg) {mu_pp(failures)})
+      end
+
       def build_message(head, template=nil, *arguments) #:nodoc:
         template &&= template.chomp
         template.gsub(/\G((?:[^\\]|\\.)*?)(\\)?\?/) { $1 + ($2 ? "?" : mu_pp(arguments.shift)) }