Fix test-all tests to avoid creating report_on_exception warnings

* The warnings are shown by Thread.report_on_exception defaulting to
  true. [Feature #14143] [ruby-core:83979]
* Improves tests by narrowing down the scope where an exception
  is expected.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 9 deletions

diff --git a/test/ruby/test_fiber.rb b/test/ruby/test_fiber.rb
index 92c9961259..7b513a11fa 100644
--- a/test/ruby/test_fiber.rb
+++ b/test/ruby/test_fiber.rb
@@ -70,10 +70,12 @@ class TestFiber < Test::Unit::TestCase
     assert_raise(ArgumentError){
       Fiber.new # Fiber without block
     }
-    assert_raise(FiberError){
-      f = Fiber.new{}
-      Thread.new{f.resume}.join # Fiber yielding across thread
-    }
+    f = Fiber.new{}
+    Thread.new{
+      assert_raise(FiberError){ # Fiber yielding across thread
+        f.resume
+      }
+    }.join
     assert_raise(FiberError){
       f = Fiber.new{}
       f.resume
@@ -199,11 +201,11 @@ class TestFiber < Test::Unit::TestCase
   end
 
   def test_resume_root_fiber
-    assert_raise(FiberError) do
-      Thread.new do
+    Thread.new do
+      assert_raise(FiberError) do
         Fiber.current.resume
-      end.join
-    end
+      end
+    end.join
   end
 
   def test_gc_root_fiber
@@ -377,4 +379,3 @@ class TestFiber < Test::Unit::TestCase
     assert_match(/resumed/, Fiber.current.to_s)
   end
 end
-