2 files changed, 15 insertions, 4 deletions
diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index 978bf770bf..0d5632d4d9 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -100,6 +100,14 @@ module EnvUtil
   end
   module_function :verbose_warning
 
+  def suppress_warning
+    verbose, $VERBOSE = $VERBOSE, nil
+    yield
+  ensure
+    $VERBOSE = verbose
+  end
+  module_function :suppress_warning
+
   def under_gc_stress
     stress, GC.stress = GC.stress, true
     yield
@@ -114,7 +122,7 @@ module Test
     module Assertions
       public
       def assert_normal_exit(testsrc, message = '', opt = {})
-        stdout, stderr, status = EnvUtil.invoke_ruby(%W'-W0', testsrc, true, true, opt)
+        _, _, status = EnvUtil.invoke_ruby(%W'-W0', testsrc, true, true, opt)
         pid = status.pid
         faildesc = proc do
           signo = status.termsig
@@ -161,7 +169,7 @@ module Test
       end
 
       def assert_ruby_status(args, test_stdin="", message=nil, opt={})
-        stdout, stderr, status = EnvUtil.invoke_ruby(args, test_stdin, false, false, opt)
+        _, _, status = EnvUtil.invoke_ruby(args, test_stdin, false, false, opt)
         m = message ? "#{message} (#{status.inspect})" : "ruby exit status is not success: #{status.inspect}"
         assert(status.success?, m)
       end
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 03d9c94766..5f3e98a6fd 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -1,6 +1,9 @@
 require 'test/unit'
+require_relative 'envutil'
 
 class TestFloat < Test::Unit::TestCase
+  include EnvUtil
+
   def test_float
     assert_equal(2, 2.6.floor)
     assert_equal(-3, (-2.6).floor)
@@ -426,10 +429,10 @@ class TestFloat < Test::Unit::TestCase
   def test_Float
     assert_in_delta(0.125, Float("0.1_2_5"), 0.00001)
     assert_in_delta(0.125, "0.1_2_5__".to_f, 0.00001)
-    assert_equal(1, Float(([1] * 10000).join).infinite?)
+    assert_equal(1, suppress_warning {Float(([1] * 10000).join)}.infinite?)
     assert(!Float(([1] * 10000).join("_")).infinite?) # is it really OK?
     assert_raise(ArgumentError) { Float("1.0\x001") }
-    assert_equal(1, Float("1e10_00").infinite?)
+    assert_equal(1, suppress_warning {Float("1e10_00")}.infinite?)
     assert_raise(TypeError) { Float(nil) }
     o = Object.new
     def o.to_f; inf = Float::INFINITY; inf/inf; end