From 319f97adb9b88f4ff378618fea4d1968faedebeb Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 27 Nov 2009 02:55:16 +0000
Subject: merges r25067 from trunk into ruby_1_9_1 and added a test for it. --
 * lib/mathn.rb (Bignum#**): Fixed bignum**fixnum that was broken when
 requiring lib/mathn   [ruby-core:25740] -- * test/test_mathn.rb (TestMathn):
 new test case.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@25949 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_complex.rb  |  3 ++-
 test/ruby/test_rational.rb |  3 ++-
 test/test_mathn.rb         | 10 ++++++++++
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 test/test_mathn.rb

(limited to 'test')

diff --git a/test/ruby/test_complex.rb b/test/ruby/test_complex.rb
index b4be08ed91..33cafbde57 100644
--- a/test/ruby/test_complex.rb
+++ b/test/ruby/test_complex.rb
@@ -9,7 +9,8 @@ class Complex_Test < Test::Unit::TestCase
     if @rational
       @keiju = Rational.instance_variable_get('@RCS_ID')
     end
-    @unify = $".grep(/mathn/).size != 0
+    seps = [File::SEPARATOR, File::ALT_SEPARATOR].compact.map{|x| Regexp.escape(x)}.join("|")
+    @unify = $".grep(/(?:^|#{seps})mathn(?:\.(?:rb|so))?/).size != 0
   end
 
   def test_compsub
diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb
index 8cacab9a09..37efc7b493 100644
--- a/test/ruby/test_rational.rb
+++ b/test/ruby/test_rational.rb
@@ -9,7 +9,8 @@ class Rational_Test < Test::Unit::TestCase
     if @complex
       @keiju = Complex.instance_variable_get('@RCS_ID')
     end
-    @unify = $".grep(/mathn/).size != 0
+    seps = [File::SEPARATOR, File::ALT_SEPARATOR].compact.map{|x| Regexp.escape(x)}.join("|")
+    @unify = $".grep(/(?:^|#{seps})mathn(?:\.(?:rb|so))?/).size != 0
   end
 
   def test_ratsub
diff --git a/test/test_mathn.rb b/test/test_mathn.rb
new file mode 100644
index 0000000000..d0bf03760d
--- /dev/null
+++ b/test/test_mathn.rb
@@ -0,0 +1,10 @@
+require 'test/unit'
+require_relative 'ruby/envutil'
+
+# mathn redefines too much. It must be isolated to child processes.
+class TestMathn < Test::Unit::TestCase
+  def test_power
+    assert_in_out_err ['-r', 'mathn', '-e', '1**2'], [], [], [], '[ruby-core:25740]'
+    assert_in_out_err ['-r', 'mathn', '-e', '(1<<126)**2'], [], [], [], '[ruby-core:25740]'
+  end
+end
-- 
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