* test/bigdecimal/testbase.rb (teardown): should reset all modes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/bigdecimal/test_bigdecimal.rb

@@ -1,14 +1,7 @@
-require "test/unit"
-require "bigdecimal"
+require_relative "testbase"
 
 class TestBigDecimal < Test::Unit::TestCase
-  def setup
-    BigDecimal.mode(BigDecimal::EXCEPTION_ALL, true)
-    BigDecimal.mode(BigDecimal::EXCEPTION_UNDERFLOW, true)
-    BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, true)
-    BigDecimal.mode(BigDecimal::ROUND_MODE, BigDecimal::ROUND_HALF_UP)
-    BigDecimal.limit(0)
-  end
+  include TestBigDecimalBase
 
   def test_version
     assert_equal("1.0.1", BigDecimal.ver)

test/bigdecimal/test_bigmath.rb

@@ -1,8 +1,8 @@
-require "test/unit"
-require "bigdecimal"
+require_relative "testbase"
 require "bigdecimal/math"
 
 class TestBigMath < Test::Unit::TestCase
+  include TestBigDecimalBase
   include BigMath
   N = 20
   PINF = BigDecimal("+Infinity")

test/bigdecimal/testbase.rb

@@ -0,0 +1,20 @@
+require "test/unit"
+require "bigdecimal"
+
+module TestBigDecimalBase
+  def setup
+    @mode = BigDecimal.mode(BigDecimal::EXCEPTION_ALL)
+    BigDecimal.mode(BigDecimal::EXCEPTION_ALL, true)
+    BigDecimal.mode(BigDecimal::EXCEPTION_UNDERFLOW, true)
+    BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, true)
+    BigDecimal.mode(BigDecimal::ROUND_MODE, BigDecimal::ROUND_HALF_UP)
+    BigDecimal.limit(0)
+  end
+
+  def teardown
+    [BigDecimal::EXCEPTION_INFINITY, BigDecimal::EXCEPTION_NaN,
+     BigDecimal::EXCEPTION_UNDERFLOW, BigDecimal::EXCEPTION_OVERFLOW].each do |mode|
+      BigDecimal.mode(mode, !(@mode & mode).zero?)
+    end
+  end
+end