1 files changed, 51 insertions, 0 deletions
diff --git a/activesupport/test/misc_test.rb b/activesupport/test/misc_test.rb
new file mode 100644
index 0000000000..2a6c40709a
--- /dev/null
+++ b/activesupport/test/misc_test.rb
@@ -0,0 +1,51 @@
+require 'test/unit'
+require File.dirname(__FILE__) + '/../lib/misc'
+
+class MiscTest < Test::Unit::TestCase
+  def test_silence_warnings
+    silence_warnings { assert_nil $VERBOSE }
+    assert_equal 1234, silence_warnings { 1234 }
+  end
+
+  def test_silence_warnings_verbose_invariant
+    old_verbose = $VERBOSE
+    begin
+      silence_warnings { raise }
+      flunk
+    rescue
+      assert_equal old_verbose, $VERBOSE
+    end
+  end
+end
+
+class HashOptionsTest < Test::Unit::TestCase
+  def setup
+    @strings = { 'a' => 1, 'b' => 2 }
+    @symbols = { :a  => 1, :b  => 2 }
+    @mixed   = { :a  => 1, 'b' => 2 }
+  end
+
+  def test_methods
+    h = {}
+    assert_respond_to h, :symbolize_keys
+    assert_respond_to h, :symbolize_keys!
+    assert_respond_to h, :to_options
+    assert_respond_to h, :to_options!
+  end
+
+  def test_symbolize_keys
+    assert_equal @symbols, @symbols.symbolize_keys
+    assert_equal @symbols, @strings.symbolize_keys
+    assert_equal @symbols, @mixed.symbolize_keys
+
+    assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys }
+  end
+
+  def test_symbolize_keys!
+    assert_equal @symbols, @symbols.dup.symbolize_keys!
+    assert_equal @symbols, @strings.dup.symbolize_keys!
+    assert_equal @symbols, @mixed.dup.symbolize_keys!
+
+    assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys! }
+  end
+end