Throw exception unless source is a string

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/test_json.rb b/tests/test_json.rb
index 7beaaac..4b4bc55 100755
--- a/tests/test_json.rb
+++ b/tests/test_json.rb
@@ -109,6 +109,8 @@ class TestJSON < Test::Unit::TestCase
   def test_parse_json_primitive_values
     assert_raise(JSON::ParserError) { JSON.parse('') }
     assert_raise(JSON::ParserError) { JSON.parse('', :quirks_mode => true) }
+    assert_raise(TypeError) { JSON::Parser.new(nil).parse }
+    assert_raise(TypeError) { JSON::Parser.new(nil, :quirks_mode => true).parse }
     assert_raise(TypeError) { JSON.parse(nil) }
     assert_raise(TypeError) { JSON.parse(nil, :quirks_mode => true) }
     assert_raise(JSON::ParserError) { JSON.parse('  /* foo */ ') }