* text/rexml/test_document.rb (test_entity_expansion_limit): added tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19317 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 23 insertions, 0 deletions

diff --git a/test/rexml/test_document.rb b/test/rexml/test_document.rb
index 9e9e58b7a0..feabf2898e 100644
--- a/test/rexml/test_document.rb
+++ b/test/rexml/test_document.rb
@@ -67,6 +67,18 @@ EOF
 </member>
 EOF
 
+  XML_WITH_4_ENTITY_EXPANSION = <<EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE member [
+  <!ENTITY a "a">
+  <!ENTITY a2 "&a; &a;">
+]>
+<member>
+&a;
+&a2;
+</member>
+EOF
+
   def test_entity_expansion_limit
     doc = REXML::Document.new(XML_WITH_NESTED_ENTITY)
     assert_raise(RuntimeError) do
@@ -79,5 +91,16 @@ EOF
       doc.root.children.first.value
     end
     assert_equal(101, doc.entity_expansion_count)
+
+    REXML::Document.entity_expansion_limit = 4
+    doc = REXML::Document.new(XML_WITH_4_ENTITY_EXPANSION)
+    assert_equal("\na\na a\n", doc.root.children.first.value)
+    REXML::Document.entity_expansion_limit = 3
+    doc = REXML::Document.new(XML_WITH_4_ENTITY_EXPANSION)
+    assert_raise(RuntimeError) do
+      doc.root.children.first.value
+    end
+  ensure
+    REXML::Document.entity_expansion_limit = 10000
   end
 end