From 05159a8ba1a7756c28833647603f075ded3bf5be Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 23 Jan 2009 02:48:45 +0000
Subject: merge revision(s) 19320,19322: 	* lib/rexml/document.rb: limit
 entity expansion.  Thanks, Luka 	  Treiber, Mitja Kolsek, and Michael
 Koziarski.  backported from 	  trunk r19033, r19317, r19318. 	*
 lib/rexml/entity.rb: ditto. 	* test/rexml/test_document.rb: ditto. 	*
 NEWS: added an entry for REXML. 	* lib/rexml/document.rb: fixed typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@21742 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/rexml/test_document.rb | 65 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 test/rexml/test_document.rb

(limited to 'test')

diff --git a/test/rexml/test_document.rb b/test/rexml/test_document.rb
new file mode 100644
index 0000000000..5207b42d72
--- /dev/null
+++ b/test/rexml/test_document.rb
@@ -0,0 +1,65 @@
+require "rexml/document"
+require "test/unit"
+
+class REXML::TestDocument < Test::Unit::TestCase
+  def test_new
+    doc = REXML::Document.new(<<EOF)
+<?xml version="1.0" encoding="UTF-8"?>
+<message>Hello world!</message>
+EOF
+    assert_equal("Hello world!", doc.root.children.first.value)
+  end
+
+  XML_WITH_NESTED_ENTITY = <<EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE member [
+  <!ENTITY a "&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;">
+  <!ENTITY b "&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;">
+  <!ENTITY c "&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;">
+  <!ENTITY d "&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;">
+  <!ENTITY e "&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;">
+  <!ENTITY f "&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;">
+  <!ENTITY g "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx">
+]>
+<member>
+&a;
+</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
+      doc.root.children.first.value
+    end
+    REXML::Document.entity_expansion_limit = 100
+    assert_equal(100, REXML::Document.entity_expansion_limit)
+    doc = REXML::Document.new(XML_WITH_NESTED_ENTITY)
+    assert_raise(RuntimeError) do
+      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
-- 
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