diff options
Diffstat (limited to 'test/rexml/test_document.rb')
-rw-r--r-- | test/rexml/test_document.rb | 65 |
1 files changed, 65 insertions, 0 deletions
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 |