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-rw-r--r--test/rexml/test_document.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/rexml/test_document.rb b/test/rexml/test_document.rb
index 9e9e58b..feabf28 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