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rails--rails/actionpack/test/controller/output_escaping_test.rb

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require 'abstract_unit'
class OutputEscapingTest < ActiveSupport::TestCase
test "escape_html shouldn't die when passed nil" do
assert ERB::Util.h(nil).blank?
end
test "escapeHTML should escape strings" do
assert_equal "&lt;&gt;&quot;", ERB::Util.h("<>\"")
end
test "escapeHTML shouldn't touch explicitly safe strings" do
assert_equal "<", ERB::Util.h("<".html_safe)
end
end