Test that an incorrectly stored mimetype is detected.

hainesr · Oct 20, 2018 · d4bee33 · d4bee33
1 parent 576a7dd
commit d4bee33
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Showing 3 changed files with 11 additions and 0 deletions.
diff --git a/test/data/bad_mimetype_offset.container b/test/data/bad_mimetype_offset.container
diff --git a/test/read_file_test.rb b/test/read_file_test.rb
@@ -77,6 +77,16 @@ def test_verify_compressed_mimetype
     refute(ZipContainer::File.verify?(COMPRESSED_MIMETYPE))
   end
 
+  # Check that a container with an incorrectly stored mimetype is detected.
+  def test_verify_bad_mimetype_offset
+    assert_raises(ZipContainer::MalformedContainerError) do
+      ZipContainer::File.verify!(BAD_MIMETYPE_OFFSET)
+    end
+
+    refute(ZipContainer::File.verify(BAD_MIMETYPE_OFFSET).empty?)
+    refute(ZipContainer::File.verify?(BAD_MIMETYPE_OFFSET))
+  end
+
   # Check the raw mimetype bytes
   def test_raw_mimetypes
     empty_container = File.read(EMPTY_CONT)

diff --git a/test/test_helper.rb b/test/test_helper.rb
@@ -50,5 +50,6 @@
 EMPTY_CONT = 'test/data/empty.container'.freeze
 EMPTY_ZIP = 'test/data/empty.zip'.freeze
 COMPRESSED_MIMETYPE = 'test/data/compressed_mimetype.container'.freeze
+BAD_MIMETYPE_OFFSET = 'test/data/bad_mimetype_offset.container'.freeze
 EXAMPLE = 'test/data/example.container'.freeze
 SUBCLASS = 'test/data/subclassed.container'.freeze