Add failing tests

These archive should not crash extraction when using --replace-originals

Reported-by: Smascer @Smascer
Reported-by: Bryan Sutula @sutula
Reference: #31
Reference: aboutcode-org/scancode-toolkit#2723
Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

tests/data/extract/replace-originals/issue6550.gz

@@ -0,0 +1 @@
+download_url: https://golang.org/src/compress/gzip/testdata/issue6550.gz.base64

tests/data/extract/replace-originals/issue6550.gz.ABOUT

@@ -0,0 +1 @@
+download_url: https://github.com/ruby/rake/blob/v0.9.2.2/doc/rake.1.gz?raw=true

tests/data/extract/replace-originals/rake.1.gz

@@ -273,6 +273,22 @@ def test_extract_tree_recursive_replace_originals(self):
         check_no_error(result)
         check_files(test_dir, expected)
 
+    def test_extract_with_replace_originals_does_not_fail_with_gz_with_trailing(self):
+        expected = (
+        )
+        test_dir = self.get_test_loc('extract/replace-originals/rake.1.gz', copy=True)
+        result = list(extract.extract(test_dir, recurse=True, replace_originals=True))
+        check_no_error(result)
+        check_files(test_dir, expected)
+
+    def test_extract_with_replace_originals_does_not_fail_with_corrupted_archive(self):
+        expected = (
+        )
+        test_dir = self.get_test_loc('extract/replace-originals/issue6550.gz', copy=True)
+        result = list(extract.extract(test_dir, recurse=True, replace_originals=True))
+        check_no_error(result)
+        check_files(test_dir, expected)
+
     def test_extract_tree_shallow_then_recursive(self):
         shallow = (
             'a/a.tar.gz',