add test coverage for read_resume_data() when v1 or v2 hashes do not …

…match the torrent metadata

test/test_read_resume.cpp

@@ -238,6 +238,46 @@ TORRENT_TEST(read_resume_torrent)
 	TEST_EQUAL(atp.ti->name(), ti->name());
 }
 
+TORRENT_TEST(mismatching_v1_hash)
+{
+	std::shared_ptr<torrent_info> ti = generate_torrent();
+
+	entry rd;
+	rd["file-format"] = "libtorrent resume file";
+	rd["file-version"] = 1;
+	rd["info-hash"] = "abababababababababab";
+	rd["info"] = bdecode(ti->info_section());
+
+	std::vector<char> resume_data;
+	bencode(std::back_inserter(resume_data), rd);
+
+	// the info-hash field does not match the torrent in the "info" field, so it
+	// will be ignored
+	error_code ec;
+	add_torrent_params atp = read_resume_data(resume_data, ec);
+	TEST_CHECK(ec == errors::mismatching_info_hash);
+}
+
+TORRENT_TEST(mismatching_v2_hash)
+{
+	std::shared_ptr<torrent_info> ti = generate_torrent();
+
+	entry rd;
+	rd["file-format"] = "libtorrent resume file";
+	rd["file-version"] = 1;
+	rd["info-hash2"] = "abababababababababababababababab";
+	rd["info"] = bdecode(ti->info_section());
+
+	std::vector<char> resume_data;
+	bencode(std::back_inserter(resume_data), rd);
+
+	// the info-hash field does not match the torrent in the "info" field, so it
+	// will be ignored
+	error_code ec;
+	add_torrent_params atp = read_resume_data(resume_data, ec);
+	TEST_CHECK(ec == errors::mismatching_info_hash);
+}
+
 namespace {
 
 void test_roundtrip(add_torrent_params input)