From 50de8bf8d8d270398516d066f669f92e1934864b Mon Sep 17 00:00:00 2001 From: Tushar Verma Date: Wed, 12 Aug 2026 10:31:46 +0530 Subject: [PATCH] test(ip): expand is_ipv6 coverage across the IPv6address alternatives Signed-off-by: Tushar Verma --- test/ip/ipv6_test.cc | 324 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 324 insertions(+) diff --git a/test/ip/ipv6_test.cc b/test/ip/ipv6_test.cc index 99b5491308..80e6d61e1d 100644 --- a/test/ip/ipv6_test.cc +++ b/test/ip/ipv6_test.cc @@ -367,3 +367,327 @@ TEST(rejects_leading_single_colon_with_double) { TEST(rejects_trailing_single_colon_with_double) { EXPECT_FALSE(sourcemeta::core::is_ipv6("1::2:")); } + +TEST(valid_no_groups_before_elision_six_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3:4:5:6")); +} + +TEST(valid_no_groups_before_elision_five_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3:4:1.2.3.4")); +} + +TEST(valid_one_group_before_elision_five_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3:4:5:1.2.3.4")); +} + +TEST(valid_no_groups_before_elision_five_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3:4:5")); +} + +TEST(valid_no_groups_before_elision_four_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3:1.2.3.4")); +} + +TEST(valid_one_group_before_elision_five_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3:4:5:6")); +} + +TEST(valid_two_groups_before_elision_four_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2::3:4:5:1.2.3.4")); +} + +TEST(valid_no_groups_before_elision_four_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3:4")); +} + +TEST(valid_one_group_before_elision_four_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3:4:5")); +} + +TEST(valid_one_group_before_elision_three_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3:1.2.3.4")); +} + +TEST(valid_two_groups_before_elision_four_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2::3:4:5:6")); +} + +TEST(valid_three_groups_before_elision_three_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3::4:5:1.2.3.4")); +} + +TEST(valid_no_groups_before_elision_three_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2:3")); +} + +TEST(valid_one_group_before_elision_three_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3:4")); +} + +TEST(valid_one_group_before_elision_two_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:1.2.3.4")); +} + +TEST(valid_two_groups_before_elision_three_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2::3:4:5")); +} + +TEST(valid_two_groups_before_elision_two_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2::3:1.2.3.4")); +} + +TEST(valid_three_groups_before_elision_two_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3::4:1.2.3.4")); +} + +TEST(valid_four_groups_before_elision_two_groups_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4::5:1.2.3.4")); +} + +TEST(valid_no_groups_before_elision_two_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::1:2")); +} + +TEST(valid_one_group_before_elision_two_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1::2:3")); +} + +TEST(valid_three_groups_before_elision_one_group_after_with_ipv4) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3::1.2.3.4")); +} + +TEST(valid_four_groups_before_elision_two_groups_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4::5:6")); +} + +TEST(valid_three_groups_before_elision_one_group_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3::4")); +} + +TEST(valid_five_groups_before_elision_one_group_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4:5::6")); +} + +TEST(valid_two_groups_before_elision_nothing_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2::")); +} + +TEST(valid_three_groups_before_elision_nothing_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3::")); +} + +TEST(valid_four_groups_before_elision_nothing_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4::")); +} + +TEST(valid_five_groups_before_elision_nothing_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4:5::")); +} + +TEST(valid_six_groups_before_elision_nothing_after) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4:5:6::")); +} + +TEST(valid_embedded_ipv4_dec_octet_one_digit) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:0.0.0.0")); +} + +TEST(valid_embedded_ipv4_dec_octet_two_digit) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:42.42.42.42")); +} + +TEST(valid_embedded_ipv4_dec_octet_one_hundreds) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:199.199.199.199")); +} + +TEST(valid_embedded_ipv4_dec_octet_two_hundreds) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:249.249.249.249")); +} + +TEST(valid_embedded_ipv4_dec_octet_two_five_zero) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:250.250.250.250")); +} + +TEST(valid_embedded_ipv4_dec_octet_two_five_five) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ffff:255.255.255.255")); +} + +TEST(invalid_embedded_ipv4_octet_over_255_position_1) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:256.1.1.1")); +} + +TEST(invalid_embedded_ipv4_leading_zero_position_1) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:01.1.1.1")); +} + +TEST(invalid_embedded_ipv4_octet_over_255_position_2) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.256.1.1")); +} + +TEST(invalid_embedded_ipv4_leading_zero_position_2) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.01.1.1")); +} + +TEST(invalid_embedded_ipv4_octet_over_255_position_3) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.1.256.1")); +} + +TEST(invalid_embedded_ipv4_leading_zero_position_3) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.1.01.1")); +} + +TEST(invalid_embedded_ipv4_octet_over_255_position_4) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.1.1.256")); +} + +TEST(invalid_embedded_ipv4_leading_zero_position_4) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::ffff:1.1.1.01")); +} + +TEST(valid_compressed_group_one_digit) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::a")); +} + +TEST(valid_compressed_group_two_digits) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::ab")); +} + +TEST(valid_compressed_group_three_digits) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::abc")); +} + +TEST(valid_compressed_group_four_digits) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::abcd")); +} + +TEST(valid_compressed_group_leading_zero_two) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::0a")); +} + +TEST(valid_compressed_group_leading_zero_three) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::00a")); +} + +TEST(valid_compressed_group_leading_zero_four) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::000a")); +} + +TEST(valid_compressed_group_all_zero_four) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("::0000")); +} + +TEST(valid_compressed_uppercase) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("2001:DB8::AB")); +} + +TEST(valid_compressed_mixed_case) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("2001:dB8::aB")); +} + +TEST(valid_uppercase_ls32_hex) { + EXPECT_TRUE(sourcemeta::core::is_ipv6("1:2:3:4:5:6:AB:CD")); +} + +TEST(invalid_eight_groups_with_trailing_elision) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1:2:3:4:5:6:7:8::")); +} + +TEST(invalid_ipv4_before_elision) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1.2.3.4::")); +} + +TEST(invalid_ipv4_before_final_group) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1.2.3.4:5")); +} + +TEST(invalid_ipv4_in_first_position) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1.2.3.4:5:6:7:8:9:10")); +} + +TEST(invalid_five_hex_digits_after_elision) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("2001:db8::00001")); +} + +TEST(invalid_five_hex_digits_first_group) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("12345::1")); +} + +TEST(invalid_empty_group_in_middle) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1:2::3::4")); +} + +TEST(invalid_quadruple_colon) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1::::8")); +} + +TEST(invalid_only_double_colon_pair) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::::")); +} + +TEST(invalid_trailing_dot_after_ipv4) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1.2.3.4.")); +} + +TEST(invalid_open_bracket_only) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("[::1")); +} + +TEST(invalid_close_bracket_only) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1]")); +} + +TEST(invalid_zone_identifier_percent_encoded) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("fe80::1%25eth0")); +} + +TEST(invalid_zone_identifier_empty) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("fe80::1%")); +} + +TEST(invalid_prefix_length_zero) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::/0")); +} + +TEST(invalid_prefix_length_empty) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1/")); +} + +TEST(invalid_trailing_newline) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1\n")); +} + +TEST(invalid_leading_newline) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("\n::1")); +} + +TEST(invalid_trailing_tab) { EXPECT_FALSE(sourcemeta::core::is_ipv6("::1\t")); } + +TEST(invalid_trailing_carriage_return) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1\r")); +} + +TEST(invalid_embedded_space) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("::1 2")); +} + +TEST(invalid_leading_space) { EXPECT_FALSE(sourcemeta::core::is_ipv6(" ::1")); } + +TEST(invalid_fullwidth_hex_digit) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1:2:3:4:5:6:7:Ａ")); +} + +TEST(invalid_fullwidth_digit) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("１２３４::1")); +} + +TEST(invalid_arabic_indic_digit) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1:2:3:4:5:6:7:٤")); +} + +TEST(invalid_bengali_digit_in_embedded_ipv4) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1:2::192.16৪.0.1")); +} + +TEST(invalid_fullwidth_colon) { + EXPECT_FALSE(sourcemeta::core::is_ipv6("1：2:3:4:5:6:7:8")); +}