From 3a0f5398a2598c2176e416115754951913a63f57 Mon Sep 17 00:00:00 2001 From: Niels Lohmann Date: Wed, 7 Dec 2016 22:50:10 +0100 Subject: [PATCH] :white_check_mark: more CBOR test cases --- test/src/unit-cbor.cpp | 186 ++++++++++++++++++++++++++++++++++++----- 1 file changed, 165 insertions(+), 21 deletions(-) diff --git a/test/src/unit-cbor.cpp b/test/src/unit-cbor.cpp index 43c8f70e..bbf47bc3 100644 --- a/test/src/unit-cbor.cpp +++ b/test/src/unit-cbor.cpp @@ -37,6 +37,14 @@ TEST_CASE("CBOR") { SECTION("individual values") { + SECTION("discarded") + { + // discarded values are not serialized + json j = json::value_t::discarded; + const auto result = json::to_cbor(j); + CHECK(result.empty()); + } + SECTION("null") { json j = nullptr; @@ -413,9 +421,9 @@ TEST_CASE("CBOR") SECTION("unsigned") { - SECTION("0..127 (positive fixnum)") + SECTION("0..23 (Integer)") { - for (size_t i = 0; i <= 127; ++i) + for (size_t i = 0; i <= 23; ++i) { CAPTURE(i); @@ -430,7 +438,7 @@ TEST_CASE("CBOR") expected.push_back(static_cast(i)); // compare result + size - const auto result = json::to_msgpack(j); + const auto result = json::to_cbor(j); CHECK(result == expected); CHECK(result.size() == 1); @@ -438,13 +446,13 @@ TEST_CASE("CBOR") CHECK(result[0] == i); // roundtrip - CHECK(json::from_msgpack(result) == j); + CHECK(json::from_cbor(result) == j); } } - SECTION("128..255 (uint 8)") + SECTION("24..255 (one-byte uint8_t)") { - for (size_t i = 128; i <= 255; ++i) + for (size_t i = 24; i <= 255; ++i) { CAPTURE(i); @@ -456,25 +464,25 @@ TEST_CASE("CBOR") // create expected byte vector std::vector expected; - expected.push_back(0xcc); + expected.push_back(0x18); expected.push_back(static_cast(i)); // compare result + size - const auto result = json::to_msgpack(j); + const auto result = json::to_cbor(j); CHECK(result == expected); CHECK(result.size() == 2); // check individual bytes - CHECK(result[0] == 0xcc); + CHECK(result[0] == 0x18); uint8_t restored = static_cast(result[1]); CHECK(restored == i); // roundtrip - CHECK(json::from_msgpack(result) == j); + CHECK(json::from_cbor(result) == j); } } - SECTION("256..65535 (uint 16)") + SECTION("256..65535 (two-byte uint16_t)") { for (size_t i = 256; i <= 65535; ++i) { @@ -488,26 +496,26 @@ TEST_CASE("CBOR") // create expected byte vector std::vector expected; - expected.push_back(0xcd); + expected.push_back(0x19); expected.push_back(static_cast((i >> 8) & 0xff)); expected.push_back(static_cast(i & 0xff)); // compare result + size - const auto result = json::to_msgpack(j); + const auto result = json::to_cbor(j); CHECK(result == expected); CHECK(result.size() == 3); // check individual bytes - CHECK(result[0] == 0xcd); + CHECK(result[0] == 0x19); uint16_t restored = static_cast(result[1]) * 256 + static_cast(result[2]); CHECK(restored == i); // roundtrip - CHECK(json::from_msgpack(result) == j); + CHECK(json::from_cbor(result) == j); } } - SECTION("65536..4294967295 (uint 32)") + SECTION("65536..4294967295 (four-byte uint32_t)") { for (uint32_t i : { @@ -524,19 +532,19 @@ TEST_CASE("CBOR") // create expected byte vector std::vector expected; - expected.push_back(0xce); + expected.push_back(0x1a); expected.push_back(static_cast((i >> 24) & 0xff)); expected.push_back(static_cast((i >> 16) & 0xff)); expected.push_back(static_cast((i >> 8) & 0xff)); expected.push_back(static_cast(i & 0xff)); // compare result + size - const auto result = json::to_msgpack(j); + const auto result = json::to_cbor(j); CHECK(result == expected); CHECK(result.size() == 5); // check individual bytes - CHECK(result[0] == 0xce); + CHECK(result[0] == 0x1a); uint32_t restored = static_cast((static_cast(result[1]) << 030) + (static_cast(result[2]) << 020) + (static_cast(result[3]) << 010) + @@ -544,11 +552,11 @@ TEST_CASE("CBOR") CHECK(restored == i); // roundtrip - CHECK(json::from_msgpack(result) == j); + CHECK(json::from_cbor(result) == j); } } - SECTION("4294967296..4611686018427387903") + SECTION("4294967296..4611686018427387903 (eight-byte uint64_t)") { for (uint64_t i : { @@ -801,6 +809,58 @@ TEST_CASE("CBOR") // roundtrip CHECK(json::from_cbor(result) == j); } + + SECTION("array with uint16_t elements") + { + json j(257, nullptr); + std::vector expected(j.size() + 3, 0xf6); // all null + expected[0] = 0x99; // array 16 bit + expected[1] = 0x01; // size (0x0101), byte 0 + expected[2] = 0x01; // size (0x0101), byte 1 + const auto result = json::to_cbor(j); + CHECK(result == expected); + + // roundtrip + CHECK(json::from_cbor(result) == j); + } + + SECTION("array with uint32_t elements") + { + json j(65793, nullptr); + std::vector expected(j.size() + 5, 0xf6); // all null + expected[0] = 0x9a; // array 32 bit + expected[1] = 0x00; // size (0x00010101), byte 0 + expected[2] = 0x01; // size (0x00010101), byte 1 + expected[3] = 0x01; // size (0x00010101), byte 2 + expected[4] = 0x01; // size (0x00010101), byte 3 + const auto result = json::to_cbor(j); + CHECK(result == expected); + + // roundtrip + CHECK(json::from_cbor(result) == j); + } + + /* + SECTION("array with uint64_t elements") + { + json j(4294967296, nullptr); + std::vector expected(j.size() + 9, 0xf6); // all null + expected[0] = 0x9b; // array 64 bit + expected[1] = 0x00; // size (0x0000000100000000), byte 0 + expected[2] = 0x00; // size (0x0000000100000000), byte 1 + expected[3] = 0x00; // size (0x0000000100000000), byte 2 + expected[4] = 0x01; // size (0x0000000100000000), byte 3 + expected[5] = 0x00; // size (0x0000000100000000), byte 4 + expected[6] = 0x00; // size (0x0000000100000000), byte 5 + expected[7] = 0x00; // size (0x0000000100000000), byte 6 + expected[8] = 0x00; // size (0x0000000100000000), byte 7 + const auto result = json::to_cbor(j); + CHECK(result == expected); + + // roundtrip + CHECK(json::from_cbor(result) == j); + } + */ } SECTION("object") @@ -840,6 +900,90 @@ TEST_CASE("CBOR") // roundtrip CHECK(json::from_cbor(result) == j); } + + SECTION("object with uint8_t elements") + { + json j; + for (auto i = 0; i < 255; ++i) + { + // format i to a fixed width of 5 + // each entry will need 7 bytes: 6 for string, 1 for null + std::stringstream ss; + ss << std::setw(5) << std::setfill('0') << i; + j.emplace(ss.str(), nullptr); + } + + const auto result = json::to_cbor(j); + + // Checking against an expected vector byte by byte is + // difficult, because no assumption on the order of key/value + // pairs are made. We therefore only check the prefix (type and + // size and the overall size. The rest is then handled in the + // roundtrip check. + CHECK(result.size() == 1787); // 1 type, 1 size, 255*7 content + CHECK(result[0] == 0xb8); // map 8 bit + CHECK(result[1] == 0xff); // size byte (0xff) + // roundtrip + CHECK(json::from_cbor(result) == j); + } + + SECTION("object with uint16_t elements") + { + json j; + for (auto i = 0; i < 256; ++i) + { + // format i to a fixed width of 5 + // each entry will need 7 bytes: 6 for string, 1 for null + std::stringstream ss; + ss << std::setw(5) << std::setfill('0') << i; + j.emplace(ss.str(), nullptr); + } + + const auto result = json::to_cbor(j); + + // Checking against an expected vector byte by byte is + // difficult, because no assumption on the order of key/value + // pairs are made. We therefore only check the prefix (type and + // size and the overall size. The rest is then handled in the + // roundtrip check. + CHECK(result.size() == 1795); // 1 type, 2 size, 256*7 content + CHECK(result[0] == 0xb9); // map 16 bit + CHECK(result[1] == 0x01); // byte 0 of size (0x0100) + CHECK(result[2] == 0x00); // byte 1 of size (0x0100) + + // roundtrip + CHECK(json::from_cbor(result) == j); + } + + SECTION("object with uint32_t elements") + { + json j; + for (auto i = 0; i < 65536; ++i) + { + // format i to a fixed width of 5 + // each entry will need 7 bytes: 6 for string, 1 for null + std::stringstream ss; + ss << std::setw(5) << std::setfill('0') << i; + j.emplace(ss.str(), nullptr); + } + + const auto result = json::to_cbor(j); + + // Checking against an expected vector byte by byte is + // difficult, because no assumption on the order of key/value + // pairs are made. We therefore only check the prefix (type and + // size and the overall size. The rest is then handled in the + // roundtrip check. + CHECK(result.size() == 458757); // 1 type, 4 size, 65536*7 content + CHECK(result[0] == 0xba); // map 32 bit + CHECK(result[1] == 0x00); // byte 0 of size (0x00010000) + CHECK(result[2] == 0x01); // byte 1 of size (0x00010000) + CHECK(result[3] == 0x00); // byte 2 of size (0x00010000) + CHECK(result[4] == 0x00); // byte 3 of size (0x00010000) + + // roundtrip + CHECK(json::from_cbor(result) == j); + } } } }