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Add test data from libswitnav

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Signed-off-by: Vladislav P <vladisslav2011@gmail.com>
This commit is contained in:
Vladislav P 2022-09-08 00:19:03 +03:00
parent e4a3a060ee
commit 4e625b03d1
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1 changed files with 69 additions and 1 deletions
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70
src/tests/unit-tests/system-parameters/glonass_gnav_crc_test.cc
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@ -19,13 +19,63 @@
#include <bitset>
#include <iostream>
void to_bitset(const uint32_t from[3], std::bitset<GLONASS_GNAV_STRING_BITS> &to)
{
to.reset();
for (int k = 0; k < 3; k++)
{
std::bitset<GLONASS_GNAV_STRING_BITS> tmp(from[k]);
to |= (tmp << (k * 32));
}
}
TEST(GlonassCrcTest, GnssSdrCRCTest)
{
// test data
std::string string1Real_14_18_00("0000100000111001001001000011101010101100010101001000001001011101010101110011110110101");
std::string string1Real_14_18_30("0000100000111001001011000011101010101100010101001000001001011101010101110011100001010");
std::string string1Wrong_14_18_00("0000100000111001001001100011101010101100010101001000001001011101010101110011100001010");
const uint32_t test_case_good[][3] = {
/* Test data from libswiftnav (github.com/swift-nav/libswiftnav) */
/* First, simply test one GLO nav message received from Novatel,
* we trust Novatel, so no errors must be */
{0xc90cfb3e, 0x9743a301, 0x010749},
{0xdd39f5fc, 0x24542d0c, 0x021760},
{0x653bc7e9, 0x1e8ead92, 0x038006},
{0x60342dfc, 0x41000002, 0x0481c7},
{0x40000895, 0x00000003, 0x050d10},
{0x530a7ecf, 0x059c4415, 0x06b082},
{0xfd94beb6, 0x7a577e97, 0x070f46},
{0xba02de6f, 0x988e6814, 0x08b101},
{0x12064831, 0x87767698, 0x09e1a6},
{0xaf870be5, 0x54ef2617, 0x0ab286},
{0x0f06ba41, 0x9a3f2698, 0x0b8f7c},
{0x2f012204, 0xf0c3c81a, 0x0cb309},
{0x1c858601, 0x10c47e98, 0x0da065},
{0x5205980b, 0xf49abc1a, 0x0eb40e},
{0x15454437, 0x2504e698, 0x0f8c09},
/* Second, take 1st string from other GLO nav message and introduce an
* error in data bits */
{0xc90cfb81, 0x9743a301, 0x010748}, /* case 15, no errors */
};
const uint32_t test_case_correctable[][3] = {
/* single bit errors are correctable */
{0xc90cfb81, 0x9743a301, 0x110748},
{0xc90cfb81, 0x1743a301, 0x010748},
{0x490cfb81, 0x9743a301, 0x010748},
{0xc90cfb81, 0x9743a300, 0x010748},
{0xc90cfb81, 0x9743a301, 0x010749},
{0xc90cfb81, 0x9743a301, 0x000748},
};
const uint32_t test_case_uncorrectable[][3] = {
/* multiple bit errors are uncorrectable */
{0xc90c3b81, 0x9743a301, 0x010748},
{0xc90cfb81, 0x974fa301, 0x010748},
{0xc90cfb81, 0x9743a301, 0x01074b},
{0xc90cfb81, 0x9743a301, 0x010744},
{0xc90cfb81, 0x9aaaa301, 0x010748},
};
auto gnav_msg = Glonass_Gnav_Navigation_Message();
std::bitset<GLONASS_GNAV_STRING_BITS> bits;
bits = std::bitset<GLONASS_GNAV_STRING_BITS>(string1Real_14_18_00);
@ -42,4 +92,22 @@ TEST(GlonassCrcTest, GnssSdrCRCTest)
ASSERT_TRUE(gnav_msg.CRC_test(corrupt_bits));
ASSERT_TRUE(corrupt_bits == bits);
}
for (unsigned k = 0; k < sizeof(test_case_good) / sizeof(test_case_good[0]); k++)
{
to_bitset(test_case_good[k], bits);
ASSERT_TRUE(gnav_msg.CRC_test(bits));
}
for (unsigned k = 0; k < sizeof(test_case_correctable) / sizeof(test_case_correctable[0]); k++)
{
std::bitset<GLONASS_GNAV_STRING_BITS> corrupt_bits;
to_bitset(test_case_correctable[k], corrupt_bits);
ASSERT_TRUE(gnav_msg.CRC_test(corrupt_bits));
ASSERT_TRUE(corrupt_bits == bits);
}
for (unsigned k = 0; k < sizeof(test_case_uncorrectable) / sizeof(test_case_uncorrectable[0]); k++)
{
std::bitset<GLONASS_GNAV_STRING_BITS> corrupt_bits;
to_bitset(test_case_uncorrectable[k], corrupt_bits);
ASSERT_FALSE(gnav_msg.CRC_test(corrupt_bits));
}
}