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| author | MITSUNARI Shigeo <herumi@nifty.com> | 2019-08-13 10:14:52 +0800 |
|---|---|---|
| committer | MITSUNARI Shigeo <herumi@nifty.com> | 2019-08-13 10:14:52 +0800 |
| commit | bb287f8f1154acaf8f3d3b449becf77ca7c3ba01 (patch) | |
| tree | 54e8f8b155ec2f8cdf4b5213d92913652f705f1d /test/fp_test.cpp | |
| parent | b84d0c7fe0e549a7f708f5177b9467c670df3eae (diff) | |
| download | tangerine-mcl-bb287f8f1154acaf8f3d3b449becf77ca7c3ba01.tar.gz tangerine-mcl-bb287f8f1154acaf8f3d3b449becf77ca7c3ba01.tar.zst tangerine-mcl-bb287f8f1154acaf8f3d3b449becf77ca7c3ba01.zip | |
add Fp::getLittleEndian
Diffstat (limited to 'test/fp_test.cpp')
| -rw-r--r-- | test/fp_test.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/fp_test.cpp b/test/fp_test.cpp index 6b71075..36ba4d6 100644 --- a/test/fp_test.cpp +++ b/test/fp_test.cpp @@ -672,6 +672,36 @@ void getInt64Test() } } +void getLittleEndianTest() +{ + if (Fp::getOp().bitSize < 80) return; + const struct { + const char *in; + uint8_t out[16]; + size_t size; + } tbl[] = { + { "0", { 0 }, 1 }, + { "1", { 1 }, 1 }, + { "0x1200", { 0x00, 0x12 }, 2 }, + { "0x123400", { 0x00, 0x34, 0x12 }, 3 }, + { "0x1234567890123456ab", { 0xab, 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12 }, 9 }, + }; + for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) { + Fp x(tbl[i].in); + uint8_t buf[128]; + size_t n = x.getLittleEndian(buf, tbl[i].size); + CYBOZU_TEST_EQUAL(n, tbl[i].size); + CYBOZU_TEST_EQUAL_ARRAY(buf, tbl[i].out, n); + + n = x.getLittleEndian(buf, tbl[i].size + 1); + CYBOZU_TEST_EQUAL(n, tbl[i].size); + CYBOZU_TEST_EQUAL_ARRAY(buf, tbl[i].out, n); + + n = x.getLittleEndian(buf, tbl[i].size - 1); + CYBOZU_TEST_EQUAL(n, 0); + } +} + void divBy2Test() { const int tbl[] = { -4, -3, -2, -1, 0, 1, 2, 3 }; @@ -951,6 +981,7 @@ void sub(mcl::fp::Mode mode) setArrayModTest(); getUint64Test(); getInt64Test(); + getLittleEndianTest(); divBy2Test(); getStrTest(); setHashOfTest(); |