diff options
Diffstat (limited to 'contrib/ntp/tests/libntp/g_hextolfp.cpp')
-rw-r--r-- | contrib/ntp/tests/libntp/g_hextolfp.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/ntp/tests/libntp/g_hextolfp.cpp b/contrib/ntp/tests/libntp/g_hextolfp.cpp new file mode 100644 index 0000000..bcfb094 --- /dev/null +++ b/contrib/ntp/tests/libntp/g_hextolfp.cpp @@ -0,0 +1,58 @@ +#include "g_lfptest.h" + +class hextolfpTest : public lfptest { +}; + +TEST_F(hextolfpTest, PositiveInteger) { + const char *str = "00001000.00000000"; + l_fp actual; + + l_fp expected = {4096, 0}; // 16^3, no fraction part. + + ASSERT_TRUE(hextolfp(str, &actual)); + EXPECT_TRUE(IsEqual(expected, actual)); +} + +TEST_F(hextolfpTest, NegativeInteger) { + const char *str = "ffffffff.00000000"; // -1 decimal + l_fp actual; + + l_fp expected = {-1, 0}; + + ASSERT_TRUE(hextolfp(str, &actual)); + EXPECT_TRUE(IsEqual(expected, actual)); +} + +TEST_F(hextolfpTest, PositiveFraction) { + const char *str = "00002000.80000000"; // 8196.5 decimal + l_fp actual; + + l_fp expected = {8192, HALF}; + + ASSERT_TRUE(hextolfp(str, &actual)); + EXPECT_TRUE(IsEqual(expected, actual)); +} + +TEST_F(hextolfpTest, NegativeFraction) { + const char *str = "ffffffff.40000000"; // -1 + 0.25 decimal + l_fp actual; + + l_fp expected = {-1, QUARTER}; //-1 + 0.25 + + ASSERT_TRUE(hextolfp(str, &actual)); + EXPECT_TRUE(IsEqual(expected, actual)); +} + +TEST_F(hextolfpTest, IllegalNumberOfInteger) { + const char *str = "1000000.00000000"; // Missing one digit in integral part. + l_fp actual; + + ASSERT_FALSE(hextolfp(str, &actual)); +} + +TEST_F(hextolfpTest, IllegalChar) { + const char *str = "10000000.0000h000"; // Illegal character h. + l_fp actual; + + ASSERT_FALSE(hextolfp(str, &actual)); +} |