diff options
Diffstat (limited to '')
| -rw-r--r-- | libj2_j2u_add_ju.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libj2_j2u_add_ju.c b/libj2_j2u_add_ju.c index f368857..1b6458f 100644 --- a/libj2_j2u_add_ju.c +++ b/libj2_j2u_add_ju.c @@ -36,6 +36,11 @@ check_zero_low(uintmax_t high, uintmax_t low) EXPECT(a.low == low); a = (struct libj2_j2u){.high = high, .low = 0}; + libj2_j2u_sat_add_ju(&a, low); + EXPECT(a.high == high); + EXPECT(a.low == low); + + a = (struct libj2_j2u){.high = high, .low = 0}; EXPECT(libj2_j2u_add_ju_overflow_p((const struct libj2_j2u *)&a, low) == 0); EXPECT(a.high == high); EXPECT(a.low == 0); @@ -68,6 +73,19 @@ check_zero_low(uintmax_t high, uintmax_t low) r = (struct libj2_j2u){111, 222}; a = (struct libj2_j2u){.high = high, .low = 0}; + libj2_j2u_sat_add_ju_to_j2u(&a, low, &r); + EXPECT(a.high == high); + EXPECT(a.low == 0); + EXPECT(r.high == high); + EXPECT(r.low == low); + + a = (struct libj2_j2u){.high = high, .low = 0}; + libj2_j2u_sat_add_ju_to_j2u(&a, low, &a); + EXPECT(a.high == high); + EXPECT(a.low == low); + + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = high, .low = 0}; libj2_ju_add_j2u_to_j2u(low, &a, &r); EXPECT(a.high == high); EXPECT(a.low == 0); @@ -92,6 +110,19 @@ check_zero_low(uintmax_t high, uintmax_t low) EXPECT(a.high == high); EXPECT(a.low == low); + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = high, .low = 0}; + libj2_ju_sat_add_j2u_to_j2u(low, &a, &r); + EXPECT(a.high == high); + EXPECT(a.low == 0); + EXPECT(r.high == high); + EXPECT(r.low == low); + + a = (struct libj2_j2u){.high = high, .low = 0}; + libj2_ju_sat_add_j2u_to_j2u(low, &a, &a); + EXPECT(a.high == high); + EXPECT(a.low == low); + a = (struct libj2_j2u){.high = high, .low = 0}; EXPECT(libj2_ju_add_j2u_overflow_p(low, (const struct libj2_j2u *)&a) == 0); EXPECT(a.high == high); @@ -118,6 +149,11 @@ check_max_low(uintmax_t high, uintmax_t low) EXPECT(a.low == expected_low); a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; + libj2_j2u_sat_add_ju(&a, low); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; EXPECT(libj2_j2u_add_ju_overflow_p((const struct libj2_j2u *)&a, low) == expected_overflow); EXPECT(a.high == high); EXPECT(a.low == UINTMAX_MAX); @@ -150,6 +186,19 @@ check_max_low(uintmax_t high, uintmax_t low) r = (struct libj2_j2u){111, 222}; a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; + libj2_j2u_sat_add_ju_to_j2u(&a, low, &r); + EXPECT(a.high == high); + EXPECT(a.low == UINTMAX_MAX); + EXPECT(r.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(r.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; + libj2_j2u_sat_add_ju_to_j2u(&a, low, &a); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; libj2_ju_add_j2u_to_j2u(low, &a, &r); EXPECT(a.high == high); EXPECT(a.low == UINTMAX_MAX); @@ -174,6 +223,19 @@ check_max_low(uintmax_t high, uintmax_t low) EXPECT(a.high == expected_high); EXPECT(a.low == expected_low); + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; + libj2_ju_sat_add_j2u_to_j2u(low, &a, &r); + EXPECT(a.high == high); + EXPECT(a.low == UINTMAX_MAX); + EXPECT(r.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(r.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; + libj2_ju_sat_add_j2u_to_j2u(low, &a, &a); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + a = (struct libj2_j2u){.high = high, .low = UINTMAX_MAX}; EXPECT(libj2_ju_add_j2u_overflow_p(low, (const struct libj2_j2u *)&a) == expected_overflow); EXPECT(a.high == high); @@ -227,6 +289,11 @@ check(uintmax_t a_high, uintmax_t a_low, uintmax_t b) EXPECT(a.low == expected_low); a = (struct libj2_j2u){.high = a_high, .low = a_low}; + libj2_j2u_sat_add_ju(&a, b); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = a_high, .low = a_low}; EXPECT(libj2_j2u_add_ju_overflow_p((const struct libj2_j2u *)&a, b) == expected_overflow); EXPECT(a.high == a_high); EXPECT(a.low == a_low); @@ -259,6 +326,19 @@ check(uintmax_t a_high, uintmax_t a_low, uintmax_t b) r = (struct libj2_j2u){111, 222}; a = (struct libj2_j2u){.high = a_high, .low = a_low}; + libj2_j2u_sat_add_ju_to_j2u(&a, b, &r); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + EXPECT(r.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(r.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = a_high, .low = a_low}; + libj2_j2u_sat_add_ju_to_j2u(&a, b, &a); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = a_high, .low = a_low}; libj2_ju_add_j2u_to_j2u(b, &a, &r); EXPECT(a.high == a_high); EXPECT(a.low == a_low); @@ -283,6 +363,19 @@ check(uintmax_t a_high, uintmax_t a_low, uintmax_t b) EXPECT(a.high == expected_high); EXPECT(a.low == expected_low); + r = (struct libj2_j2u){111, 222}; + a = (struct libj2_j2u){.high = a_high, .low = a_low}; + libj2_ju_sat_add_j2u_to_j2u(b, &a, &r); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + EXPECT(r.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(r.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + + a = (struct libj2_j2u){.high = a_high, .low = a_low}; + libj2_ju_sat_add_j2u_to_j2u(b, &a, &a); + EXPECT(a.high == (expected_overflow ? UINTMAX_MAX : expected_high)); + EXPECT(a.low == (expected_overflow ? UINTMAX_MAX : expected_low)); + a = (struct libj2_j2u){.high = a_high, .low = a_low}; EXPECT(libj2_ju_add_j2u_overflow_p(b, (const struct libj2_j2u *)&a) == expected_overflow); EXPECT(a.high == a_high); |