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-rw-r--r--libj2_j2u_sub_j2u.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/libj2_j2u_sub_j2u.c b/libj2_j2u_sub_j2u.c
index 6727c71..bd645e2 100644
--- a/libj2_j2u_sub_j2u.c
+++ b/libj2_j2u_sub_j2u.c
@@ -56,13 +56,18 @@ check_(uintmax_t a_high, uintmax_t a_low, uintmax_t b_high, uintmax_t b_low,
EXPECT(libj2_j2u_eq_j2u(&b, &expected));
EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
- r = (struct libj2_j2u){111, 222};
a = a_saved;
b = b_saved;
EXPECT(libj2_j2u_sub_j2u_overflow(&a, &b) == r_overflow);
EXPECT(libj2_j2u_eq_j2u(&a, &expected));
EXPECT(libj2_j2u_eq_j2u(&b, &b_saved));
+ a = a_saved;
+ b = b_saved;
+ EXPECT(libj2_j2u_sub_j2u_overflow_p((const struct libj2_j2u *)&a, (const struct libj2_j2u *)&b) == r_overflow);
+ EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+ EXPECT(libj2_j2u_eq_j2u(&b, &b_saved));
+
r = (struct libj2_j2u){111, 222};
a = a_saved;
b = b_saved;
@@ -89,12 +94,17 @@ check_(uintmax_t a_high, uintmax_t a_low, uintmax_t b_high, uintmax_t b_low,
EXPECT(libj2_j2u_eq_j2u(&b, &expected));
EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
- r = (struct libj2_j2u){111, 222};
a = a_saved;
b = b_saved;
EXPECT(libj2_j2u_rsub_j2u_overflow(&b, &a) == r_overflow);
EXPECT(libj2_j2u_eq_j2u(&b, &expected));
EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+
+ a = a_saved;
+ b = b_saved;
+ EXPECT(libj2_j2u_rsub_j2u_overflow_p(&b, &a) == r_overflow);
+ EXPECT(libj2_j2u_eq_j2u(&b, &b_saved));
+ EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
}
@@ -146,11 +156,14 @@ check_double(uintmax_t high, uintmax_t low)
libj2_j2u_sub_j2u_to_j2u(&a, &a, &a);
EXPECT(libj2_j2u_is_zero(&a));
- r = (struct libj2_j2u){111, 222};
a = a_saved;
EXPECT(libj2_j2u_sub_j2u_overflow(&a, &a) == 0);
EXPECT(libj2_j2u_is_zero(&a));
+ a = a_saved;
+ EXPECT(libj2_j2u_sub_j2u_overflow_p((const struct libj2_j2u *)&a, (const struct libj2_j2u *)&a) == 0);
+ EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+
r = (struct libj2_j2u){111, 222};
a = a_saved;
EXPECT(libj2_j2u_sub_j2u_to_j2u_overflow(&a, &a, &r) == 0);
@@ -165,10 +178,13 @@ check_double(uintmax_t high, uintmax_t low)
libj2_j2u_rsub_j2u(&a, &a);
EXPECT(libj2_j2u_is_zero(&a));
- r = (struct libj2_j2u){111, 222};
a = a_saved;
EXPECT(libj2_j2u_rsub_j2u_overflow(&a, &a) == 0);
EXPECT(libj2_j2u_is_zero(&a));
+
+ a = a_saved;
+ EXPECT(libj2_j2u_rsub_j2u_overflow_p((const struct libj2_j2u *)&a, (const struct libj2_j2u *)&a) == 0);
+ EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
}