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Diffstat (limited to 'csu')
-rw-r--r--csu/tst-atomic.c82
1 files changed, 81 insertions, 1 deletions
diff --git a/csu/tst-atomic.c b/csu/tst-atomic.c
index e5686e377d..943c050735 100644
--- a/csu/tst-atomic.c
+++ b/csu/tst-atomic.c
@@ -48,6 +48,22 @@ do_test (void)
puts ("atomic_compare_and_exchange_val_acq test 2 failed");
ret = 1;
}
+
+ mem = -15;
+ if (atomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15
+ || mem != -56)
+ {
+ puts ("atomic_compare_and_exchange_val_acq test 3 failed");
+ ret = 1;
+ }
+
+ mem = -1;
+ if (atomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1
+ || mem != -1)
+ {
+ puts ("atomic_compare_and_exchange_val_acq test 4 failed");
+ ret = 1;
+ }
#endif
mem = 24;
@@ -66,6 +82,22 @@ do_test (void)
ret = 1;
}
+ mem = -15;
+ if (atomic_compare_and_exchange_bool_acq (&mem, -56, -15)
+ || mem != -56)
+ {
+ puts ("atomic_compare_and_exchange_bool_acq test 3 failed");
+ ret = 1;
+ }
+
+ mem = -1;
+ if (! atomic_compare_and_exchange_bool_acq (&mem, 17, 0)
+ || mem != -1)
+ {
+ puts ("atomic_compare_and_exchange_bool_acq test 4 failed");
+ ret = 1;
+ }
+
mem = 64;
if (atomic_exchange (&mem, 31) != 64
|| mem != 31)
@@ -150,7 +182,7 @@ do_test (void)
if (! atomic_decrement_and_test (&mem)
|| mem != 0)
{
- puts ("atomic_decrement_and_test test 1 failed");
+ puts ("atomic_decrement_and_test test 3 failed");
ret = 1;
}
@@ -202,6 +234,30 @@ do_test (void)
ret = 1;
}
+ mem = -12;
+ if (atomic_add_negative (&mem, 14)
+ || mem != 2)
+ {
+ puts ("atomic_add_negative test 4 failed");
+ ret = 1;
+ }
+
+ mem = 0;
+ if (! atomic_add_negative (&mem, -1)
+ || mem != -1)
+ {
+ puts ("atomic_add_negative test 5 failed");
+ ret = 1;
+ }
+
+ mem = -31;
+ if (atomic_add_negative (&mem, 31)
+ || mem != 0)
+ {
+ puts ("atomic_add_negative test 6 failed");
+ ret = 1;
+ }
+
mem = -34;
if (atomic_add_zero (&mem, 31)
|| mem != -3)
@@ -226,6 +282,30 @@ do_test (void)
ret = 1;
}
+ mem = -18;
+ if (atomic_add_zero (&mem, 20)
+ || mem != 2)
+ {
+ puts ("atomic_add_zero test 4 failed");
+ ret = 1;
+ }
+
+ mem = 10;
+ if (atomic_add_zero (&mem, -20)
+ || mem != -10)
+ {
+ puts ("atomic_add_zero test 5 failed");
+ ret = 1;
+ }
+
+ mem = 10;
+ if (! atomic_add_zero (&mem, -10)
+ || mem != 0)
+ {
+ puts ("atomic_add_zero test 6 failed");
+ ret = 1;
+ }
+
mem = 0;
atomic_bit_set (&mem, 1);
if (mem != 2)