This reverts commit 05d299e0ccca80736cd4438c3224540c5448a7d4 (test-atomic:
Drop atomic read-modify-write tests for the moment.) because the
test for detecting whether GCC support atomic operation built-ins has
been fixed.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
tests/test-atomic.c | 27 ++++++++++++++++++++++++++-
1 files changed, 26 insertions(+), 1 deletions(-)
diff --git a/tests/test-atomic.c b/tests/test-atomic.c
index 21d8c9e..27bf552 100644
--- a/tests/test-atomic.c
+++ b/tests/test-atomic.c
@@ -22,7 +22,7 @@
#define TEST_ATOMIC_TYPE(ATOMIC_TYPE, BASE_TYPE) \
{ \
ATOMIC_TYPE x = ATOMIC_VAR_INIT(1); \
- BASE_TYPE value; \
+ BASE_TYPE value, orig; \
\
atomic_read(&x, &value); \
ovs_assert(value == 1); \
@@ -34,6 +34,31 @@
atomic_init(&x, 3); \
atomic_read(&x, &value); \
ovs_assert(value == 3); \
+ \
+ atomic_add(&x, 1, &orig); \
+ ovs_assert(orig == 3); \
+ atomic_read(&x, &value); \
+ ovs_assert(value == 4); \
+ \
+ atomic_sub(&x, 2, &orig); \
+ ovs_assert(orig == 4); \
+ atomic_read(&x, &value); \
+ ovs_assert(value == 2); \
+ \
+ atomic_or(&x, 6, &orig); \
+ ovs_assert(orig == 2); \
+ atomic_read(&x, &value); \
+ ovs_assert(value == 6); \
+ \
+ atomic_and(&x, 10, &orig); \
+ ovs_assert(orig == 6); \
+ atomic_read(&x, &value); \
+ ovs_assert(value == 2); \
+ \
+ atomic_xor(&x, 10, &orig); \
+ ovs_assert(orig == 2); \
+ atomic_read(&x, &value); \
+ ovs_assert(value == 8); \
}
int
--
1.7.2.5
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