Test double_compare_and_swap in test_atomic

* tests/test_atomic_include.template (test_atomicXX): Define old_w
and new_w local variables (only if AO_HAVE_double_compare_and_swapXX);
add tests for AO_double_compare_and_swapXX if available.

diff --git a/tests/test_atomic_include.template b/tests/test_atomic_include.template
index 10fb94961c18abfed92575ef37ac394767080b5a..e63fd9f6718d9ffa501ed49ef3136c18d1f84193 100644 (file)
--- a/tests/test_atomic_include.template
+++ b/tests/test_atomic_include.template
@@ -26,11 +26,16 @@ void test_atomicXX(void)
     AO_TS_t z = AO_TS_INITIALIZER;
 # endif
 # if defined(AO_HAVE_compare_and_swap_doubleXX) \
-     || defined(AO_HAVE_compare_double_and_swap_doubleXX)
+     || defined(AO_HAVE_compare_double_and_swap_doubleXX) \
+     || defined(AO_HAVE_double_compare_and_swapXX)
     AO_double_t w;
     w.AO_val1 = 0;
     w.AO_val2 = 0;
 # endif
+# if defined(AO_HAVE_double_compare_and_swapXX)
+    AO_double_t old_w;
+    AO_double_t new_w;
+# endif
 
 # if defined(AO_HAVE_nopXX)
     AO_nopXX();
@@ -235,4 +240,45 @@ void test_atomicXX(void)
 # else
     MISSING(AO_compare_and_swap_double);
 # endif
+# if defined(AO_HAVE_double_compare_and_swapXX)
+    old_w.AO_val1 = 4116;
+    old_w.AO_val2 = 2121;
+    new_w.AO_val1 = 8537;
+    new_w.AO_val2 = 6410;
+    TA_assert(!AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0);
+    TA_assert(AO_double_compare_and_swapXX(&w, w, new_w));
+    TA_assert(w.AO_val1 == 8537 && w.AO_val2 == 6410);
+    old_w.AO_val1 = new_w.AO_val1;
+    old_w.AO_val2 = 29;
+    new_w.AO_val1 = 820;
+    new_w.AO_val2 = 5917;
+    TA_assert(!AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 8537 && w.AO_val2 == 6410);
+    old_w.AO_val1 = 11;
+    old_w.AO_val2 = 6410;
+    new_w.AO_val1 = 3552;
+    new_w.AO_val2 = 1746;
+    TA_assert(!AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 8537 && w.AO_val2 == 6410);
+    old_w.AO_val1 = old_w.AO_val2;
+    old_w.AO_val2 = 8537;
+    new_w.AO_val1 = 4116;
+    new_w.AO_val2 = 2121;
+    TA_assert(!AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 8537 && w.AO_val2 == 6410);
+    old_w.AO_val1 = old_w.AO_val2;
+    old_w.AO_val2 = 6410;
+    new_w.AO_val1 = 1;
+    TA_assert(AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 1 && w.AO_val2 == 2121);
+    old_w.AO_val1 = new_w.AO_val1;
+    old_w.AO_val2 = w.AO_val2;
+    new_w.AO_val1--;
+    new_w.AO_val2 = 0;
+    TA_assert(AO_double_compare_and_swapXX(&w, old_w, new_w));
+    TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0);
+# else
+    MISSING(AO_double_compare_and_swap);
+# endif
 }