1 files changed, 77 insertions, 0 deletions
diff --git a/tests/RenderScriptTests/RSTest_CompatLib/src/com/android/rs/test/atomic.rs b/tests/RenderScriptTests/RSTest_CompatLib/src/com/android/rs/test/atomic.rs
new file mode 100644
index 0000000..f0a5041
--- /dev/null
+++ b/tests/RenderScriptTests/RSTest_CompatLib/src/com/android/rs/test/atomic.rs
@@ -0,0 +1,77 @@
+#include "shared.rsh"
+
+// Testing atomic operations
+static bool testUMax(uint32_t dst, uint32_t src) {
+    bool failed = false;
+    uint32_t old = dst;
+    uint32_t expect = (dst > src ? dst : src);
+    uint32_t ret = rsAtomicMax(&dst, src);
+    _RS_ASSERT(old == ret);
+    _RS_ASSERT(dst == expect);
+    return failed;
+}
+
+static bool testUMin(uint32_t dst, uint32_t src) {
+    bool failed = false;
+    uint32_t old = dst;
+    uint32_t expect = (dst < src ? dst : src);
+    uint32_t ret = rsAtomicMin(&dst, src);
+    _RS_ASSERT(old == ret);
+    _RS_ASSERT(dst == expect);
+    return failed;
+}
+
+static bool testUCas(uint32_t dst, uint32_t cmp, uint32_t swp) {
+    bool failed = false;
+    uint32_t old = dst;
+    uint32_t expect = (dst == cmp ? swp : dst);
+    uint32_t ret = rsAtomicCas(&dst, cmp, swp);
+    _RS_ASSERT(old == ret);
+    _RS_ASSERT(dst == expect);
+    return failed;
+}
+
+static bool test_atomics() {
+    bool failed = false;
+
+    failed |= testUMax(5, 6);
+    failed |= testUMax(6, 5);
+    failed |= testUMax(5, 0xf0000006);
+    failed |= testUMax(0xf0000006, 5);
+
+    failed |= testUMin(5, 6);
+    failed |= testUMin(6, 5);
+    failed |= testUMin(5, 0xf0000006);
+    failed |= testUMin(0xf0000006, 5);
+
+    failed |= testUCas(4, 4, 5);
+    failed |= testUCas(4, 5, 5);
+    failed |= testUCas(5, 5, 4);
+    failed |= testUCas(5, 4, 4);
+    failed |= testUCas(0xf0000004, 0xf0000004, 0xf0000005);
+    failed |= testUCas(0xf0000004, 0xf0000005, 0xf0000005);
+    failed |= testUCas(0xf0000005, 0xf0000005, 0xf0000004);
+    failed |= testUCas(0xf0000005, 0xf0000004, 0xf0000004);
+
+    if (failed) {
+        rsDebug("test_atomics FAILED", 0);
+    }
+    else {
+        rsDebug("test_atomics PASSED", 0);
+    }
+
+    return failed;
+}
+
+void atomic_test() {
+    bool failed = false;
+    failed |= test_atomics();
+
+    if (failed) {
+        rsSendToClientBlocking(RS_MSG_TEST_FAILED);
+    }
+    else {
+        rsSendToClientBlocking(RS_MSG_TEST_PASSED);
+    }
+}
+