/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Lucy/Util/ToolSet.h"
#include "Lucy/Test.h"
#include "Lucy/Test/Util/TestAtomic.h"
#include "Lucy/Util/Atomic.h"
static void
test_cas_ptr(TestBatch *batch) {
int foo = 1;
int bar = 2;
int *foo_pointer = &foo;
int *bar_pointer = &bar;
int *target = NULL;
TEST_TRUE(batch,
Atomic_cas_ptr((void**)&target, NULL, foo_pointer),
"cas_ptr returns true on success");
TEST_TRUE(batch, target == foo_pointer, "cas_ptr sets target");
target = NULL;
TEST_FALSE(batch,
Atomic_cas_ptr((void**)&target, bar_pointer, foo_pointer),
"cas_ptr returns false when it old_value doesn't match");
TEST_TRUE(batch, target == NULL,
"cas_ptr doesn't do anything to target when old_value doesn't match");
target = foo_pointer;
TEST_TRUE(batch,
Atomic_cas_ptr((void**)&target, foo_pointer, bar_pointer),
"cas_ptr from one value to another");
TEST_TRUE(batch, target == bar_pointer, "cas_ptr sets target");
}
void
TestAtomic_run_tests() {
TestBatch *batch = TestBatch_new(6);
TestBatch_Plan(batch);
test_cas_ptr(batch);
DECREF(batch);
}