added a test for wxAtomicDec return value

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48636 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/tests/thread/atomic.cpp b/tests/thread/atomic.cpp
index 976266331bbfb3b327e6292efd6e95545052102c..808ba841c9d014e3b1b4846105df6399dc5e986a 100644 (file)
--- a/tests/thread/atomic.cpp
+++ b/tests/thread/atomic.cpp
@@ -61,6 +61,7 @@ private:
 
     CPPUNIT_TEST_SUITE( AtomicTestCase );
         CPPUNIT_TEST( TestNoThread );
+        CPPUNIT_TEST( TestDecReturn );
         CPPUNIT_TEST( TestTwoThreadsMix );
         CPPUNIT_TEST( TestTenThreadsMix );
         CPPUNIT_TEST( TestTwoThreadsSeparate );
@@ -68,6 +69,7 @@ private:
     CPPUNIT_TEST_SUITE_END();
 
     void TestNoThread();
+    void TestDecReturn();
     void TestTenThreadsMix() { TestWithThreads(10, IncAndDecMixed); }
     void TestTwoThreadsMix() { TestWithThreads(2, IncAndDecMixed); }
     void TestTenThreadsSeparate() { TestWithThreads(10, IncOnly); }
@@ -97,6 +99,17 @@ void AtomicTestCase::TestNoThread()
     CPPUNIT_ASSERT( int2 == -10000000 );
 }
 
+void AtomicTestCase::TestDecReturn()
+{
+    wxAtomicInt i(0);
+    wxAtomicInc(i);
+    wxAtomicInc(i);
+    CPPUNIT_ASSERT( i == 2 );
+
+    CPPUNIT_ASSERT( wxAtomicDec(i) > 0 );
+    CPPUNIT_ASSERT( wxAtomicDec(i) == 0 );
+}
+
 void AtomicTestCase::TestWithThreads(int count, ETestType testType)
 {
     wxAtomicInt    int1=0;