From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 16 Jun 2005 23:47:30 +0000 (+0000)
Subject: added test for wxScopeGuard
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/5f7348ce627157e21bec507623ebd31c1e9dc762

added test for wxScopeGuard


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34684 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/tests/scopeguard/scopeguardtest.cpp b/tests/scopeguard/scopeguardtest.cpp
new file mode 100644
index 0000000000..e6a20c2473
--- /dev/null
+++ b/tests/scopeguard/scopeguardtest.cpp
@@ -0,0 +1,174 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/scopeguard/scopeguardtest.cpp
+// Purpose:     Test wxScopeGuard and related macros
+// Author:      Vadim Zeitlin
+// RCS-ID:      $Id$
+// Copyright:   (c) 2005 Vadim Zeitlin
+// Licence:     wxWidgets licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/scopeguard.h"
+
+// ----------------------------------------------------------------------------
+// helper stuff: something to do on scope exit
+// ----------------------------------------------------------------------------
+
+static int gs_count = 0;
+
+static void IncGlobal() { gs_count++; }
+static void Inc(int *n) { (*n)++; }
+static void IncBy(int *n, int m) { (*n) += m; }
+
+class Counter
+{
+public:
+    Counter(int n) : m_count(n) { }
+
+    void Zero() { m_count = 0; }
+    void Set(int n) { m_count = n; }
+    void Sum(int n, int m) { m_count = n + m; }
+
+    int GetCount() const { return m_count; }
+
+private:
+    int m_count;
+};
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class ScopeGuardTestCase : public CppUnit::TestCase
+{
+public:
+    CPPUNIT_TEST_SUITE(ScopeGuardTestCase);
+        CPPUNIT_TEST(Normal);
+        CPPUNIT_TEST(Dismiss);
+        CPPUNIT_TEST(BlockExit);
+        CPPUNIT_TEST(BlockExitObj);
+    CPPUNIT_TEST_SUITE_END();
+
+    void Normal();
+    void Dismiss();
+    void BlockExit();
+    void BlockExitObj();
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION(ScopeGuardTestCase);
+
+// also include in it's own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(ScopeGuardTestCase,
+                                      "ScopeGuardTestCase");
+
+// ============================================================================
+// ScopeGuardTestCase implementation
+// ============================================================================
+
+void ScopeGuardTestCase::Normal()
+{
+    int n = 1,
+        m = 2;
+
+    {
+        gs_count = 1;
+        wxScopeGuard incGlobal = wxMakeGuard(IncGlobal),
+                     incN = wxMakeGuard(Inc, &n),
+                     incMby15 = wxMakeGuard(IncBy, &m, 15);
+
+        wxUnusedVar(incGlobal);
+        wxUnusedVar(incN);
+        wxUnusedVar(incMby15);
+
+        CPPUNIT_ASSERT_EQUAL( 1, gs_count );
+        CPPUNIT_ASSERT_EQUAL( 1, n );
+        CPPUNIT_ASSERT_EQUAL( 2, m );
+    }
+
+    CPPUNIT_ASSERT_EQUAL( 2, gs_count );
+    CPPUNIT_ASSERT_EQUAL( 2, n );
+    CPPUNIT_ASSERT_EQUAL( 17, m );
+}
+
+void ScopeGuardTestCase::Dismiss()
+{
+    int n = 1,
+        m = 2;
+
+    {
+        gs_count = 1;
+        wxScopeGuard incGlobal = wxMakeGuard(IncGlobal),
+                     incN = wxMakeGuard(Inc, &n),
+                     incMby15 = wxMakeGuard(IncBy, &m, 15);
+
+        incGlobal.Dismiss();
+        incN.Dismiss();
+        incMby15.Dismiss();
+
+        CPPUNIT_ASSERT_EQUAL( 1, gs_count );
+        CPPUNIT_ASSERT_EQUAL( 1, n );
+        CPPUNIT_ASSERT_EQUAL( 2, m );
+    }
+
+    CPPUNIT_ASSERT_EQUAL( 1, gs_count );
+    CPPUNIT_ASSERT_EQUAL( 1, n );
+    CPPUNIT_ASSERT_EQUAL( 2, m );
+}
+
+void ScopeGuardTestCase::BlockExit()
+{
+    int n = 1,
+        m = 2;
+
+    {
+        gs_count = 1;
+
+        wxON_BLOCK_EXIT0(IncGlobal);
+        wxON_BLOCK_EXIT1(Inc, &n);
+        wxON_BLOCK_EXIT2(IncBy, &m, 15);
+
+        CPPUNIT_ASSERT_EQUAL( 1, gs_count );
+        CPPUNIT_ASSERT_EQUAL( 1, n );
+        CPPUNIT_ASSERT_EQUAL( 2, m );
+    }
+
+    CPPUNIT_ASSERT_EQUAL( 2, gs_count );
+    CPPUNIT_ASSERT_EQUAL( 2, n );
+    CPPUNIT_ASSERT_EQUAL( 17, m );
+}
+
+void ScopeGuardTestCase::BlockExitObj()
+{
+    Counter count0(1),
+            count1(2),
+            count2(3);
+
+    {
+        wxON_BLOCK_EXIT_OBJ0(count0, Counter::Zero);
+        wxON_BLOCK_EXIT_OBJ1(count1, Counter::Set, 17);
+        wxON_BLOCK_EXIT_OBJ2(count2, Counter::Sum, 2, 3);
+
+        CPPUNIT_ASSERT_EQUAL( 1, count0.GetCount() );
+        CPPUNIT_ASSERT_EQUAL( 2, count1.GetCount() );
+        CPPUNIT_ASSERT_EQUAL( 3, count2.GetCount() );
+    }
+
+    CPPUNIT_ASSERT_EQUAL( 0, count0.GetCount() );
+    CPPUNIT_ASSERT_EQUAL( 17, count1.GetCount() );
+    CPPUNIT_ASSERT_EQUAL( 5, count2.GetCount() );
+}
+
diff --git a/tests/test.bkl b/tests/test.bkl
index 0dbfbf1924..df8aa9f80e 100644
--- a/tests/test.bkl
+++ b/tests/test.bkl
@@ -40,6 +40,7 @@
             mbconv/mbconvtest.cpp
             regex/regextest.cpp
             regex/wxregextest.cpp
+            scopeguard/scopeguardtest.cpp
             strings/strings.cpp
             strings/stdstrings.cpp
             strings/unicode.cpp