vcl: add ErrorHandler unit tests

Change-Id: I62f7d948522676ae2bed1a425c2f038929fb00b8
Reviewed-on: https://gerrit.libreoffice.org/36848
Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Tested-by: Chris Sherlock <chris.sherlock79@gmail.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/errorhandler.cxx b/vcl/qa/cppunit/errorhandler.cxx
new file mode 100644
index 000000000000..f68035239839
--- /dev/null
+++ b/vcl/qa/cppunit/errorhandler.cxx
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <test/bootstrapfixture.hxx>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+
+#include <vcl/errinf.hxx>
+
+class MockErrorHandler : private ErrorHandler
+{
+    friend class ErrorHandlerTest;
+
+protected:
+    virtual bool CreateString(const ErrorInfo *pErrInfo, OUString &rErrString) const override
+    {
+        if (!(pErrInfo->GetErrorCode() & ERRCODE_DYNAMIC_MASK))
+            rErrString = "Non-dynamic error";
+        else
+            rErrString = "Dynamic error";
+
+        return true;
+    }
+};
+
+
+class ErrorHandlerTest : public test::BootstrapFixture
+{
+public:
+    ErrorHandlerTest() : BootstrapFixture(true, false) {}
+
+    void testGetErrorString();
+
+    CPPUNIT_TEST_SUITE(ErrorHandlerTest);
+    CPPUNIT_TEST(testGetErrorString);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void ErrorHandlerTest::testGetErrorString()
+{
+    MockErrorHandler aErrHdlr;
+    OUString aErrStr;
+
+    CPPUNIT_ASSERT_MESSAGE("GetErrorString(ERRCODE_ABORT, aErrStr) should return false",
+                           ErrorHandler::GetErrorString(ERRCODE_ABORT, aErrStr) == false);
+    // normally protected, but MockErrorHandler is a friend of this class
+    aErrHdlr.CreateString(ErrorInfo::GetErrorInfo(ERRCODE_ABORT), aErrStr);
+    CPPUNIT_ASSERT_MESSAGE("error message should be non-dynamic", aErrStr == "Non-dynamic error");
+
+    CPPUNIT_ASSERT_MESSAGE("GetErrorString(ERRCODE_NONE, aErrStr) should return false",
+                           ErrorHandler::GetErrorString(ERRCODE_NONE, aErrStr) == false);
+    aErrHdlr.CreateString(ErrorInfo::GetErrorInfo(ERRCODE_NONE), aErrStr);
+    CPPUNIT_ASSERT_MESSAGE("error message should be non-dynamic", aErrStr == "Non-dynamic error");
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(ErrorHandlerTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */