Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/comphelper/qa/unit/variadictemplates.cxx b/comphelper/qa/unit/variadictemplates.cxx
new file mode 100644
index 000000000..6b62204f4
--- /dev/null
+++ b/comphelper/qa/unit/variadictemplates.cxx
@@ -0,0 +1,179 @@
+/* -*- 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 <optional>
+#include <sal/types.h>
+#include <comphelper/unwrapargs.hxx>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <sstream>
+
+class VariadicTemplatesTest : public CppUnit::TestFixture
+{
+public:
+    void testUnwrapArgs();
+
+    CPPUNIT_TEST_SUITE(VariadicTemplatesTest);
+    CPPUNIT_TEST(testUnwrapArgs);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+namespace {
+
+namespace detail {
+
+template <typename T>
+void extract(
+    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any> const& seq,
+    sal_Int32 nArg, T & v,
+    ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>
+    const& xErrorContext )
+{
+    if (nArg >= seq.getLength()) {
+        throw ::com::sun::star::lang::IllegalArgumentException(
+            "No such argument available!",
+            xErrorContext, static_cast<sal_Int16>(nArg) );
+    }
+    if (! fromAny(seq[nArg], &v)) {
+        throw ::com::sun::star::lang::IllegalArgumentException(
+            "Cannot extract ANY { "
+            + seq[nArg].getValueType().getTypeName()
+            + " } to " + ::cppu::UnoType<T>::get().getTypeName(),
+            xErrorContext,
+            static_cast<sal_Int16>(nArg) );
+    }
+}
+
+template <typename T>
+void extract(
+    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any> const& seq,
+    sal_Int32 nArg, ::std::optional<T> & v,
+    ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>
+    const& xErrorContext )
+{
+    if (nArg < seq.getLength()) {
+        T t;
+        extract( seq, nArg, t, xErrorContext );
+        v = t;
+    }
+}
+
+} // namespace detail
+
+template < typename T0, typename T1, typename T2, typename T3, typename T4 >
+void unwrapArgsBaseline(
+    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > const& seq,
+    T0& v0, T1& v1, T2& v2, T3& v3, T4& v4,
+    ::com::sun::star::uno::Reference<
+    ::com::sun::star::uno::XInterface> const& xErrorContext =
+    ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>() )
+{
+    ::detail::extract( seq, 0, v0, xErrorContext );
+    ::detail::extract( seq, 1, v1, xErrorContext );
+    ::detail::extract( seq, 2, v2, xErrorContext );
+    ::detail::extract( seq, 3, v3, xErrorContext );
+    ::detail::extract( seq, 4, v4, xErrorContext );
+}
+
+}
+
+void VariadicTemplatesTest::testUnwrapArgs() {
+    OUString tmp1   = "Test1";
+    sal_Int32 tmp2  = 42;
+    sal_uInt32 tmp3 = 42;
+    ::com::sun::star::uno::Any tmp6(
+        tmp1
+        );
+    ::com::sun::star::uno::Any tmp7(
+        tmp2
+        );
+    ::com::sun::star::uno::Any tmp8(
+        tmp3
+        );
+    ::com::sun::star::uno::Any tmp9(
+        OUString("Test2")
+        );
+    ::std::optional< ::com::sun::star::uno::Any > tmp10(
+        OUString("Test3")
+        );
+    ::std::optional< ::com::sun::star::uno::Any > tmp11(
+        tmp1
+        );
+
+    // test equality with the baseline and template specialization with
+    // std::optional< T >
+    try {
+        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq1(
+            static_cast< sal_uInt32 >( 5 ) );
+        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq2(
+            static_cast< sal_uInt32 >( 5 ) );
+
+        // tmp11 should be ignored as it is ::std::optional< T >
+        ::comphelper::unwrapArgs( seq1, tmp6, tmp7, tmp8, tmp9, tmp10, tmp11 );
+        unwrapArgsBaseline( seq2, tmp6, tmp7, tmp8, tmp9, tmp10 );
+        ::com::sun::star::uno::Any* p1 = seq1.getArray();
+        ::com::sun::star::uno::Any* p2 = seq2.getArray();
+
+        for( sal_Int32 i = 0; i < seq1.getLength() && i < seq2.getLength(); ++i ) {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE( "seq1 and seq2 are equal",
+                                    p1[i], p2[i] );
+        }
+        CPPUNIT_ASSERT_MESSAGE( "seq1 and seq2 are equal",
+                                bool(seq1 == seq2) );
+    }
+    catch( ::com::sun::star::lang::IllegalArgumentException& err ) {
+        std::stringstream ss;
+        ss << "IllegalArgumentException when unwrapping arguments at: " <<
+            err.ArgumentPosition;
+        CPPUNIT_FAIL( ss.str() );
+    }
+
+    // test argument counting
+    try {
+        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
+            static_cast< sal_uInt32 >( 4 ) );
+        ::comphelper::unwrapArgs( seq, tmp6, tmp7, tmp10, tmp11, tmp10, tmp6 );
+    }
+    catch( ::com::sun::star::lang::IllegalArgumentException& err ) {
+        CPPUNIT_ASSERT_EQUAL( static_cast< short >( 5 ), err.ArgumentPosition );
+    }
+
+    OUString test1( "Test2" );
+    OUString test2( "Test2" );
+    OUString test3( "Test3" );
+    OUString test4( "Test4" );
+    OUString test5( "Test5" );
+
+    try {
+        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
+            static_cast< sal_uInt32 >( 4 ) );
+        ::comphelper::unwrapArgs( seq, test1, test2, test3, test4, test5 );
+    }
+    catch( ::com::sun::star::lang::IllegalArgumentException& err1 ) {
+        try {
+            ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
+                static_cast< sal_uInt32 >( 4 ) );
+            unwrapArgsBaseline( seq, test1, test2, test3, test4, test5 );
+            CPPUNIT_FAIL( "unwrapArgs failed while the baseline did not throw" );
+        }
+        catch( ::com::sun::star::lang::IllegalArgumentException& err2 ) {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE( "err1.ArgumentPosition == err2.ArgumentPosition",
+                                    err1.ArgumentPosition, err2.ArgumentPosition );
+        }
+    }
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(VariadicTemplatesTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */