starmath: Fix missing call of AnnotationSelection() for SmCursor::Copy

... with unit tests of Copy/Cut/Paste.

Change-Id: I74dd6f235b52ef2c1388ea0d15d32af0fb30b2c8
Reviewed-on: https://gerrit.libreoffice.org/25362
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Takeshi Abe <tabe@fixedpoint.jp>

3 files changed, 175 insertions, 0 deletions

diff --git a/starmath/CppunitTest_starmath_qa_cppunit.mk b/starmath/CppunitTest_starmath_qa_cppunit.mk
index 2130a228c128..efaa7b39aeff 100644
--- a/starmath/CppunitTest_starmath_qa_cppunit.mk
+++ b/starmath/CppunitTest_starmath_qa_cppunit.mk
@@ -53,6 +53,7 @@ $(eval $(call gb_CppunitTest_use_libraries,starmath_qa_cppunit,\
 ))
 
 $(eval $(call gb_CppunitTest_add_exception_objects,starmath_qa_cppunit,\
+    starmath/qa/cppunit/test_cursor \
     starmath/qa/cppunit/test_nodetotextvisitors \
     starmath/qa/cppunit/test_starmath \
 ))
diff --git a/starmath/qa/cppunit/test_cursor.cxx b/starmath/qa/cppunit/test_cursor.cxx
new file mode 100644
index 000000000000..51e555f777fd
--- /dev/null
+++ b/starmath/qa/cppunit/test_cursor.cxx
@@ -0,0 +1,172 @@
+/* -*- 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 <sal/config.h>
+#include <test/bootstrapfixture.hxx>
+
+#include <vcl/svapp.hxx>
+#include <sfx2/sfxmodelfactory.hxx>
+#include <smdll.hxx>
+
+#include <document.hxx>
+#include <node.hxx>
+#include <cursor.hxx>
+
+#include <memory>
+
+typedef tools::SvRef<SmDocShell> SmDocShellRef;
+
+using namespace ::com::sun::star;
+
+namespace {
+
+class Test : public test::BootstrapFixture {
+
+public:
+    // init
+    virtual void setUp() override;
+    virtual void tearDown() override;
+
+    // tests
+    void testCopyPaste();
+    void testCopySelectPaste();
+    void testCutPaste();
+    void testCutSelectPaste();
+
+    CPPUNIT_TEST_SUITE(Test);
+    CPPUNIT_TEST(testCopyPaste);
+    CPPUNIT_TEST(testCopySelectPaste);
+    CPPUNIT_TEST(testCutPaste);
+    CPPUNIT_TEST(testCutSelectPaste);
+    CPPUNIT_TEST_SUITE_END();
+
+private:
+    SmDocShellRef xDocShRef;
+};
+
+void Test::setUp()
+{
+    BootstrapFixture::setUp();
+
+    SmGlobals::ensure();
+
+    xDocShRef = new SmDocShell(SfxModelFlags::EMBEDDED_OBJECT);
+}
+
+void Test::tearDown()
+{
+    xDocShRef.Clear();
+    BootstrapFixture::tearDown();
+}
+
+void Test::testCopyPaste()
+{
+    OUString sInput("a * b + c");
+    std::unique_ptr<SmNode> xTree(SmParser().Parse(sInput));
+    xTree->Prepare(xDocShRef->GetFormat(), *xDocShRef);
+
+    SmCursor aCursor(xTree.get(), xDocShRef);
+    ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
+
+    // go to the position at "*"
+    aCursor.Move(pOutputDevice, MoveRight);
+    // select "* b" and then copy
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Copy();
+    // go to the right end and then paste
+    aCursor.Move(pOutputDevice, MoveRight);
+    aCursor.Move(pOutputDevice, MoveRight);
+    aCursor.Paste();
+
+    CPPUNIT_ASSERT_EQUAL(OUString(" { a * b + c * b } "), xDocShRef->GetText());
+}
+
+void Test::testCopySelectPaste()
+{
+    OUString sInput("a * b + c");
+    std::unique_ptr<SmNode> xTree(SmParser().Parse(sInput));
+    xTree->Prepare(xDocShRef->GetFormat(), *xDocShRef);
+
+    SmCursor aCursor(xTree.get(), xDocShRef);
+    ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
+
+    // go to the right end
+    for (int i=0;i<5;i++)
+        aCursor.Move(pOutputDevice, MoveRight);
+    // select "b + c" and then copy
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Copy();
+    // go to the left end
+    aCursor.Move(pOutputDevice, MoveLeft);
+    aCursor.Move(pOutputDevice, MoveLeft);
+    // select "a" and then paste
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Paste();
+
+    CPPUNIT_ASSERT_EQUAL(OUString(" { b + c * b + c } "), xDocShRef->GetText());
+}
+
+void Test::testCutPaste()
+{
+    OUString sInput("a * b + c");
+    std::unique_ptr<SmNode> xTree(SmParser().Parse(sInput));
+    xTree->Prepare(xDocShRef->GetFormat(), *xDocShRef);
+
+    SmCursor aCursor(xTree.get(), xDocShRef);
+    ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
+
+    // go to the position at "*"
+    aCursor.Move(pOutputDevice, MoveRight);
+    // select "* b" and then cut
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Cut();
+    // go to the left end and then paste
+    aCursor.Move(pOutputDevice, MoveRight);
+    aCursor.Move(pOutputDevice, MoveRight);
+    aCursor.Paste();
+
+    CPPUNIT_ASSERT_EQUAL(OUString(" { a + c * b } "), xDocShRef->GetText());
+}
+
+void Test::testCutSelectPaste()
+{
+    OUString sInput("a * b + c");
+    std::unique_ptr<SmNode> xTree(SmParser().Parse(sInput));
+    xTree->Prepare(xDocShRef->GetFormat(), *xDocShRef);
+
+    SmCursor aCursor(xTree.get(), xDocShRef);
+    ScopedVclPtrInstance<VirtualDevice> pOutputDevice;
+
+    // go to the right end
+    for (int i=0;i<5;i++)
+        aCursor.Move(pOutputDevice, MoveRight);
+    // select "b + c" and then cut
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Move(pOutputDevice, MoveLeft, false);
+    aCursor.Cut();
+    // go to the left end
+    aCursor.Move(pOutputDevice, MoveLeft);
+    aCursor.Move(pOutputDevice, MoveLeft);
+    // select "a" and then paste
+    aCursor.Move(pOutputDevice, MoveRight, false);
+    aCursor.Paste();
+
+    CPPUNIT_ASSERT_EQUAL(OUString(" { b + c * } "), xDocShRef->GetText());
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(Test);
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/cursor.cxx b/starmath/source/cursor.cxx
index 262d2bd85062..b70b8edd0791 100644
--- a/starmath/source/cursor.cxx
+++ b/starmath/source/cursor.cxx
@@ -1160,10 +1160,12 @@ void SmCursor::Copy(){
     if(!HasSelection())
         return;
 
+    AnnotateSelection();
     //Find selected node
     SmNode* pSNode = FindSelectedNode(mpTree);
     //Find visual line
     SmNode* pLine = FindTopMostNodeInLine(pSNode, true);
+    assert(pLine);
 
     //Clone selected nodes
     SmNodeList* pList;