C++: add test-case for member access replacement in completion.

Change-Id: Id5fe00b94a6622178db9bd26f54d29efe88970f7
Reviewed-by: Przemyslaw Gorszkowski <pgorszkowski@gmail.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/cpptools/cppcompletion_test.cpp

@@ -72,7 +72,7 @@ struct TestCase
     QTextDocument *doc;
 };
 
-static QStringList getCompletions(TestCase &data)
+static QStringList getCompletions(TestCase &data, bool *replaceAccessOperator = 0)
 {
     QStringList completions;
 
@@ -86,13 +86,16 @@ static QStringList getCompletions(TestCase &data)
     IAssistProposalModel *model = proposal->model();
     if (!model)
         return completions;
-    BasicProposalItemListModel *listmodel = dynamic_cast<BasicProposalItemListModel *>(model);
+    CppAssistProposalModel *listmodel = dynamic_cast<CppAssistProposalModel *>(model);
     if (!listmodel)
         return completions;
 
     for (int i = 0; i < listmodel->size(); ++i)
         completions << listmodel->text(i);
 
+    if (replaceAccessOperator)
+        *replaceAccessOperator = listmodel->m_replaceDotForArrow;
+
     return completions;
 }
 
@@ -1288,3 +1291,30 @@ void CppToolsPlugin::test_completion_instantiate_nested_of_nested_class_when_enc
     QVERIFY(completions.contains(QLatin1String("Foo")));
     QVERIFY(completions.contains(QLatin1String("foo_i")));
 }
+
+void CppToolsPlugin::test_completion_member_access_operator_1()
+{
+    TestCase data;
+    data.srcText = "\n"
+            "struct S { void t(); };\n"
+            "void f() { S *s;\n"
+            "@\n"
+            "}\n"
+            ;
+    setup(&data);
+
+    Utils::ChangeSet change;
+    QString txt = QLatin1String("s.");
+    change.insert(data.pos, txt);
+    QTextCursor cursor(data.doc);
+    change.apply(&cursor);
+    data.pos += txt.length();
+
+    bool replaceAccessOperator = false;
+    QStringList completions = getCompletions(data, &replaceAccessOperator);
+
+    QCOMPARE(completions.size(), 2);
+    QVERIFY(completions.contains(QLatin1String("S")));
+    QVERIFY(completions.contains(QLatin1String("t")));
+    QVERIFY(replaceAccessOperator);
+}

src/plugins/cpptools/cppcompletionassist.cpp

@@ -58,7 +58,6 @@
 #include <coreplugin/mimedatabase.h>
 #include <cppeditor/cppeditorconstants.h>
 #include <texteditor/codeassist/basicproposalitem.h>
-#include <texteditor/codeassist/basicproposalitemlistmodel.h>
 #include <texteditor/codeassist/genericproposal.h>
 #include <texteditor/codeassist/ifunctionhintproposalmodel.h>
 #include <texteditor/codeassist/functionhintproposal.h>
@@ -91,29 +90,6 @@ struct CompleteFunctionDeclaration
     Function *function;
 };
 
-// ----------------------
-// CppAssistProposalModel
-// ----------------------
-class CppAssistProposalModel : public TextEditor::BasicProposalItemListModel
-{
-public:
-    CppAssistProposalModel()
-        : TextEditor::BasicProposalItemListModel()
-        , m_completionOperator(T_EOF_SYMBOL)
-        , m_replaceDotForArrow(false)
-        , m_typeOfExpression(new TypeOfExpression)
-    {
-        m_typeOfExpression->setExpandTemplates(true);
-    }
-
-    virtual bool isSortable(const QString &prefix) const;
-    virtual IAssistProposalItem *proposalItem(int index) const;
-
-    unsigned m_completionOperator;
-    bool m_replaceDotForArrow;
-    QSharedPointer<TypeOfExpression> m_typeOfExpression;
-};
-
 // ---------------------
 // CppAssistProposalItem
 // ---------------------

src/plugins/cpptools/cppcompletionassist.h

@@ -41,10 +41,12 @@
 #  include <cplusplus/Symbol.h>
 #endif
 
+#include <texteditor/codeassist/basicproposalitemlistmodel.h>
 #include <texteditor/codeassist/completionassistprovider.h>
 #include <texteditor/codeassist/iassistprocessor.h>
 #include <texteditor/snippets/snippetassistcollector.h>
 #include <texteditor/codeassist/defaultassistinterface.h>
+#include <texteditor/codeassist/basicproposalitem.h>
 
 #include <QStringList>
 #include <QVariant>
@@ -64,7 +66,26 @@ namespace CppTools {
 namespace Internal {
 
 class CppCompletionAssistInterface;
-class CppAssistProposalModel;
+
+class CppAssistProposalModel : public TextEditor::BasicProposalItemListModel
+{
+public:
+    CppAssistProposalModel()
+        : TextEditor::BasicProposalItemListModel()
+        , m_completionOperator(CPlusPlus::T_EOF_SYMBOL)
+        , m_replaceDotForArrow(false)
+        , m_typeOfExpression(new CPlusPlus::TypeOfExpression)
+    {
+        m_typeOfExpression->setExpandTemplates(true);
+    }
+
+    virtual bool isSortable(const QString &prefix) const;
+    virtual TextEditor::IAssistProposalItem *proposalItem(int index) const;
+
+    unsigned m_completionOperator;
+    bool m_replaceDotForArrow;
+    QSharedPointer<CPlusPlus::TypeOfExpression> m_typeOfExpression;
+};
 
 class InternalCompletionAssistProvider : public CppCompletionAssistProvider
 {

src/plugins/cpptools/cpptoolsplugin.h

@@ -112,6 +112,7 @@ private slots:
     void test_completion_enclosing_template_class_data();
     void test_completion_instantiate_nested_class_when_enclosing_is_template();
     void test_completion_instantiate_nested_of_nested_class_when_enclosing_is_template();
+    void test_completion_member_access_operator_1();
 
     void test_format_pointerdeclaration_in_simpledeclarations();
     void test_format_pointerdeclaration_in_simpledeclarations_data();