UnitTests: Refactor printing

Move standard printing functions to extra header.

Change-Id: Ib032047235297dfe3ac0bcdbd39c353493f3ae0d
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

tests/unit/unittest/CMakeLists.txt

@@ -62,6 +62,7 @@ add_qtc_test(unittest GTEST
     gtest-creator-printing.cpp gtest-creator-printing.h
     gtest-llvm-printing.h
     gtest-qt-printing.cpp gtest-qt-printing.h
+    gtest-std-printing.h
     headerpathfilter-test.cpp
     highlightingresultreporter-test.cpp
     lineprefixer-test.cpp

tests/unit/unittest/googletest.h

@@ -38,9 +38,10 @@
 #include "compare-operators.h"
 
 #include "conditionally-disabled-tests.h"
-#include "gtest-qt-printing.h"
 #include "gtest-creator-printing.h"
 #include "gtest-llvm-printing.h"
+#include "gtest-qt-printing.h"
+#include "gtest-std-printing.h"
 #ifdef CLANG_UNIT_TESTS
 #  include "gtest-clang-printing.h"
 #endif

tests/unit/unittest/gtest-clang-printing.cpp

@@ -24,6 +24,7 @@
 ****************************************************************************/
 
 #include "gtest-creator-printing.h"
+#include "gtest-std-printing.h"
 
 #ifdef CLANG_UNIT_TESTS
 #include <clang/Basic/SourceLocation.h>

tests/unit/unittest/gtest-creator-printing.cpp

@@ -24,6 +24,7 @@
 ****************************************************************************/
 
 #include "gtest-creator-printing.h"
+#include "gtest-std-printing.h"
 
 #include "gtest-qt-printing.h"
 

tests/unit/unittest/gtest-creator-printing.h

@@ -350,24 +350,4 @@ std::ostream &operator<<(std::ostream &out, const Diagnostic &diag);
 } // namespace Internal
 } // namespace CppTools
 
-namespace std {
-template<typename T>
-ostream &operator<<(ostream &out, const vector<T> &vector)
-{
-    out << "[";
-
-    for (auto current = vector.begin(); current != vector.end(); ++current) {
-        out << *current;
-
-        if (std::next(current) != vector.end())
-            out << ", ";
-    }
-
-    out << "]";
-
-    return out;
-}
-
-} // namespace std
-
 void setFilePathCache(ClangBackEnd::FilePathCaching *filePathCache);

tests/unit/unittest/gtest-llvm-printing.cpp

@@ -23,6 +23,9 @@
 **
 ****************************************************************************/
 
+#include "gtest-llvm-printing.h"
+#include "gtest-std-printing.h"
+
 #include <gtest/gtest-printers.h>
 
 #include <utils/smallstringio.h>

tests/unit/unittest/gtest-std-printing.h

@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <ostream>
+#include <vector>
+
+namespace std {
+template<typename T>
+ostream &operator<<(ostream &out, const vector<T> &vector)
+{
+    out << "[";
+
+    for (auto current = vector.begin(); current != vector.end(); ++current) {
+        out << *current;
+
+        if (std::next(current) != vector.end())
+            out << ", ";
+    }
+
+    out << "]";
+
+    return out;
+}
+
+} // namespace std

tests/unit/unittest/unittest.pro

@@ -230,6 +230,7 @@ HEADERS += \
     gtest-creator-printing.h \
     gtest-llvm-printing.h \
     gtest-qt-printing.h \
+    gtest-std-printing.h \
     mimedatabase-utilities.h \
     mockclangcodemodelclient.h \
     mockclangcodemodelserver.h \