C++: Add tests for MatchingText::contextAllowsAutoParentheses

Change-Id: I4c2bdf55112f473770db1515bd412215685bfe04
Reviewed-by: David Schulz <david.schulz@qt.io>

tests/unit/unittest/matchingtext-test.cpp

+/****************************************************************************
+**
+** Copyright (C) 2017 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "googletest.h"
+
+#include <cplusplus/MatchingText.h>
+
+#include <QTextDocument>
+#include <QTextCursor>
+
+#include <memory>
+
+#include <utils/qtcassert.h>
+
+namespace {
+
+class Document {
+public:
+    Document(const QString &documentText, char marker = '@')
+    {
+        QString text = documentText;
+        const int markerIndex = documentText.indexOf(marker);
+        if (markerIndex == -1)
+            return;
+
+        text.replace(markerIndex, 1, "");
+
+        document.reset(new QTextDocument(text));
+        cursor = QTextCursor(document.get());
+        cursor.setPosition(markerIndex);
+    }
+
+    std::unique_ptr<QTextDocument> document;
+    QTextCursor cursor;
+};
+
+using MT = CPlusPlus::MatchingText;
+class MatchingText : public testing::Test {};
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_ForNoInput)
+{
+    const Document document("@");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, ""));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_NotInEmptyLine)
+{
+    const Document document("@");
+
+    ASSERT_FALSE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_Initializer)
+{
+    const Document document("Type object@");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_AfterFunctionDeclaratorSameLine)
+{
+    const Document document("void g() @");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+// TODO: Fix!
+//TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_AfterFunctionDeclaratorNewLine)
+//{
+//    const Document document("void g()\n"
+//                            "@");
+
+//    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+//}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_AfterLambdaDeclarator)
+{
+    const Document document("[]() @");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+// TODO: This does not seem useful, remove.
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeOpeningCurlyBrace)
+{
+    const Document document("@{");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeClosingCurlyBrace)
+{
+    const Document document("@}");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeClosingBracket)
+{
+    const Document document("@]");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeClosingParen)
+{
+    const Document document("@)");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeSemicolon)
+{
+    const Document document("@;");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_BeforeComma)
+{
+    const Document document("@,");
+
+    ASSERT_TRUE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_NotInCppComment)
+{
+    const Document document("// @");
+
+    ASSERT_FALSE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_NotInCppDoxygenComment)
+{
+    const Document document("//! @");
+
+    ASSERT_FALSE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+}
+
+// TODO: Fix!
+//TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_NotBeforeIndented)
+//{
+//    const Document document("if (true) @\n"
+//                            "    1+1;");
+
+//    ASSERT_FALSE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+//}
+
+// TODO: Fix!
+//TEST_F(MatchingText, ContextAllowsAutoParentheses_CurlyBrace_NotBeforeNamespace)
+//{
+//    const Document document("namespace X @");
+
+//    ASSERT_FALSE(MT::contextAllowsAutoParentheses(document.cursor, "{"));
+//}
+
+} // anonymous

tests/unit/unittest/unittest.pro

@@ -66,7 +66,8 @@ SOURCES += \
     filepath-test.cpp \
     sourcerangefilter-test.cpp \
     clangqueryexamplehighlightmarker-test.cpp \
-    clangqueryhighlightmarker-test.cpp
+    clangqueryhighlightmarker-test.cpp \
+    matchingtext-test.cpp
 
 !isEmpty(LIBCLANG_LIBS) {
 SOURCES += \