Tests for bug 249177: ExtractFunction specifies void for constant types

https://bugs.eclipse.org/bugs/show_bug.cgi?id=249177 Patch by Tom Ball

core/org.eclipse.cdt.ui.tests/resources/refactoring/ExtractExpression.rts

@@ -686,3 +686,261 @@ void Test::test()
     bool b = invalid();
 }
 
+//!Extract string constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=greeting
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    wchar_t greeting();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    char* hi = /*$*/"hello"/*$$*/;
+}
+
+//=
+#include "test.h"
+
+wchar_t Test::greeting()
+{
+    return "hello";
+}
+
+void Test::test()
+{
+    char* hi = greeting();
+}
+
+//!Extract int constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=size
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    int size();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    int i = /*$*/42/*$$*/;
+}
+
+//=
+#include "test.h"
+
+int Test::size()
+{
+    return 42;
+}
+
+void Test::test()
+{
+    int i = size();
+}
+
+//!Extract float constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=certainty
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    float certainty();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    float f = /*$*/0.42/*$$*/;
+}
+
+//=
+#include "test.h"
+
+float Test::certainty()
+{
+    return 0.42;
+}
+
+void Test::test()
+{
+    float f = certainty();
+}
+
+//!Extract char constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=newline
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    char newline();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    char nl = /*$*/'\n'/*$$*/;
+}
+
+//=
+#include "test.h"
+
+char Test::newline()
+{
+    return '\n';
+}
+
+void Test::test()
+{
+    char nl = newline();
+}
+
+//!Extract boolean true constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=valid
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    bool valid();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    bool b = /*$*/true/*$$*/;
+}
+
+//=
+#include "test.h"
+
+bool Test::valid()
+{
+    return true;
+}
+
+void Test::test()
+{
+    bool b = valid();
+}
+
+//!Extract boolean false constant
+//#org.eclipse.cdt.ui.tests.refactoring.extractfunction.ExtractFunctionRefactoringTest
+
+//@.config
+filename=test.cpp
+methodname=invalid
+
+//@test.h
+class Test
+{
+  void test();
+};
+
+
+//=
+class Test
+{
+  void test();
+    bool invalid();
+};
+
+
+//@test.cpp
+#include "test.h"
+
+void Test::test()
+{
+    bool b = /*$*/false/*$$*/;
+}
+
+//=
+#include "test.h"
+
+bool Test::invalid()
+{
+    return false;
+}
+
+void Test::test()
+{
+    bool b = invalid();
+}
+