From 1881898e677920a869f888a2c1c5e8057a1b6ee4 Mon Sep 17 00:00:00 2001
From: Alexander Mai <amai@users.sf.net>
Date: Fri, 19 Oct 2012 20:04:43 +0200
Subject: [PATCH] Added unit test for #4290

---
 test/testclass.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/testclass.cpp b/test/testclass.cpp
index 7d0f3afd7..f51b57d3d 100644
--- a/test/testclass.cpp
+++ b/test/testclass.cpp
@@ -161,6 +161,8 @@ private:
 
         TEST_CASE(initializerListOrder);
         TEST_CASE(initializerListUsage);
+
+        TEST_CASE(forwardDeclaration); // ticket #4290/#3190
     }
 
     void checkCopyConstructor(const char code[]) {
@@ -5398,6 +5400,22 @@ private:
                                      "};");
         ASSERT_EQUALS("[test.cpp:3]: (performance) Variable 'a' is assigned in constructor body. Consider performing initialization in initialization list.\n", errout.str());
     }
+
+    // ticket #4290 "False Positive: style (noConstructor): The class 'foo' does not have a constructor."
+    // ticket #3190 "SymbolDatabase: Parse of sub class constructor fails"
+    void forwardDeclaration() {
+        checkConst("class foo;\n"
+                   "int bar;\n");
+        ASSERT_EQUALS("", errout.str());
+
+        checkConst("class foo;\n"
+                   "class foo;\n");
+        ASSERT_EQUALS("", errout.str());
+
+        checkConst("class foo{};\n"
+                   "class foo;\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestClass)